[INFO] fetching crate colsol 0.1.4...
[INFO] testing colsol-0.1.4 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate colsol 0.1.4 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate colsol 0.1.4 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate colsol 0.1.4
[INFO] finished tweaking crates.io crate colsol 0.1.4
[INFO] tweaked toml for crates.io crate colsol 0.1.4 written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] crate crates.io crate colsol 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf19cfd6dbf7442486c77d5ce39abfa20870ae7b324f67fd01a59bf8b1873c6d
[INFO] running `Command { std: "docker" "start" "-a" "cf19cfd6dbf7442486c77d5ce39abfa20870ae7b324f67fd01a59bf8b1873c6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf19cfd6dbf7442486c77d5ce39abfa20870ae7b324f67fd01a59bf8b1873c6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf19cfd6dbf7442486c77d5ce39abfa20870ae7b324f67fd01a59bf8b1873c6d", kill_on_drop: false }`
[INFO] [stdout] cf19cfd6dbf7442486c77d5ce39abfa20870ae7b324f67fd01a59bf8b1873c6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16b8de7317cafebed1dc17e8663d98dc66727b0c6e1b6f8951f9c81734164b3b
[INFO] running `Command { std: "docker" "start" "-a" "16b8de7317cafebed1dc17e8663d98dc66727b0c6e1b6f8951f9c81734164b3b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling colsol v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "16b8de7317cafebed1dc17e8663d98dc66727b0c6e1b6f8951f9c81734164b3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16b8de7317cafebed1dc17e8663d98dc66727b0c6e1b6f8951f9c81734164b3b", kill_on_drop: false }`
[INFO] [stdout] 16b8de7317cafebed1dc17e8663d98dc66727b0c6e1b6f8951f9c81734164b3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ec3c3f03b7dd3a75d0756166bfd5bb56732ba01c31bd42ad5ab3800942be13e
[INFO] running `Command { std: "docker" "start" "-a" "5ec3c3f03b7dd3a75d0756166bfd5bb56732ba01c31bd42ad5ab3800942be13e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling colsol v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "5ec3c3f03b7dd3a75d0756166bfd5bb56732ba01c31bd42ad5ab3800942be13e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ec3c3f03b7dd3a75d0756166bfd5bb56732ba01c31bd42ad5ab3800942be13e", kill_on_drop: false }`
[INFO] [stdout] 5ec3c3f03b7dd3a75d0756166bfd5bb56732ba01c31bd42ad5ab3800942be13e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6869be657bd3c4f05d6016fac3b6e6e3ac7bf50f398883b689edf3d5574d498b
[INFO] running `Command { std: "docker" "start" "-a" "6869be657bd3c4f05d6016fac3b6e6e3ac7bf50f398883b689edf3d5574d498b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/colsol-d960a839e96dd10b)
[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 colsol
[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" "6869be657bd3c4f05d6016fac3b6e6e3ac7bf50f398883b689edf3d5574d498b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6869be657bd3c4f05d6016fac3b6e6e3ac7bf50f398883b689edf3d5574d498b", kill_on_drop: false }`
[INFO] [stdout] 6869be657bd3c4f05d6016fac3b6e6e3ac7bf50f398883b689edf3d5574d498b