[INFO] cloning repository https://github.com/pocari/rust-better-stacktrace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pocari/rust-better-stacktrace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpocari%2Frust-better-stacktrace", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpocari%2Frust-better-stacktrace'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5369aa0bfbafa131802dcb22608d8df0b3fd9351
[INFO] testing pocari/rust-better-stacktrace against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpocari%2Frust-better-stacktrace" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pocari/rust-better-stacktrace on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pocari/rust-better-stacktrace
[INFO] finished tweaking git repo https://github.com/pocari/rust-better-stacktrace
[INFO] tweaked toml for git repo https://github.com/pocari/rust-better-stacktrace written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate git repo https://github.com/pocari/rust-better-stacktrace already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb344fb606eb8ca1bb164cc14234ce20a3de8be0e922b187613e18eb4097fb09
[INFO] running `Command { std: "docker" "start" "-a" "bb344fb606eb8ca1bb164cc14234ce20a3de8be0e922b187613e18eb4097fb09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb344fb606eb8ca1bb164cc14234ce20a3de8be0e922b187613e18eb4097fb09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb344fb606eb8ca1bb164cc14234ce20a3de8be0e922b187613e18eb4097fb09", kill_on_drop: false }`
[INFO] [stdout] bb344fb606eb8ca1bb164cc14234ce20a3de8be0e922b187613e18eb4097fb09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e149ac64c69f74add59ecd4f81338901b4cb7b73d3151b6838c752d97c2560df
[INFO] running `Command { std: "docker" "start" "-a" "e149ac64c69f74add59ecd4f81338901b4cb7b73d3151b6838c752d97c2560df", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-better-stacktrace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "e149ac64c69f74add59ecd4f81338901b4cb7b73d3151b6838c752d97c2560df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e149ac64c69f74add59ecd4f81338901b4cb7b73d3151b6838c752d97c2560df", kill_on_drop: false }`
[INFO] [stdout] e149ac64c69f74add59ecd4f81338901b4cb7b73d3151b6838c752d97c2560df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e821c127f912a407aa8fee864153ef267d6d4a38d5d7e19478da03dd048d0ffd
[INFO] running `Command { std: "docker" "start" "-a" "e821c127f912a407aa8fee864153ef267d6d4a38d5d7e19478da03dd048d0ffd", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-better-stacktrace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "e821c127f912a407aa8fee864153ef267d6d4a38d5d7e19478da03dd048d0ffd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e821c127f912a407aa8fee864153ef267d6d4a38d5d7e19478da03dd048d0ffd", kill_on_drop: false }`
[INFO] [stdout] e821c127f912a407aa8fee864153ef267d6d4a38d5d7e19478da03dd048d0ffd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aed7e3c12dd2c0244a8117c16988c0e508e11968288d29e74ddd0e849ccd35cc
[INFO] running `Command { std: "docker" "start" "-a" "aed7e3c12dd2c0244a8117c16988c0e508e11968288d29e74ddd0e849ccd35cc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_better_stacktrace-5994e42f5e54cdde)
[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" "aed7e3c12dd2c0244a8117c16988c0e508e11968288d29e74ddd0e849ccd35cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aed7e3c12dd2c0244a8117c16988c0e508e11968288d29e74ddd0e849ccd35cc", kill_on_drop: false }`
[INFO] [stdout] aed7e3c12dd2c0244a8117c16988c0e508e11968288d29e74ddd0e849ccd35cc