[INFO] cloning repository https://github.com/eignnx/m-o
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eignnx/m-o" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feignnx%2Fm-o", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feignnx%2Fm-o'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9da13d51a263f80b0f6b76bfd96778f39cc6a420
[INFO] checking eignnx/m-o against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feignnx%2Fm-o" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eignnx/m-o on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eignnx/m-o
[INFO] finished tweaking git repo https://github.com/eignnx/m-o
[INFO] tweaked toml for git repo https://github.com/eignnx/m-o written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/eignnx/m-o already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded typed-arena v1.5.0
[INFO] [stderr]   Downloaded pretty v0.6.0
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c8d4e8a2cadf7a40b1f5ce3f0393af0bf27e9eaed05c5da54ca6f4e99c0aac6
[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" "0c8d4e8a2cadf7a40b1f5ce3f0393af0bf27e9eaed05c5da54ca6f4e99c0aac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c8d4e8a2cadf7a40b1f5ce3f0393af0bf27e9eaed05c5da54ca6f4e99c0aac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c8d4e8a2cadf7a40b1f5ce3f0393af0bf27e9eaed05c5da54ca6f4e99c0aac6", kill_on_drop: false }`
[INFO] [stdout] 0c8d4e8a2cadf7a40b1f5ce3f0393af0bf27e9eaed05c5da54ca6f4e99c0aac6
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 916c4d767dc74d4651fdb0d15e95a3863460e3aa01c8e480df2cdeec9fc9f0a2
[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" "916c4d767dc74d4651fdb0d15e95a3863460e3aa01c8e480df2cdeec9fc9f0a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking typed-arena v1.5.0
[INFO] [stderr]    Compiling nom v5.0.1
[INFO] [stderr]    Compiling lexical-core v0.4.3
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.2
[INFO] [stderr]     Checking pretty v0.6.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking regex v1.3.1
[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 29.74s
[INFO] running `Command { std: "docker" "inspect" "916c4d767dc74d4651fdb0d15e95a3863460e3aa01c8e480df2cdeec9fc9f0a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "916c4d767dc74d4651fdb0d15e95a3863460e3aa01c8e480df2cdeec9fc9f0a2", kill_on_drop: false }`
[INFO] [stdout] 916c4d767dc74d4651fdb0d15e95a3863460e3aa01c8e480df2cdeec9fc9f0a2