[INFO] fetching crate icbiadb 0.3.7...
[INFO] testing icbiadb-0.3.7 against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate icbiadb 0.3.7 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate icbiadb 0.3.7
[INFO] finished tweaking crates.io crate icbiadb 0.3.7
[INFO] tweaked toml for crates.io crate icbiadb 0.3.7 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate icbiadb 0.3.7 on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate icbiadb 0.3.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hermit-abi v0.1.18
[INFO] [stderr]   Downloaded memchr v2.4.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.27
[INFO] [stderr]   Downloaded serde_derive v1.0.126
[INFO] [stderr]   Downloaded serde v1.0.126
[INFO] [stderr]   Downloaded libc v0.2.97
[INFO] [stderr]   Downloaded syn v1.0.73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 333db0c1bbba34d36f89c17da5a482f85bc28fa55782e37c96b505a9d14add3b
[INFO] running `Command { std: "docker" "start" "-a" "333db0c1bbba34d36f89c17da5a482f85bc28fa55782e37c96b505a9d14add3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "333db0c1bbba34d36f89c17da5a482f85bc28fa55782e37c96b505a9d14add3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "333db0c1bbba34d36f89c17da5a482f85bc28fa55782e37c96b505a9d14add3b", kill_on_drop: false }`
[INFO] [stdout] 333db0c1bbba34d36f89c17da5a482f85bc28fa55782e37c96b505a9d14add3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 458e5a6d47cc3bbea53f0e6b2d32de0d00401fa7bfb497095c2b30c325cd0bb6
[INFO] running `Command { std: "docker" "start" "-a" "458e5a6d47cc3bbea53f0e6b2d32de0d00401fa7bfb497095c2b30c325cd0bb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling icbiadb v0.3.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `ICBIA_STAMP` is never used
[INFO] [stdout]   --> src/byte_size.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub const ICBIA_STAMP: usize = 5;
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/database/kv/mod.rs:364:37
[INFO] [stdout]     |
[INFO] [stdout] 364 |     pub fn get_tuple<S: AsRef<str>>(&mut self, key: S) -> Option<BvTuple> {
[INFO] [stdout]     |                                     ^^^^^^^^^                    ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 364 |     pub fn get_tuple<S: AsRef<str>>(&mut self, key: S) -> Option<BvTuple<'_>> {
[INFO] [stdout]     |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/database/kv/mod.rs:373:35
[INFO] [stdout]     |
[INFO] [stdout] 373 |     pub fn get_str<S: AsRef<str>>(&mut self, key: S) -> BvStr {
[INFO] [stdout]     |                                   ^^^^^^^^^             ----- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                   |
[INFO] [stdout]     |                                   this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 373 |     pub fn get_str<S: AsRef<str>>(&mut self, key: S) -> BvStr<'_> {
[INFO] [stdout]     |                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/database/table/mod.rs:198:33
[INFO] [stdout]     |
[INFO] [stdout] 198 |     pub fn query<S: AsRef<str>>(&self, name: S) -> QueryBuilder {
[INFO] [stdout]     |                                 ^^^^^              ------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 198 |     pub fn query<S: AsRef<str>>(&self, name: S) -> QueryBuilder<'_> {
[INFO] [stdout]     |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/types/bv/bvstr.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn iter(&self) -> std::slice::Iter<u8> {
[INFO] [stdout]    |                 ^^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn iter(&self) -> std::slice::Iter<'_, u8> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/types/bv/bvstring.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn iter(&self) -> std::slice::Iter<u8> {
[INFO] [stdout]    |                 ^^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn iter(&self) -> std::slice::Iter<'_, u8> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/types/bv/byteslice.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn iter(&self) -> std::slice::Iter<u8> {
[INFO] [stdout]    |                 ^^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn iter(&self) -> std::slice::Iter<'_, u8> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/types/bv/bytevec.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn iter(&self) -> std::slice::Iter<u8> {
[INFO] [stdout]    |                 ^^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn iter(&self) -> std::slice::Iter<'_, u8> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 28.94s
[INFO] running `Command { std: "docker" "inspect" "458e5a6d47cc3bbea53f0e6b2d32de0d00401fa7bfb497095c2b30c325cd0bb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "458e5a6d47cc3bbea53f0e6b2d32de0d00401fa7bfb497095c2b30c325cd0bb6", kill_on_drop: false }`
