[INFO] cloning repository https://github.com/devqueue/rust-learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/devqueue/rust-learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevqueue%2Frust-learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevqueue%2Frust-learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af9f8f401f4e6c78701f16625383e38169e08065
[INFO] testing devqueue/rust-learning against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevqueue%2Frust-learning" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/devqueue/rust-learning on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/devqueue/rust-learning
[INFO] finished tweaking git repo https://github.com/devqueue/rust-learning
[INFO] tweaked toml for git repo https://github.com/devqueue/rust-learning written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/devqueue/rust-learning already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55d2fad56f651b29fbd35e990f1fbb88ae3b143736568315ddff486ca0818628
[INFO] running `Command { std: "docker" "start" "-a" "55d2fad56f651b29fbd35e990f1fbb88ae3b143736568315ddff486ca0818628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55d2fad56f651b29fbd35e990f1fbb88ae3b143736568315ddff486ca0818628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55d2fad56f651b29fbd35e990f1fbb88ae3b143736568315ddff486ca0818628", kill_on_drop: false }`
[INFO] [stdout] 55d2fad56f651b29fbd35e990f1fbb88ae3b143736568315ddff486ca0818628
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdffa53e9891b0a8c80bc8f9bed57847a9c72d17d935d89c7f81c86ab96c0060
[INFO] running `Command { std: "docker" "start" "-a" "cdffa53e9891b0a8c80bc8f9bed57847a9c72d17d935d89c7f81c86ab96c0060", kill_on_drop: false }`
[INFO] [stderr]    Compiling learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "cdffa53e9891b0a8c80bc8f9bed57847a9c72d17d935d89c7f81c86ab96c0060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdffa53e9891b0a8c80bc8f9bed57847a9c72d17d935d89c7f81c86ab96c0060", kill_on_drop: false }`
[INFO] [stdout] cdffa53e9891b0a8c80bc8f9bed57847a9c72d17d935d89c7f81c86ab96c0060
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1dac459f90106d4aa0b90a03dfabef5c04084212826e934e7f39c2ae3331260f
[INFO] running `Command { std: "docker" "start" "-a" "1dac459f90106d4aa0b90a03dfabef5c04084212826e934e7f39c2ae3331260f", kill_on_drop: false }`
[INFO] [stderr]    Compiling learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "1dac459f90106d4aa0b90a03dfabef5c04084212826e934e7f39c2ae3331260f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dac459f90106d4aa0b90a03dfabef5c04084212826e934e7f39c2ae3331260f", kill_on_drop: false }`
[INFO] [stdout] 1dac459f90106d4aa0b90a03dfabef5c04084212826e934e7f39c2ae3331260f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7335cdbf118e2ccfc8d71d5ff8007d1e90ed9be6433aca02241323a1618f9e5a
[INFO] running `Command { std: "docker" "start" "-a" "7335cdbf118e2ccfc8d71d5ff8007d1e90ed9be6433aca02241323a1618f9e5a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/learning-3d89390f39bd6dbb)
[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" "7335cdbf118e2ccfc8d71d5ff8007d1e90ed9be6433aca02241323a1618f9e5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7335cdbf118e2ccfc8d71d5ff8007d1e90ed9be6433aca02241323a1618f9e5a", kill_on_drop: false }`
[INFO] [stdout] 7335cdbf118e2ccfc8d71d5ff8007d1e90ed9be6433aca02241323a1618f9e5a