[INFO] cloning repository https://github.com/aapis/rust-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aapis/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faapis%2Frust-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faapis%2Frust-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 92d08d5fbbcd994f82e1ca4ba60325d90822f6bb
[INFO] testing aapis/rust-playground against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faapis%2Frust-playground" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aapis/rust-playground 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/aapis/rust-playground
[INFO] finished tweaking git repo https://github.com/aapis/rust-playground
[INFO] tweaked toml for git repo https://github.com/aapis/rust-playground written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/aapis/rust-playground 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] a352f27ac088412e1a1a17a435208632be5d117d22b85d2f4499d51d78190e4f
[INFO] running `Command { std: "docker" "start" "-a" "a352f27ac088412e1a1a17a435208632be5d117d22b85d2f4499d51d78190e4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a352f27ac088412e1a1a17a435208632be5d117d22b85d2f4499d51d78190e4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a352f27ac088412e1a1a17a435208632be5d117d22b85d2f4499d51d78190e4f", kill_on_drop: false }`
[INFO] [stdout] a352f27ac088412e1a1a17a435208632be5d117d22b85d2f4499d51d78190e4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 1dbe43fbe73168dc517ad6c5ec08cfcf8421e7e00ce50b669b9a6f6f35c3c333
[INFO] running `Command { std: "docker" "start" "-a" "1dbe43fbe73168dc517ad6c5ec08cfcf8421e7e00ce50b669b9a6f6f35c3c333", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling lazy_static v1.0.2
[INFO] [stderr]    Compiling colored v1.6.1
[INFO] [stderr]    Compiling chrono v0.4.5
[INFO] [stderr]    Compiling rust_playground v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.55s
[INFO] running `Command { std: "docker" "inspect" "1dbe43fbe73168dc517ad6c5ec08cfcf8421e7e00ce50b669b9a6f6f35c3c333", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dbe43fbe73168dc517ad6c5ec08cfcf8421e7e00ce50b669b9a6f6f35c3c333", kill_on_drop: false }`
[INFO] [stdout] 1dbe43fbe73168dc517ad6c5ec08cfcf8421e7e00ce50b669b9a6f6f35c3c333
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 8f12daf3d313072e82191f41cd70cb3f017e32327f595bbb99bf26fd014c4896
[INFO] running `Command { std: "docker" "start" "-a" "8f12daf3d313072e82191f41cd70cb3f017e32327f595bbb99bf26fd014c4896", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_playground v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "8f12daf3d313072e82191f41cd70cb3f017e32327f595bbb99bf26fd014c4896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f12daf3d313072e82191f41cd70cb3f017e32327f595bbb99bf26fd014c4896", kill_on_drop: false }`
[INFO] [stdout] 8f12daf3d313072e82191f41cd70cb3f017e32327f595bbb99bf26fd014c4896
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] bf9e17f3b936528fc5f35316a6789fcf6443c74ca8453fd5d3a282a11c1db860
[INFO] running `Command { std: "docker" "start" "-a" "bf9e17f3b936528fc5f35316a6789fcf6443c74ca8453fd5d3a282a11c1db860", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_playground-814ad391e7b28250)
[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" "bf9e17f3b936528fc5f35316a6789fcf6443c74ca8453fd5d3a282a11c1db860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf9e17f3b936528fc5f35316a6789fcf6443c74ca8453fd5d3a282a11c1db860", kill_on_drop: false }`
[INFO] [stdout] bf9e17f3b936528fc5f35316a6789fcf6443c74ca8453fd5d3a282a11c1db860