[INFO] cloning repository https://github.com/jaynus/insight
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jaynus/insight" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaynus%2Finsight", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaynus%2Finsight'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f30c8408917de94e38415fd3ee5029db22de3147
[INFO] checking jaynus/insight against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaynus%2Finsight" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jaynus/insight on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jaynus/insight
[INFO] finished tweaking git repo https://github.com/jaynus/insight
[INFO] tweaked toml for git repo https://github.com/jaynus/insight written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/jaynus/insight already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 448b993a4b1356e69f5621a633e0fa2ca5be1f28d96b02239c68ae5b244a4280
[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" "448b993a4b1356e69f5621a633e0fa2ca5be1f28d96b02239c68ae5b244a4280", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "448b993a4b1356e69f5621a633e0fa2ca5be1f28d96b02239c68ae5b244a4280", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "448b993a4b1356e69f5621a633e0fa2ca5be1f28d96b02239c68ae5b244a4280", kill_on_drop: false }`
[INFO] [stdout] 448b993a4b1356e69f5621a633e0fa2ca5be1f28d96b02239c68ae5b244a4280
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76471b88906612474ec90ec61ac8ea29c02bd4ccf8f53924c82880b0fd453e61
[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" "76471b88906612474ec90ec61ac8ea29c02bd4ccf8f53924c82880b0fd453e61", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking arrayvec v0.4.10
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking crossbeam v0.7.1
[INFO] [stderr]     Checking quote v0.6.12
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking syn v0.15.34
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking slog-term v2.4.0
[INFO] [stderr]     Checking insight_derive v0.1.0 (/opt/rustwide/workdir/insight_derive)
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]  --> insight_derive/src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking insight v0.1.0 (/opt/rustwide/workdir/insight)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.43s
[INFO] running `Command { std: "docker" "inspect" "76471b88906612474ec90ec61ac8ea29c02bd4ccf8f53924c82880b0fd453e61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76471b88906612474ec90ec61ac8ea29c02bd4ccf8f53924c82880b0fd453e61", kill_on_drop: false }`
[INFO] [stdout] 76471b88906612474ec90ec61ac8ea29c02bd4ccf8f53924c82880b0fd453e61