[INFO] cloning repository https://github.com/SteveBirtles/rust_for_polyglots
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SteveBirtles/rust_for_polyglots" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSteveBirtles%2Frust_for_polyglots", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSteveBirtles%2Frust_for_polyglots'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1dfc720c5b211fb49bc60e106ab8daace0a10d11
[INFO] testing SteveBirtles/rust_for_polyglots against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSteveBirtles%2Frust_for_polyglots" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SteveBirtles/rust_for_polyglots 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/SteveBirtles/rust_for_polyglots
[INFO] finished tweaking git repo https://github.com/SteveBirtles/rust_for_polyglots
[INFO] tweaked toml for git repo https://github.com/SteveBirtles/rust_for_polyglots written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/SteveBirtles/rust_for_polyglots 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 375b33a10c84e5d0108fbdb9c6efa15766650e0482010db11b149f6589b2831f
[INFO] running `Command { std: "docker" "start" "-a" "375b33a10c84e5d0108fbdb9c6efa15766650e0482010db11b149f6589b2831f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "375b33a10c84e5d0108fbdb9c6efa15766650e0482010db11b149f6589b2831f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "375b33a10c84e5d0108fbdb9c6efa15766650e0482010db11b149f6589b2831f", kill_on_drop: false }`
[INFO] [stdout] 375b33a10c84e5d0108fbdb9c6efa15766650e0482010db11b149f6589b2831f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] e893b030848da8b7e897419c6dbd518a7d7b43571309fe73bc68d45b2761ae35
[INFO] running `Command { std: "docker" "start" "-a" "e893b030848da8b7e897419c6dbd518a7d7b43571309fe73bc68d45b2761ae35", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling rand v0.3.20
[INFO] [stderr]    Compiling rust_for_polyglots v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `Command { std: "docker" "inspect" "e893b030848da8b7e897419c6dbd518a7d7b43571309fe73bc68d45b2761ae35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e893b030848da8b7e897419c6dbd518a7d7b43571309fe73bc68d45b2761ae35", kill_on_drop: false }`
[INFO] [stdout] e893b030848da8b7e897419c6dbd518a7d7b43571309fe73bc68d45b2761ae35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 312270fed7003178dad5741ff02892f9b792f8f0e8b8d07d46e0fa4d5414b743
[INFO] running `Command { std: "docker" "start" "-a" "312270fed7003178dad5741ff02892f9b792f8f0e8b8d07d46e0fa4d5414b743", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_for_polyglots v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "312270fed7003178dad5741ff02892f9b792f8f0e8b8d07d46e0fa4d5414b743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "312270fed7003178dad5741ff02892f9b792f8f0e8b8d07d46e0fa4d5414b743", kill_on_drop: false }`
[INFO] [stdout] 312270fed7003178dad5741ff02892f9b792f8f0e8b8d07d46e0fa4d5414b743
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] a2461a95a31204fe24fe0bceaf9be8b68d14d4431a250fed7213b372d6fb4aeb
[INFO] running `Command { std: "docker" "start" "-a" "a2461a95a31204fe24fe0bceaf9be8b68d14d4431a250fed7213b372d6fb4aeb", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_for_polyglots-501e3b741c2a6407)
[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" "a2461a95a31204fe24fe0bceaf9be8b68d14d4431a250fed7213b372d6fb4aeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2461a95a31204fe24fe0bceaf9be8b68d14d4431a250fed7213b372d6fb4aeb", kill_on_drop: false }`
[INFO] [stdout] a2461a95a31204fe24fe0bceaf9be8b68d14d4431a250fed7213b372d6fb4aeb