[INFO] fetching crate readbin 0.2.0...
[INFO] testing readbin-0.2.0 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate readbin 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate readbin 0.2.0
[INFO] finished tweaking crates.io crate readbin 0.2.0
[INFO] tweaked toml for crates.io crate readbin 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate readbin 0.2.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate readbin 0.2.0 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 4af8683e33538a122cbb943a2153c05bd5bae495126a7d6c93445339ad829bbf
[INFO] running `Command { std: "docker" "start" "4af8683e33538a122cbb943a2153c05bd5bae495126a7d6c93445339ad829bbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4af8683e33538a122cbb943a2153c05bd5bae495126a7d6c93445339ad829bbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4af8683e33538a122cbb943a2153c05bd5bae495126a7d6c93445339ad829bbf" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4af8683e33538a122cbb943a2153c05bd5bae495126a7d6c93445339ad829bbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4af8683e33538a122cbb943a2153c05bd5bae495126a7d6c93445339ad829bbf" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling readbin v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/headers/elf/x64.rs:65:25
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn from_bytes(data: &[u8]) -> Option<Cow<x64>> {
[INFO] [stdout]    |                         ^^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn from_bytes(data: &[u8]) -> Option<Cow<'_, x64>> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/utils/mod.rs:18:55
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn cow_struct<T: 'static + Copy + Default>(bytes: &[u8]) -> Option<Cow<T>> {
[INFO] [stdout]    |                                                       ^^^^^            ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                                       |
[INFO] [stdout]    |                                                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn cow_struct<T: 'static + Copy + Default>(bytes: &[u8]) -> Option<Cow<'_, T>> {
[INFO] [stdout]    |                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "4af8683e33538a122cbb943a2153c05bd5bae495126a7d6c93445339ad829bbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4af8683e33538a122cbb943a2153c05bd5bae495126a7d6c93445339ad829bbf" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/headers/elf/x64.rs:65:25
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn from_bytes(data: &[u8]) -> Option<Cow<x64>> {
[INFO] [stdout]    |                         ^^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn from_bytes(data: &[u8]) -> Option<Cow<'_, x64>> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/utils/mod.rs:18:55
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn cow_struct<T: 'static + Copy + Default>(bytes: &[u8]) -> Option<Cow<T>> {
[INFO] [stdout]    |                                                       ^^^^^            ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                                       |
[INFO] [stdout]    |                                                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn cow_struct<T: 'static + Copy + Default>(bytes: &[u8]) -> Option<Cow<'_, T>> {
[INFO] [stdout]    |                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling readbin v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/headers/elf/x64.rs:65:25
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn from_bytes(data: &[u8]) -> Option<Cow<x64>> {
[INFO] [stdout]    |                         ^^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn from_bytes(data: &[u8]) -> Option<Cow<'_, x64>> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/utils/mod.rs:18:55
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn cow_struct<T: 'static + Copy + Default>(bytes: &[u8]) -> Option<Cow<T>> {
[INFO] [stdout]    |                                                       ^^^^^            ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                                       |
[INFO] [stdout]    |                                                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn cow_struct<T: 'static + Copy + Default>(bytes: &[u8]) -> Option<Cow<'_, T>> {
[INFO] [stdout]    |                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "4af8683e33538a122cbb943a2153c05bd5bae495126a7d6c93445339ad829bbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4af8683e33538a122cbb943a2153c05bd5bae495126a7d6c93445339ad829bbf" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/headers/elf/x64.rs:65:25
[INFO] [stderr]    |
[INFO] [stderr] 65 | pub fn from_bytes(data: &[u8]) -> Option<Cow<x64>> {
[INFO] [stderr]    |                         ^^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                         |
[INFO] [stderr]    |                         the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 65 | pub fn from_bytes(data: &[u8]) -> Option<Cow<'_, x64>> {
[INFO] [stderr]    |                                              +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/utils/mod.rs:18:55
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn cow_struct<T: 'static + Copy + Default>(bytes: &[u8]) -> Option<Cow<T>> {
[INFO] [stderr]    |                                                       ^^^^^            ^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                                                       |
[INFO] [stderr]    |                                                       the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn cow_struct<T: 'static + Copy + Default>(bytes: &[u8]) -> Option<Cow<'_, T>> {
[INFO] [stderr]    |                                                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: `readbin` (lib) generated 2 warnings (run `cargo fix --lib -p readbin` to apply 2 suggestions)
[INFO] [stderr] warning: `readbin` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/readbin/851f8b365ca821f2/out/readbin-851f8b365ca821f2)
[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] [stderr]      Running unittests src/bin/main.rs (/opt/rustwide/target/debug/build/readbin/47e242b264af6f43/out/main-47e242b264af6f43)
[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] [stderr]    Doc-tests readbin
[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] running `Command { std: "docker" "inspect" "4af8683e33538a122cbb943a2153c05bd5bae495126a7d6c93445339ad829bbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4af8683e33538a122cbb943a2153c05bd5bae495126a7d6c93445339ad829bbf", kill_on_drop: false }`
[INFO] [stdout] 4af8683e33538a122cbb943a2153c05bd5bae495126a7d6c93445339ad829bbf
