[INFO] crate better-panic 0.2.0 is already in cache
[INFO] testing better-panic-0.2.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate better-panic 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate better-panic 0.2.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate better-panic 0.2.0
[INFO] finished tweaking crates.io crate better-panic 0.2.0
[INFO] tweaked toml for crates.io crate better-panic 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f384100ab99209d3543669e9081cbfda6413fad3ad73be39109bf98cbbea5ea
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8f384100ab99209d3543669e9081cbfda6413fad3ad73be39109bf98cbbea5ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f384100ab99209d3543669e9081cbfda6413fad3ad73be39109bf98cbbea5ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f384100ab99209d3543669e9081cbfda6413fad3ad73be39109bf98cbbea5ea", kill_on_drop: false }`
[INFO] [stdout] 8f384100ab99209d3543669e9081cbfda6413fad3ad73be39109bf98cbbea5ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1205de6d9b10885ca8d703d503b75bf0d49de10f108b3836c7575dbcfe62123a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1205de6d9b10885ca8d703d503b75bf0d49de10f108b3836c7575dbcfe62123a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr]    Compiling clicolors-control v1.0.1
[INFO] [stderr]    Compiling termios v0.3.2
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling addr2line v0.13.0
[INFO] [stderr]    Compiling console v0.9.2
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling better-panic v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.45s
[INFO] running `Command { std: "docker" "inspect" "1205de6d9b10885ca8d703d503b75bf0d49de10f108b3836c7575dbcfe62123a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1205de6d9b10885ca8d703d503b75bf0d49de10f108b3836c7575dbcfe62123a", kill_on_drop: false }`
[INFO] [stdout] 1205de6d9b10885ca8d703d503b75bf0d49de10f108b3836c7575dbcfe62123a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 79eb27c2d2367c0a3a1f348b207f47c5b9cea921953d11eb0853a579b151cdf6
[INFO] running `Command { std: "docker" "start" "-a" "79eb27c2d2367c0a3a1f348b207f47c5b9cea921953d11eb0853a579b151cdf6", kill_on_drop: false }`
[INFO] [stderr]    Compiling better-panic v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `Command { std: "docker" "inspect" "79eb27c2d2367c0a3a1f348b207f47c5b9cea921953d11eb0853a579b151cdf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79eb27c2d2367c0a3a1f348b207f47c5b9cea921953d11eb0853a579b151cdf6", kill_on_drop: false }`
[INFO] [stdout] 79eb27c2d2367c0a3a1f348b207f47c5b9cea921953d11eb0853a579b151cdf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d0e5d2a65238f48968b6ddc88d706c1789d364038e53d0da08d8eb6eefe0d48c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d0e5d2a65238f48968b6ddc88d706c1789d364038e53d0da08d8eb6eefe0d48c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/better_panic-d35111a74f0d6e88
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests better-panic
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d0e5d2a65238f48968b6ddc88d706c1789d364038e53d0da08d8eb6eefe0d48c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0e5d2a65238f48968b6ddc88d706c1789d364038e53d0da08d8eb6eefe0d48c", kill_on_drop: false }`
[INFO] [stdout] d0e5d2a65238f48968b6ddc88d706c1789d364038e53d0da08d8eb6eefe0d48c