[INFO] [stdout] 458e5a6d47cc3bbea53f0e6b2d32de0d00401fa7bfb497095c2b30c325cd0bb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c6482a34e4d39fb6fb10cf722a59a2130b956d83562f0a5cb1233da779542ae
[INFO] running `Command { std: "docker" "start" "-a" "0c6482a34e4d39fb6fb10cf722a59a2130b956d83562f0a5cb1233da779542ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stdout] warning: constant `ICBIA_STAMP` is never used
[INFO] [stdout]   --> src/byte_size.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub const ICBIA_STAMP: usize = 5;
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/database/kv/mod.rs:364:37
[INFO] [stdout]     |
[INFO] [stdout] 364 |     pub fn get_tuple<S: AsRef<str>>(&mut self, key: S) -> Option<BvTuple> {
[INFO] [stdout]     |                                     ^^^^^^^^^                    ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 364 |     pub fn get_tuple<S: AsRef<str>>(&mut self, key: S) -> Option<BvTuple<'_>> {
[INFO] [stdout]     |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/database/kv/mod.rs:373:35
[INFO] [stdout]     |
[INFO] [stdout] 373 |     pub fn get_str<S: AsRef<str>>(&mut self, key: S) -> BvStr {
[INFO] [stdout]     |                                   ^^^^^^^^^             ----- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                   |
[INFO] [stdout]     |                                   this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 373 |     pub fn get_str<S: AsRef<str>>(&mut self, key: S) -> BvStr<'_> {
[INFO] [stdout]     |                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/database/table/mod.rs:198:33
[INFO] [stdout]     |
[INFO] [stdout] 198 |     pub fn query<S: AsRef<str>>(&self, name: S) -> QueryBuilder {
[INFO] [stdout]     |                                 ^^^^^              ------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 198 |     pub fn query<S: AsRef<str>>(&self, name: S) -> QueryBuilder<'_> {
[INFO] [stdout]     |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/types/bv/bvstr.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn iter(&self) -> std::slice::Iter<u8> {
[INFO] [stdout]    |                 ^^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn iter(&self) -> std::slice::Iter<'_, u8> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/types/bv/bvstring.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn iter(&self) -> std::slice::Iter<u8> {
[INFO] [stdout]    |                 ^^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn iter(&self) -> std::slice::Iter<'_, u8> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/types/bv/byteslice.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn iter(&self) -> std::slice::Iter<u8> {
[INFO] [stdout]    |                 ^^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn iter(&self) -> std::slice::Iter<'_, u8> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/types/bv/bytevec.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn iter(&self) -> std::slice::Iter<u8> {
[INFO] [stdout]    |                 ^^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn iter(&self) -> std::slice::Iter<'_, u8> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling icbiadb v0.3.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/declare.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     db.insert_row("articles", my_record);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let _ = db.insert_row("articles", my_record);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/declare.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     db.insert_many("articles", my_records);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let _ = db.insert_many("articles", my_records);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ICBIA_STAMP` is never used
[INFO] [stdout]   --> src/byte_size.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub const ICBIA_STAMP: usize = 5;
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/database/kv/mod.rs:364:37
[INFO] [stdout]     |
[INFO] [stdout] 364 |     pub fn get_tuple<S: AsRef<str>>(&mut self, key: S) -> Option<BvTuple> {
[INFO] [stdout]     |                                     ^^^^^^^^^                    ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 364 |     pub fn get_tuple<S: AsRef<str>>(&mut self, key: S) -> Option<BvTuple<'_>> {
[INFO] [stdout]     |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/database/kv/mod.rs:373:35
[INFO] [stdout]     |
[INFO] [stdout] 373 |     pub fn get_str<S: AsRef<str>>(&mut self, key: S) -> BvStr {
[INFO] [stdout]     |                                   ^^^^^^^^^             ----- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                   |
[INFO] [stdout]     |                                   this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 373 |     pub fn get_str<S: AsRef<str>>(&mut self, key: S) -> BvStr<'_> {
