[INFO] fetching crate myfirstlibrary 0.1.2...
[INFO] testing myfirstlibrary-0.1.2 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate myfirstlibrary 0.1.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate myfirstlibrary 0.1.2
[INFO] finished tweaking crates.io crate myfirstlibrary 0.1.2
[INFO] tweaked toml for crates.io crate myfirstlibrary 0.1.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate myfirstlibrary 0.1.2 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate myfirstlibrary 0.1.2 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b451ac6cbeab77d44d83588e311c7521ae211b3ec8de7c123191991e6c341518
[INFO] running `Command { std: "docker" "start" "-a" "b451ac6cbeab77d44d83588e311c7521ae211b3ec8de7c123191991e6c341518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b451ac6cbeab77d44d83588e311c7521ae211b3ec8de7c123191991e6c341518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b451ac6cbeab77d44d83588e311c7521ae211b3ec8de7c123191991e6c341518", kill_on_drop: false }`
[INFO] [stdout] b451ac6cbeab77d44d83588e311c7521ae211b3ec8de7c123191991e6c341518
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 992c14b973f3669a53a282812a58b0dd78431cac14c0c96a0d382668484c5b52
[INFO] running `Command { std: "docker" "start" "-a" "992c14b973f3669a53a282812a58b0dd78431cac14c0c96a0d382668484c5b52", kill_on_drop: false }`
[INFO] [stderr]    Compiling myfirstlibrary v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "992c14b973f3669a53a282812a58b0dd78431cac14c0c96a0d382668484c5b52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "992c14b973f3669a53a282812a58b0dd78431cac14c0c96a0d382668484c5b52", kill_on_drop: false }`
[INFO] [stdout] 992c14b973f3669a53a282812a58b0dd78431cac14c0c96a0d382668484c5b52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25d1eb3baff2f2e8efd2a47d9831cd70a98a47587da28626f714bcda02bd841c
[INFO] running `Command { std: "docker" "start" "-a" "25d1eb3baff2f2e8efd2a47d9831cd70a98a47587da28626f714bcda02bd841c", kill_on_drop: false }`
[INFO] [stderr]    Compiling myfirstlibrary v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "25d1eb3baff2f2e8efd2a47d9831cd70a98a47587da28626f714bcda02bd841c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25d1eb3baff2f2e8efd2a47d9831cd70a98a47587da28626f714bcda02bd841c", kill_on_drop: false }`
[INFO] [stdout] 25d1eb3baff2f2e8efd2a47d9831cd70a98a47587da28626f714bcda02bd841c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a66175c60fe330f17642a11f8353e1ac198f0db6fe1c3b2afd7c39d55d1315a6
[INFO] running `Command { std: "docker" "start" "-a" "a66175c60fe330f17642a11f8353e1ac198f0db6fe1c3b2afd7c39d55d1315a6", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/myfirstlibrary-5896a084817b8473)
[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" "a66175c60fe330f17642a11f8353e1ac198f0db6fe1c3b2afd7c39d55d1315a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a66175c60fe330f17642a11f8353e1ac198f0db6fe1c3b2afd7c39d55d1315a6", kill_on_drop: false }`
[INFO] [stdout] a66175c60fe330f17642a11f8353e1ac198f0db6fe1c3b2afd7c39d55d1315a6