[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] 3f24f7cbcfe293d27ece3075a1283444ff50d7c6
[INFO] checking ogham/exa against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fogham%2Fexa" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ogham/exa on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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-6/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8be710e5bd6e78943b378e0961792927035b087b9e352114d8eaac45beb16ab3
[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" "8be710e5bd6e78943b378e0961792927035b087b9e352114d8eaac45beb16ab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8be710e5bd6e78943b378e0961792927035b087b9e352114d8eaac45beb16ab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8be710e5bd6e78943b378e0961792927035b087b9e352114d8eaac45beb16ab3", kill_on_drop: false }`
[INFO] [stdout] 8be710e5bd6e78943b378e0961792927035b087b9e352114d8eaac45beb16ab3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b07dcfc3c1a4e4c9c4847d39575c3572eb08a9fbd939976737666b0f5bb7001
[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" "8b07dcfc3c1a4e4c9c4847d39575c3572eb08a9fbd939976737666b0f5bb7001", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking natord v1.0.9
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]    Compiling pad v0.1.6
[INFO] [stderr]     Checking term_grid v0.1.7
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling locale v0.2.2
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking users v0.11.0
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]    Compiling datetime v0.5.2
[INFO] [stderr]    Compiling exa v0.10.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling libgit2-sys v0.12.21+1.1.0
[INFO] [stderr]     Checking zoneinfo_compiled v0.5.1
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]     Checking git2 v0.13.20
[INFO] [stderr]     Finished dev [unoptimized] target(s) in 43.90s
[INFO] running `Command { std: "docker" "inspect" "8b07dcfc3c1a4e4c9c4847d39575c3572eb08a9fbd939976737666b0f5bb7001", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b07dcfc3c1a4e4c9c4847d39575c3572eb08a9fbd939976737666b0f5bb7001", kill_on_drop: false }`
[INFO] [stdout] 8b07dcfc3c1a4e4c9c4847d39575c3572eb08a9fbd939976737666b0f5bb7001