[INFO] fetching crate m-o 1.0.0...
[INFO] checking m-o-1.0.0 against try#d93021f5faa26e4f9d2719e79f9974e06aa40e17 for pr-71873
[INFO] extracting crate m-o 1.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate m-o 1.0.0 on toolchain d93021f5faa26e4f9d2719e79f9974e06aa40e17
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d93021f5faa26e4f9d2719e79f9974e06aa40e17" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate m-o 1.0.0
[INFO] finished tweaking crates.io crate m-o 1.0.0
[INFO] tweaked toml for crates.io crate m-o 1.0.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate m-o 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d93021f5faa26e4f9d2719e79f9974e06aa40e17" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pretty v0.6.0
[INFO] [stderr]   Downloaded typed-arena v1.5.0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "/opt/rustwide/cargo-home/bin/cargo" "+d93021f5faa26e4f9d2719e79f9974e06aa40e17" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7e1a9b2645e2d5b3bd0ef795e4ccd38dc8d543471213eb6c37888aedc04fd6a1
[INFO] running `"docker" "start" "-a" "7e1a9b2645e2d5b3bd0ef795e4ccd38dc8d543471213eb6c37888aedc04fd6a1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking typed-arena v1.5.0
[INFO] [stderr]    Compiling nom v5.0.1
[INFO] [stderr]    Compiling stackvector v1.0.6
[INFO] [stderr]    Compiling lexical-core v0.4.3
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking pretty v0.6.0
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling structopt-derive v0.3.1
[INFO] [stderr]     Checking structopt v0.3.1
[INFO] [stderr]     Checking m-o v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.13s
[INFO] running `"docker" "inspect" "7e1a9b2645e2d5b3bd0ef795e4ccd38dc8d543471213eb6c37888aedc04fd6a1"`
[INFO] running `"docker" "rm" "-f" "7e1a9b2645e2d5b3bd0ef795e4ccd38dc8d543471213eb6c37888aedc04fd6a1"`
[INFO] [stdout] 7e1a9b2645e2d5b3bd0ef795e4ccd38dc8d543471213eb6c37888aedc04fd6a1