[INFO] fetching crate nibi 0.0.2...
[INFO] checking nibi-0.0.2 against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] extracting crate nibi 0.0.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate nibi 0.0.2 on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nibi 0.0.2
[INFO] finished tweaking crates.io crate nibi 0.0.2
[INFO] tweaked toml for crates.io crate nibi 0.0.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate nibi 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b6492eb13dfd3d96b89b75932c33e3f25d5014900a155d911b4ae27bdad5d57
[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" "6b6492eb13dfd3d96b89b75932c33e3f25d5014900a155d911b4ae27bdad5d57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b6492eb13dfd3d96b89b75932c33e3f25d5014900a155d911b4ae27bdad5d57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b6492eb13dfd3d96b89b75932c33e3f25d5014900a155d911b4ae27bdad5d57", kill_on_drop: false }`
[INFO] [stdout] 6b6492eb13dfd3d96b89b75932c33e3f25d5014900a155d911b4ae27bdad5d57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7f3327c095ff76498ead8852ce319ea6068a947154a05ac6ee11f8f04eac9bb
[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" "b7f3327c095ff76498ead8852ce319ea6068a947154a05ac6ee11f8f04eac9bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling pulldown-cmark v0.7.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking ron v0.5.1
[INFO] [stderr]     Checking nibi v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.73s
[INFO] running `Command { std: "docker" "inspect" "b7f3327c095ff76498ead8852ce319ea6068a947154a05ac6ee11f8f04eac9bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7f3327c095ff76498ead8852ce319ea6068a947154a05ac6ee11f8f04eac9bb", kill_on_drop: false }`
[INFO] [stdout] b7f3327c095ff76498ead8852ce319ea6068a947154a05ac6ee11f8f04eac9bb