[INFO] cloning repository https://github.com/baliuzeger/mpsc_synchronizer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/baliuzeger/mpsc_synchronizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaliuzeger%2Fmpsc_synchronizer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaliuzeger%2Fmpsc_synchronizer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 799353cb0c9804e4ca37c60d7cd65f9fe6200568
[INFO] testing baliuzeger/mpsc_synchronizer against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaliuzeger%2Fmpsc_synchronizer" "/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/baliuzeger/mpsc_synchronizer 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/baliuzeger/mpsc_synchronizer
[INFO] finished tweaking git repo https://github.com/baliuzeger/mpsc_synchronizer
[INFO] tweaked toml for git repo https://github.com/baliuzeger/mpsc_synchronizer written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/baliuzeger/mpsc_synchronizer 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] 056a8c20d69ee489ff3462fab2f16455c1101cb5502058ec7fad886425730d44
[INFO] running `Command { std: "docker" "start" "-a" "056a8c20d69ee489ff3462fab2f16455c1101cb5502058ec7fad886425730d44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "056a8c20d69ee489ff3462fab2f16455c1101cb5502058ec7fad886425730d44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "056a8c20d69ee489ff3462fab2f16455c1101cb5502058ec7fad886425730d44", kill_on_drop: false }`
[INFO] [stdout] 056a8c20d69ee489ff3462fab2f16455c1101cb5502058ec7fad886425730d44
[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] c99428359ef2996fd556aca97348f1418ec5a0c34008961e7b5918d3cee881ff
[INFO] running `Command { std: "docker" "start" "-a" "c99428359ef2996fd556aca97348f1418ec5a0c34008961e7b5918d3cee881ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling mpsc_synchronizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "c99428359ef2996fd556aca97348f1418ec5a0c34008961e7b5918d3cee881ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c99428359ef2996fd556aca97348f1418ec5a0c34008961e7b5918d3cee881ff", kill_on_drop: false }`
[INFO] [stdout] c99428359ef2996fd556aca97348f1418ec5a0c34008961e7b5918d3cee881ff
[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] 28b79118c99b8b8d34250a82aca1940ecbea3d3f2ecf2fc3d3d36098b30009d0
[INFO] running `Command { std: "docker" "start" "-a" "28b79118c99b8b8d34250a82aca1940ecbea3d3f2ecf2fc3d3d36098b30009d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling mpsc_synchronizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "28b79118c99b8b8d34250a82aca1940ecbea3d3f2ecf2fc3d3d36098b30009d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28b79118c99b8b8d34250a82aca1940ecbea3d3f2ecf2fc3d3d36098b30009d0", kill_on_drop: false }`
[INFO] [stdout] 28b79118c99b8b8d34250a82aca1940ecbea3d3f2ecf2fc3d3d36098b30009d0
[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] 0bf0901b79de1194553487c5c087fd60a4c52edaa6d982ae5e2ed6da55098b9f
[INFO] running `Command { std: "docker" "start" "-a" "0bf0901b79de1194553487c5c087fd60a4c52edaa6d982ae5e2ed6da55098b9f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mpsc_synchronizer-0067260db3d70800)
[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" "0bf0901b79de1194553487c5c087fd60a4c52edaa6d982ae5e2ed6da55098b9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bf0901b79de1194553487c5c087fd60a4c52edaa6d982ae5e2ed6da55098b9f", kill_on_drop: false }`
[INFO] [stdout] 0bf0901b79de1194553487c5c087fd60a4c52edaa6d982ae5e2ed6da55098b9f