[INFO] fetching crate leaky-cow 0.1.1...
[INFO] testing leaky-cow-0.1.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate leaky-cow 0.1.1 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate leaky-cow 0.1.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate leaky-cow 0.1.1
[INFO] finished tweaking crates.io crate leaky-cow 0.1.1
[INFO] tweaked toml for crates.io crate leaky-cow 0.1.1 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cfadc843585be90835b174546bda2a44753ff183b43201f8bb10e676fbea205
[INFO] running `Command { std: "docker" "start" "-a" "2cfadc843585be90835b174546bda2a44753ff183b43201f8bb10e676fbea205", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cfadc843585be90835b174546bda2a44753ff183b43201f8bb10e676fbea205", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cfadc843585be90835b174546bda2a44753ff183b43201f8bb10e676fbea205", kill_on_drop: false }`
[INFO] [stdout] 2cfadc843585be90835b174546bda2a44753ff183b43201f8bb10e676fbea205
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84c64c2418854a15423723656f492e1232a91dfc6943b70d5317992dc1ece39a
[INFO] running `Command { std: "docker" "start" "-a" "84c64c2418854a15423723656f492e1232a91dfc6943b70d5317992dc1ece39a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling leak v0.1.2
[INFO] [stderr]    Compiling leaky-cow v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Borrow`
[INFO] [stdout]  --> src/lib.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::borrow::{Borrow, Cow, ToOwned};
[INFO] [stdout]   |                   ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "84c64c2418854a15423723656f492e1232a91dfc6943b70d5317992dc1ece39a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84c64c2418854a15423723656f492e1232a91dfc6943b70d5317992dc1ece39a", kill_on_drop: false }`
[INFO] [stdout] 84c64c2418854a15423723656f492e1232a91dfc6943b70d5317992dc1ece39a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31f2be8572750eb9232f81775e009dceefdeac6ddd3533a99c4ddbc33fad4aaa
[INFO] running `Command { std: "docker" "start" "-a" "31f2be8572750eb9232f81775e009dceefdeac6ddd3533a99c4ddbc33fad4aaa", kill_on_drop: false }`
[INFO] [stderr]    Compiling leaky-cow v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Borrow`
[INFO] [stdout]  --> src/lib.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::borrow::{Borrow, Cow, ToOwned};
[INFO] [stdout]   |                   ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Borrow`
[INFO] [stdout]  --> src/lib.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::borrow::{Borrow, Cow, ToOwned};
[INFO] [stdout]   |                   ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.58s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/leaky_cow-ec025dd34b88c2a5)
[INFO] running `Command { std: "docker" "inspect" "31f2be8572750eb9232f81775e009dceefdeac6ddd3533a99c4ddbc33fad4aaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31f2be8572750eb9232f81775e009dceefdeac6ddd3533a99c4ddbc33fad4aaa", kill_on_drop: false }`
[INFO] [stdout] 31f2be8572750eb9232f81775e009dceefdeac6ddd3533a99c4ddbc33fad4aaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0befad295bb133b8dd0552fe0d833be18507d6bfc2b95f9aa0f0d6164669ae58
[INFO] running `Command { std: "docker" "start" "-a" "0befad295bb133b8dd0552fe0d833be18507d6bfc2b95f9aa0f0d6164669ae58", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Borrow`
[INFO] [stderr]  --> src/lib.rs:9:19
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::borrow::{Borrow, Cow, ToOwned};
[INFO] [stderr]   |                   ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `leaky-cow` (lib) generated 1 warning
[INFO] [stderr] warning: `leaky-cow` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/leaky_cow-ec025dd34b88c2a5)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::test_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests leaky-cow
[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" "0befad295bb133b8dd0552fe0d833be18507d6bfc2b95f9aa0f0d6164669ae58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0befad295bb133b8dd0552fe0d833be18507d6bfc2b95f9aa0f0d6164669ae58", kill_on_drop: false }`
[INFO] [stdout] 0befad295bb133b8dd0552fe0d833be18507d6bfc2b95f9aa0f0d6164669ae58