[INFO] fetching crate minigrep-wcj 0.1.0...
[INFO] testing minigrep-wcj-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate minigrep-wcj 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate minigrep-wcj 0.1.0 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 minigrep-wcj 0.1.0
[INFO] finished tweaking crates.io crate minigrep-wcj 0.1.0
[INFO] tweaked toml for crates.io crate minigrep-wcj 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate minigrep-wcj 0.1.0 already has a lockfile, it will not be regenerated
[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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 3df8ab1395d7038b663c27ea1cb1960b866317408abb34fa852a88188ff23bf9
[INFO] running `Command { std: "docker" "start" "-a" "3df8ab1395d7038b663c27ea1cb1960b866317408abb34fa852a88188ff23bf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3df8ab1395d7038b663c27ea1cb1960b866317408abb34fa852a88188ff23bf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3df8ab1395d7038b663c27ea1cb1960b866317408abb34fa852a88188ff23bf9", kill_on_drop: false }`
[INFO] [stdout] 3df8ab1395d7038b663c27ea1cb1960b866317408abb34fa852a88188ff23bf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] bc9e2d262ea55f694d5390b8749a1b907fe0d91b3b7de8aed0568cb9f9af96c3
[INFO] running `Command { std: "docker" "start" "-a" "bc9e2d262ea55f694d5390b8749a1b907fe0d91b3b7de8aed0568cb9f9af96c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep-wcj v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `error::Error`, `fs`
[INFO] [stdout]  --> src/main.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{env,fs,process,error::Error};
[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 0.71s
[INFO] running `Command { std: "docker" "inspect" "bc9e2d262ea55f694d5390b8749a1b907fe0d91b3b7de8aed0568cb9f9af96c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc9e2d262ea55f694d5390b8749a1b907fe0d91b3b7de8aed0568cb9f9af96c3", kill_on_drop: false }`
[INFO] [stdout] bc9e2d262ea55f694d5390b8749a1b907fe0d91b3b7de8aed0568cb9f9af96c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] d1a67db300990387e76434e2f878e1704a3605e3cee927a22273e4a616263482
[INFO] running `Command { std: "docker" "start" "-a" "d1a67db300990387e76434e2f878e1704a3605e3cee927a22273e4a616263482", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling minigrep-wcj v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `error::Error`, `fs`
[INFO] [stdout]  --> src/main.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{env,fs,process,error::Error};
[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 test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/minigrep_wcj-fdf3d9d7726b466c)
[INFO] running `Command { std: "docker" "inspect" "d1a67db300990387e76434e2f878e1704a3605e3cee927a22273e4a616263482", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1a67db300990387e76434e2f878e1704a3605e3cee927a22273e4a616263482", kill_on_drop: false }`
[INFO] [stdout] d1a67db300990387e76434e2f878e1704a3605e3cee927a22273e4a616263482
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] d250ff3740278174bf761575c383fb9a0a650c16138af068c512154805a204f8
[INFO] running `Command { std: "docker" "start" "-a" "d250ff3740278174bf761575c383fb9a0a650c16138af068c512154805a204f8", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `error::Error`, `fs`
[INFO] [stderr]  --> src/main.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{env,fs,process,error::Error};
[INFO] [stderr]   |               ^^         ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `minigrep-wcj` (bin "minigrep-wcj" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/minigrep_wcj-fdf3d9d7726b466c)
[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" "d250ff3740278174bf761575c383fb9a0a650c16138af068c512154805a204f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d250ff3740278174bf761575c383fb9a0a650c16138af068c512154805a204f8", kill_on_drop: false }`
[INFO] [stdout] d250ff3740278174bf761575c383fb9a0a650c16138af068c512154805a204f8