[INFO] fetching crate better-panic 0.3.0...
[INFO] testing better-panic-0.3.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate better-panic 0.3.0 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate better-panic 0.3.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate better-panic 0.3.0
[INFO] finished tweaking crates.io crate better-panic 0.3.0
[INFO] tweaked toml for crates.io crate better-panic 0.3.0 written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate crates.io crate better-panic 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-xid v0.2.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.36
[INFO] [stderr]   Downloaded same-file v1.0.6
[INFO] [stderr]   Downloaded itoa v1.0.1
[INFO] [stderr]   Downloaded serde_json v1.0.74
[INFO] [stderr]   Downloaded yaml-rust v0.4.5
[INFO] [stderr]   Downloaded cc v1.0.72
[INFO] [stderr]   Downloaded pkg-config v0.3.24
[INFO] [stderr]   Downloaded hashbrown v0.11.2
[INFO] [stderr]   Downloaded once_cell v1.9.0
[INFO] [stderr]   Downloaded adler v1.0.2
[INFO] [stderr]   Downloaded bitflags v1.3.2
[INFO] [stderr]   Downloaded addr2line v0.17.0
[INFO] [stderr]   Downloaded memchr v2.4.1
[INFO] [stderr]   Downloaded gimli v0.26.1
[INFO] [stderr]   Downloaded backtrace v0.3.63
[INFO] [stderr]   Downloaded fnv v1.0.7
[INFO] [stderr]   Downloaded itoa v0.4.8
[INFO] [stderr]   Downloaded lazycell v1.3.0
[INFO] [stderr]   Downloaded safemem v0.3.3
[INFO] [stderr]   Downloaded onig v6.3.1
[INFO] [stderr]   Downloaded ryu v1.0.9
[INFO] [stderr]   Downloaded winapi-util v0.1.5
[INFO] [stderr]   Downloaded walkdir v2.3.2
[INFO] [stderr]   Downloaded xml-rs v0.8.4
[INFO] [stderr]   Downloaded rustc-demangle v0.1.21
[INFO] [stderr]   Downloaded miniz_oxide v0.4.4
[INFO] [stderr]   Downloaded flate2 v1.0.22
[INFO] [stderr]   Downloaded console v0.15.0
[INFO] [stderr]   Downloaded bincode v1.3.3
[INFO] [stderr]   Downloaded line-wrap v0.1.1
[INFO] [stderr]   Downloaded quote v1.0.14
[INFO] [stderr]   Downloaded syn v1.0.85
[INFO] [stderr]   Downloaded object v0.27.1
[INFO] [stderr]   Downloaded linked-hash-map v0.5.4
[INFO] [stderr]   Downloaded indexmap v1.8.0
[INFO] [stderr]   Downloaded time v0.3.5
[INFO] [stderr]   Downloaded plist v1.3.1
[INFO] [stderr]   Downloaded crc32fast v1.3.0
[INFO] [stderr]   Downloaded serde v1.0.133
[INFO] [stderr]   Downloaded serde_derive v1.0.133
[INFO] [stderr]   Downloaded libc v0.2.112
[INFO] [stderr]   Downloaded syntect v4.6.0
[INFO] [stderr]   Downloaded onig_sys v69.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23a0efa3bf5a4b1cd19ed2b5544db8965fa9e4f59fe98aa17745d63d5aaad6ee
[INFO] running `Command { std: "docker" "start" "-a" "23a0efa3bf5a4b1cd19ed2b5544db8965fa9e4f59fe98aa17745d63d5aaad6ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23a0efa3bf5a4b1cd19ed2b5544db8965fa9e4f59fe98aa17745d63d5aaad6ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23a0efa3bf5a4b1cd19ed2b5544db8965fa9e4f59fe98aa17745d63d5aaad6ee", kill_on_drop: false }`
[INFO] [stdout] 23a0efa3bf5a4b1cd19ed2b5544db8965fa9e4f59fe98aa17745d63d5aaad6ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 668350e15e06f11a759c3f59c58bf2e27cc2ab3c841daa86c12c389fb22ec322
[INFO] running `Command { std: "docker" "start" "-a" "668350e15e06f11a759c3f59c58bf2e27cc2ab3c841daa86c12c389fb22ec322", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling console v0.15.0
[INFO] [stderr]    Compiling better-panic v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.49s
[INFO] running `Command { std: "docker" "inspect" "668350e15e06f11a759c3f59c58bf2e27cc2ab3c841daa86c12c389fb22ec322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "668350e15e06f11a759c3f59c58bf2e27cc2ab3c841daa86c12c389fb22ec322", kill_on_drop: false }`
[INFO] [stdout] 668350e15e06f11a759c3f59c58bf2e27cc2ab3c841daa86c12c389fb22ec322
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53e1e81668a07fba2ac8e65107465a81169b9d7ae962140325c8ba01683d21dc
[INFO] running `Command { std: "docker" "start" "-a" "53e1e81668a07fba2ac8e65107465a81169b9d7ae962140325c8ba01683d21dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling better-panic v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "53e1e81668a07fba2ac8e65107465a81169b9d7ae962140325c8ba01683d21dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53e1e81668a07fba2ac8e65107465a81169b9d7ae962140325c8ba01683d21dc", kill_on_drop: false }`
[INFO] [stdout] 53e1e81668a07fba2ac8e65107465a81169b9d7ae962140325c8ba01683d21dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 040f9f85c84f8e1e1b51c429c28b8a3520204cfd3c990b392e042263ed6d8b8b
[INFO] running `Command { std: "docker" "start" "-a" "040f9f85c84f8e1e1b51c429c28b8a3520204cfd3c990b392e042263ed6d8b8b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/better_panic-4494e838ddb33fef)
[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] [stderr]    Doc-tests better-panic
[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; finished in 0.51s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "040f9f85c84f8e1e1b51c429c28b8a3520204cfd3c990b392e042263ed6d8b8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "040f9f85c84f8e1e1b51c429c28b8a3520204cfd3c990b392e042263ed6d8b8b", kill_on_drop: false }`
[INFO] [stdout] 040f9f85c84f8e1e1b51c429c28b8a3520204cfd3c990b392e042263ed6d8b8b