[INFO] cloning repository https://github.com/Takashiidobe/db2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Takashiidobe/db2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTakashiidobe%2Fdb2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTakashiidobe%2Fdb2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3f1d267f37cbf6272259e3e87acc707c32a95acc
[INFO] checking Takashiidobe/db2 against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTakashiidobe%2Fdb2" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Takashiidobe/db2
[INFO] finished tweaking git repo https://github.com/Takashiidobe/db2
[INFO] tweaked toml for git repo https://github.com/Takashiidobe/db2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Takashiidobe/db2 on toolchain 66388cc165a6c4ac98c074dc9f0281ff23528c55
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Takashiidobe/db2 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" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d826700d572bbce114fe27c95349f7d6c9127ff8285b5bd786fcb4605492cebb
[INFO] running `Command { std: "docker" "start" "-a" "d826700d572bbce114fe27c95349f7d6c9127ff8285b5bd786fcb4605492cebb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d826700d572bbce114fe27c95349f7d6c9127ff8285b5bd786fcb4605492cebb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d826700d572bbce114fe27c95349f7d6c9127ff8285b5bd786fcb4605492cebb", kill_on_drop: false }`
[INFO] [stdout] d826700d572bbce114fe27c95349f7d6c9127ff8285b5bd786fcb4605492cebb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a30ff1a56b5cd6580da82ce21e41bdeca84a1bb1ceec48e671a5f6ff23fa133b
[INFO] running `Command { std: "docker" "start" "-a" "a30ff1a56b5cd6580da82ce21e41bdeca84a1bb1ceec48e671a5f6ff23fa133b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]     Checking db2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking tempfile v3.23.0
[INFO] [stdout] warning: methods `path` and `flush` are never used
[INFO] [stdout]   --> tests/common/mod.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl TestDb {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn path(&self) -> &Path {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn flush(&mut self) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `path`, `list_tables`, `list_indexes`, and `flush` are never used
[INFO] [stdout]   --> tests/common/mod.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl TestDb {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn path(&self) -> &Path {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn list_tables(&self) -> Vec<(String, db2::types::Schema)> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn list_indexes(&self) -> Vec<(String, String, Vec<String>, IndexType, bool)> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn flush(&mut self) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `path` and `flush` are never used
[INFO] [stdout]   --> tests/common/mod.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl TestDb {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn path(&self) -> &Path {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn flush(&mut self) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `execute_err`, `path`, `list_tables`, `list_indexes`, and `flush` are never used
[INFO] [stdout]   --> tests/common/mod.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl TestDb {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn execute_err(&mut self, sql: &str) -> io::Error {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn path(&self) -> &Path {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn list_tables(&self) -> Vec<(String, db2::types::Schema)> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn list_indexes(&self) -> Vec<(String, String, Vec<String>, IndexType, bool)> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn flush(&mut self) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `execute_err`, `path`, `list_tables`, `list_indexes`, and `flush` are never used
[INFO] [stdout]   --> tests/common/mod.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl TestDb {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn execute_err(&mut self, sql: &str) -> io::Error {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn path(&self) -> &Path {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn list_tables(&self) -> Vec<(String, db2::types::Schema)> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn list_indexes(&self) -> Vec<(String, String, Vec<String>, IndexType, bool)> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn flush(&mut self) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `path`, `list_indexes`, and `flush` are never used
[INFO] [stdout]   --> tests/common/mod.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl TestDb {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn path(&self) -> &Path {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn list_indexes(&self) -> Vec<(String, String, Vec<String>, IndexType, bool)> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn flush(&mut self) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `flush` is never used
[INFO] [stdout]   --> tests/common/mod.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl TestDb {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn flush(&mut self) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `path`, `list_tables`, and `flush` are never used
[INFO] [stdout]   --> tests/common/mod.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl TestDb {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn path(&self) -> &Path {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn list_tables(&self) -> Vec<(String, db2::types::Schema)> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn flush(&mut self) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `path`, `list_tables`, `list_indexes`, and `flush` are never used
[INFO] [stdout]   --> tests/common/mod.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl TestDb {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn path(&self) -> &Path {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn list_tables(&self) -> Vec<(String, db2::types::Schema)> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn list_indexes(&self) -> Vec<(String, String, Vec<String>, IndexType, bool)> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn flush(&mut self) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `path`, `list_tables`, `list_indexes`, and `flush` are never used
[INFO] [stdout]   --> tests/common/mod.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl TestDb {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn path(&self) -> &Path {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn list_tables(&self) -> Vec<(String, db2::types::Schema)> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn list_indexes(&self) -> Vec<(String, String, Vec<String>, IndexType, bool)> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn flush(&mut self) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `path`, `list_tables`, `list_indexes`, and `flush` are never used
[INFO] [stdout]   --> tests/common/mod.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl TestDb {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn path(&self) -> &Path {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn list_tables(&self) -> Vec<(String, db2::types::Schema)> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn list_indexes(&self) -> Vec<(String, String, Vec<String>, IndexType, bool)> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn flush(&mut self) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.02s
[INFO] running `Command { std: "docker" "inspect" "a30ff1a56b5cd6580da82ce21e41bdeca84a1bb1ceec48e671a5f6ff23fa133b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a30ff1a56b5cd6580da82ce21e41bdeca84a1bb1ceec48e671a5f6ff23fa133b", kill_on_drop: false }`
[INFO] [stdout] a30ff1a56b5cd6580da82ce21e41bdeca84a1bb1ceec48e671a5f6ff23fa133b