[INFO] fetching crate color-backtrace 0.5.1...
[INFO] testing color-backtrace-0.5.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate color-backtrace 0.5.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate color-backtrace 0.5.1 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 crates.io crate color-backtrace 0.5.1
[INFO] finished tweaking crates.io crate color-backtrace 0.5.1
[INFO] tweaked toml for crates.io crate color-backtrace 0.5.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate color-backtrace 0.5.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 6e58c43cacd222f512ec557cf79a4a23ad842fbee855cb7386dee505638a95a3
[INFO] running `Command { std: "docker" "start" "-a" "6e58c43cacd222f512ec557cf79a4a23ad842fbee855cb7386dee505638a95a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e58c43cacd222f512ec557cf79a4a23ad842fbee855cb7386dee505638a95a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e58c43cacd222f512ec557cf79a4a23ad842fbee855cb7386dee505638a95a3", kill_on_drop: false }`
[INFO] [stdout] 6e58c43cacd222f512ec557cf79a4a23ad842fbee855cb7386dee505638a95a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 149e576f3e756166c865f22df4bb8b513e8d92ceef88d3d79790b50992153058
[INFO] running `Command { std: "docker" "start" "-a" "149e576f3e756166c865f22df4bb8b513e8d92ceef88d3d79790b50992153058", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling object v0.23.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling addr2line v0.14.1
[INFO] [stderr]    Compiling backtrace v0.3.57
[INFO] [stderr]    Compiling color-backtrace v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.17s
[INFO] running `Command { std: "docker" "inspect" "149e576f3e756166c865f22df4bb8b513e8d92ceef88d3d79790b50992153058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "149e576f3e756166c865f22df4bb8b513e8d92ceef88d3d79790b50992153058", kill_on_drop: false }`
[INFO] [stdout] 149e576f3e756166c865f22df4bb8b513e8d92ceef88d3d79790b50992153058
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 276ae800196c5c590fa256746d03594c2a50f7bfd5aca7350a252f82eab84966
[INFO] running `Command { std: "docker" "start" "-a" "276ae800196c5c590fa256746d03594c2a50f7bfd5aca7350a252f82eab84966", kill_on_drop: false }`
[INFO] [stderr]    Compiling color-backtrace v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `Command { std: "docker" "inspect" "276ae800196c5c590fa256746d03594c2a50f7bfd5aca7350a252f82eab84966", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "276ae800196c5c590fa256746d03594c2a50f7bfd5aca7350a252f82eab84966", kill_on_drop: false }`
[INFO] [stdout] 276ae800196c5c590fa256746d03594c2a50f7bfd5aca7350a252f82eab84966
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 33779ef891b6663f854b752207fe177584d0e129d2681919f0b6644f9a12b9d1
[INFO] running `Command { std: "docker" "start" "-a" "33779ef891b6663f854b752207fe177584d0e129d2681919f0b6644f9a12b9d1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/color_backtrace-488b1a3873262eb2)
[INFO] [stderr]    Doc-tests color-backtrace
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 27) ... ok
[INFO] [stdout] test src/lib.rs - BacktracePrinter::add_frame_filter (line 608) ... ok
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] test src/lib.rs - install (line 104) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.15s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "33779ef891b6663f854b752207fe177584d0e129d2681919f0b6644f9a12b9d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33779ef891b6663f854b752207fe177584d0e129d2681919f0b6644f9a12b9d1", kill_on_drop: false }`
[INFO] [stdout] 33779ef891b6663f854b752207fe177584d0e129d2681919f0b6644f9a12b9d1