[INFO] fetching crate bk 0.5.3...
[INFO] checking bk-0.5.3 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate bk 0.5.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate bk 0.5.3 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bk 0.5.3
[INFO] finished tweaking crates.io crate bk 0.5.3
[INFO] tweaked toml for crates.io crate bk 0.5.3 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate bk 0.5.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", 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] 778c6b2b50f9c3d00c98a026f337d96e932232941feb51012c66960d0635ca76
[INFO] running `Command { std: "docker" "start" "-a" "778c6b2b50f9c3d00c98a026f337d96e932232941feb51012c66960d0635ca76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "778c6b2b50f9c3d00c98a026f337d96e932232941feb51012c66960d0635ca76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "778c6b2b50f9c3d00c98a026f337d96e932232941feb51012c66960d0635ca76", kill_on_drop: false }`
[INFO] [stdout] 778c6b2b50f9c3d00c98a026f337d96e932232941feb51012c66960d0635ca76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4277474d7a940c07ee2166c93ea9b1d8765a1a95fc1103afe48e0f785be70a98
[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" "4277474d7a940c07ee2166c93ea9b1d8765a1a95fc1103afe48e0f785be70a98", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling argh_shared v0.1.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling anyhow v1.0.39
[INFO] [stderr]     Checking xmlparser v0.13.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking roxmltree v0.14.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking crossterm v0.19.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling argh_derive v0.1.4
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking zip v0.5.11
[INFO] [stderr]     Checking argh v0.1.4
[INFO] [stderr]     Checking ron v0.6.4
[INFO] [stderr]     Checking bk v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.12s
[INFO] running `Command { std: "docker" "inspect" "4277474d7a940c07ee2166c93ea9b1d8765a1a95fc1103afe48e0f785be70a98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4277474d7a940c07ee2166c93ea9b1d8765a1a95fc1103afe48e0f785be70a98", kill_on_drop: false }`
[INFO] [stdout] 4277474d7a940c07ee2166c93ea9b1d8765a1a95fc1103afe48e0f785be70a98