[INFO] [stdout]     |                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/database/table/mod.rs:198:33
[INFO] [stdout]     |
[INFO] [stdout] 198 |     pub fn query<S: AsRef<str>>(&self, name: S) -> QueryBuilder {
[INFO] [stdout]     |                                 ^^^^^              ------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 198 |     pub fn query<S: AsRef<str>>(&self, name: S) -> QueryBuilder<'_> {
[INFO] [stdout]     |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/types/bv/bvstr.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn iter(&self) -> std::slice::Iter<u8> {
[INFO] [stdout]    |                 ^^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn iter(&self) -> std::slice::Iter<'_, u8> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/types/bv/bvstring.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn iter(&self) -> std::slice::Iter<u8> {
[INFO] [stdout]    |                 ^^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn iter(&self) -> std::slice::Iter<'_, u8> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/types/bv/byteslice.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn iter(&self) -> std::slice::Iter<u8> {
[INFO] [stdout]    |                 ^^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn iter(&self) -> std::slice::Iter<'_, u8> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/types/bv/bytevec.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn iter(&self) -> std::slice::Iter<u8> {
[INFO] [stdout]    |                 ^^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn iter(&self) -> std::slice::Iter<'_, u8> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 26.60s
[INFO] running `Command { std: "docker" "inspect" "0c6482a34e4d39fb6fb10cf722a59a2130b956d83562f0a5cb1233da779542ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c6482a34e4d39fb6fb10cf722a59a2130b956d83562f0a5cb1233da779542ae", kill_on_drop: false }`
[INFO] [stdout] 0c6482a34e4d39fb6fb10cf722a59a2130b956d83562f0a5cb1233da779542ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 847f91b2784c8a57907c03a1aa31bf3248d0319fd49633ef3afdbff755f51f57
[INFO] running `Command { std: "docker" "start" "-a" "847f91b2784c8a57907c03a1aa31bf3248d0319fd49633ef3afdbff755f51f57", kill_on_drop: false }`
[INFO] [stderr] warning: constant `ICBIA_STAMP` is never used
[INFO] [stderr]   --> src/byte_size.rs:11:15
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub const ICBIA_STAMP: usize = 5;
[INFO] [stderr]    |               ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/database/kv/mod.rs:364:37
[INFO] [stderr]     |
[INFO] [stderr] 364 |     pub fn get_tuple<S: AsRef<str>>(&mut self, key: S) -> Option<BvTuple> {
[INFO] [stderr]     |                                     ^^^^^^^^^                    ------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                                     |
[INFO] [stderr]     |                                     this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 364 |     pub fn get_tuple<S: AsRef<str>>(&mut self, key: S) -> Option<BvTuple<'_>> {
[INFO] [stderr]     |                                                                         ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/database/kv/mod.rs:373:35
[INFO] [stderr]     |
[INFO] [stderr] 373 |     pub fn get_str<S: AsRef<str>>(&mut self, key: S) -> BvStr {
[INFO] [stderr]     |                                   ^^^^^^^^^             ----- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                                   |
[INFO] [stderr]     |                                   this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 373 |     pub fn get_str<S: AsRef<str>>(&mut self, key: S) -> BvStr<'_> {
[INFO] [stderr]     |                                                              ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/database/table/mod.rs:198:33
[INFO] [stderr]     |
[INFO] [stderr] 198 |     pub fn query<S: AsRef<str>>(&self, name: S) -> QueryBuilder {
[INFO] [stderr]     |                                 ^^^^^              ------------ the lifetime gets resolved as `'_`
[INFO] [stderr]     |                                 |
[INFO] [stderr]     |                                 this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 198 |     pub fn query<S: AsRef<str>>(&self, name: S) -> QueryBuilder<'_> {
[INFO] [stderr]     |                                                                ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/types/bv/bvstr.rs:45:17
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn iter(&self) -> std::slice::Iter<u8> {
[INFO] [stderr]    |                 ^^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn iter(&self) -> std::slice::Iter<'_, u8> {
[INFO] [stderr]    |                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/types/bv/bvstring.rs:41:17
