[INFO] cloning repository https://github.com/ogham/exa
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ogham/exa" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fogham%2Fexa", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fogham%2Fexa'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13b91cced4cab012413b25c9d3e30c63548639d0
[INFO] checking ogham/exa against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fogham%2Fexa" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ogham/exa on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ogham/exa
[INFO] finished tweaking git repo https://github.com/ogham/exa
[INFO] tweaked toml for git repo https://github.com/ogham/exa written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ogham/exa already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7accb12030ef26b79214cb9da02ea5c731699298de834297a566b0e916d3a615
[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" "7accb12030ef26b79214cb9da02ea5c731699298de834297a566b0e916d3a615", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7accb12030ef26b79214cb9da02ea5c731699298de834297a566b0e916d3a615", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7accb12030ef26b79214cb9da02ea5c731699298de834297a566b0e916d3a615", kill_on_drop: false }`
[INFO] [stdout] 7accb12030ef26b79214cb9da02ea5c731699298de834297a566b0e916d3a615
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 097f6afbf048383e7a943ce7051f2aeae0b0927ce67ced2bd20a94ec08e1ad3a
[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" "097f6afbf048383e7a943ce7051f2aeae0b0927ce67ced2bd20a94ec08e1ad3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking natord v1.0.9
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling locale v0.2.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking pad v0.1.6
[INFO] [stderr]     Checking term_grid v0.1.7
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]     Checking users v0.11.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling iso8601 v0.3.0
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling libgit2-sys v0.12.14+1.1.0
[INFO] [stderr]     Checking datetime v0.5.1
[INFO] [stderr]     Checking zoneinfo_compiled v0.5.0
[INFO] [stderr]    Compiling exa v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking git2 v0.13.11
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.23s
[INFO] running `Command { std: "docker" "inspect" "097f6afbf048383e7a943ce7051f2aeae0b0927ce67ced2bd20a94ec08e1ad3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "097f6afbf048383e7a943ce7051f2aeae0b0927ce67ced2bd20a94ec08e1ad3a", kill_on_drop: false }`
[INFO] [stdout] 097f6afbf048383e7a943ce7051f2aeae0b0927ce67ced2bd20a94ec08e1ad3a