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn iter(&self) -> std::slice::Iter<u8> {
[INFO] [stderr]    |                 ^^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn iter(&self) -> std::slice::Iter<'_, u8> {
[INFO] [stderr]    |                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/types/bv/byteslice.rs:32:17
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn iter(&self) -> std::slice::Iter<u8> {
[INFO] [stderr]    |                 ^^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn iter(&self) -> std::slice::Iter<'_, u8> {
[INFO] [stderr]    |                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/types/bv/bytevec.rs:41:17
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn iter(&self) -> std::slice::Iter<u8> {
[INFO] [stderr]    |                 ^^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn iter(&self) -> std::slice::Iter<'_, u8> {
[INFO] [stderr]    |                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: `icbiadb` (lib) generated 8 warnings
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> examples/declare.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     db.insert_row("articles", my_record);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let _ = db.insert_row("articles", my_record);
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> examples/declare.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     db.insert_many("articles", my_records);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let _ = db.insert_many("articles", my_records);
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `icbiadb` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr] warning: `icbiadb` (example "declare") generated 2 warnings
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/icbiadb-7f9b0e6637293023)
[INFO] [stderr]    Doc-tests icbiadb
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 9) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 20) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 9) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' panicked at src/lib.rs:7:60:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x62d579d56082 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x62d579d56082 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x62d579d56082 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x62d579d56082 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x62d579d72313 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x62d579d72313 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x62d579d53c83 - std::io::default_write_fmt::h1470b6bb31d733fd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x62d579d53c83 - std::io::Write::write_fmt::hd8146ab3991543d1
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x62d579d55ed2 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x62d579d56f46 - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x62d579d56d49 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:327:9
[INFO] [stdout]   11:     0x62d579d57812 - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:833:13
[INFO] [stdout]   12:     0x62d579d576aa - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:706:13
[INFO] [stdout]   13:     0x62d579d56579 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   14:     0x62d579d5733d - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stdout]   15:     0x62d579d71520 - core::panicking::panic_fmt::hd890aeb12c3a3fc3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14
[INFO] [stdout]   16:     0x62d579d718c6 - core::result::unwrap_failed::h31c9775ec1a50121
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/result.rs:1761:5
[INFO] [stdout]   17:     0x62d579d2e567 - rust_out::main::_doctest_main_src_lib_rs_9_0::he45918a2827378ec
[INFO] [stdout]   18:     0x62d579d2e4e6 - rust_out::main::h707a703e23e8b691
[INFO] [stdout]   19:     0x62d579d264e3 - core::ops::function::FnOnce::call_once::hacedfcda517d60ac
[INFO] [stdout]   20:     0x62d579d25f26 - std::sys::backtrace::__rust_begin_short_backtrace::h4237a9aceaf0c727
[INFO] [stdout]   21:     0x62d579d25be9 - std::rt::lang_start::{{closure}}::hd68394c0f7c71761
[INFO] [stdout]   22:     0x62d579d515b0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h106557a9d245eb10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:284:21
[INFO] [stdout]   23:     0x62d579d515b0 - std::panicking::catch_unwind::do_call::h18100d9574045a86
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   24:     0x62d579d515b0 - std::panicking::catch_unwind::hf9f86a2471d520c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   25:     0x62d579d515b0 - std::panic::catch_unwind::h410688ae8e8348a9
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x62d579d515b0 - std::rt::lang_start_internal::{{closure}}::h42fee7344f1a80c6
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x62d579d515b0 - std::panicking::catch_unwind::do_call::h62b4ab9c433ebcfb
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   28:     0x62d579d515b0 - std::panicking::catch_unwind::h61ceb8228d4a4310
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   29:     0x62d579d515b0 - std::panic::catch_unwind::hf4a60a68b20bb306
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x62d579d515b0 - std::rt::lang_start_internal::h3478bd2aa4cc9cb2
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x62d579d25bd1 - std::rt::lang_start::h323b15ce03982075
[INFO] [stdout]   32:     0x62d579d2e675 - main
[INFO] [stdout]   33:     0x7c237ae711ca - <unknown>
[INFO] [stdout]   34:     0x7c237ae7128b - __libc_start_main
[INFO] [stdout]   35:     0x62d579d24265 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 20) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' panicked at src/lib.rs:7:54:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x61de84fb9bc2 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x61de84fb9bc2 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x61de84fb9bc2 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x61de84fb9bc2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x61de84fd6283 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x61de84fd6283 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x61de84fb77c3 - std::io::default_write_fmt::h1470b6bb31d733fd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x61de84fb77c3 - std::io::Write::write_fmt::hd8146ab3991543d1
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x61de84fb9a12 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x61de84fbaa86 - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x61de84fba889 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:327:9
[INFO] [stdout]   11:     0x61de84fbb352 - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:833:13
[INFO] [stdout]   12:     0x61de84fbb1ea - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:706:13
[INFO] [stdout]   13:     0x61de84fba0b9 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   14:     0x61de84fbae7d - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stdout]   15:     0x61de84fd5490 - core::panicking::panic_fmt::hd890aeb12c3a3fc3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14
[INFO] [stdout]   16:     0x61de84fd5836 - core::result::unwrap_failed::h31c9775ec1a50121
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/result.rs:1761:5
[INFO] [stdout]   17:     0x61de84f83c41 - rust_out::main::_doctest_main_src_lib_rs_20_0::h7bf3593b01490338
[INFO] [stdout]   18:     0x61de84f83ba6 - rust_out::main::h707a703e23e8b691
[INFO] [stdout]   19:     0x61de84f74693 - core::ops::function::FnOnce::call_once::hacedfcda517d60ac
[INFO] [stdout]   20:     0x61de84f73ff6 - std::sys::backtrace::__rust_begin_short_backtrace::h4237a9aceaf0c727
[INFO] [stdout]   21:     0x61de84f73da9 - std::rt::lang_start::{{closure}}::hd68394c0f7c71761
[INFO] [stdout]   22:     0x61de84fb5150 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h106557a9d245eb10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:284:21
[INFO] [stdout]   23:     0x61de84fb5150 - std::panicking::catch_unwind::do_call::h18100d9574045a86
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   24:     0x61de84fb5150 - std::panicking::catch_unwind::hf9f86a2471d520c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   25:     0x61de84fb5150 - std::panic::catch_unwind::h410688ae8e8348a9
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x61de84fb5150 - std::rt::lang_start_internal::{{closure}}::h42fee7344f1a80c6
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x61de84fb5150 - std::panicking::catch_unwind::do_call::h62b4ab9c433ebcfb
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   28:     0x61de84fb5150 - std::panicking::catch_unwind::h61ceb8228d4a4310
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   29:     0x61de84fb5150 - std::panic::catch_unwind::hf4a60a68b20bb306
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x61de84fb5150 - std::rt::lang_start_internal::h3478bd2aa4cc9cb2
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x61de84f73d91 - std::rt::lang_start::h323b15ce03982075
[INFO] [stdout]   32:     0x61de84f84025 - main
[INFO] [stdout]   33:     0x7eb2f40911ca - <unknown>
[INFO] [stdout]   34:     0x7eb2f409128b - __libc_start_main
[INFO] [stdout]   35:     0x61de84f72fe5 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 20)
[INFO] [stdout]     src/lib.rs - (line 9)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.69s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "847f91b2784c8a57907c03a1aa31bf3248d0319fd49633ef3afdbff755f51f57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "847f91b2784c8a57907c03a1aa31bf3248d0319fd49633ef3afdbff755f51f57", kill_on_drop: false }`
[INFO] [stdout] 847f91b2784c8a57907c03a1aa31bf3248d0319fd49633ef3afdbff755f51f57
