[INFO] cloning repository https://github.com/hariamoor/hacker_hour_2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hariamoor/hacker_hour_2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhariamoor%2Fhacker_hour_2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhariamoor%2Fhacker_hour_2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d14113ed74d188d1130330fa25a8249150263bcc
[INFO] checking hariamoor/hacker_hour_2020 against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhariamoor%2Fhacker_hour_2020" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hariamoor/hacker_hour_2020 on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hariamoor/hacker_hour_2020
[INFO] finished tweaking git repo https://github.com/hariamoor/hacker_hour_2020
[INFO] tweaked toml for git repo https://github.com/hariamoor/hacker_hour_2020 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/hariamoor/hacker_hour_2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded recap v0.1.1
[INFO] [stderr]   Downloaded simple-error v0.2.1
[INFO] [stderr]   Downloaded recap-derive v0.1.1
[INFO] [stderr]   Downloaded envy v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6bc5027fec14f35e9ee30af4a03dd9d77fd66ec32114c873ed21f1fb5e9c181
[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" "f6bc5027fec14f35e9ee30af4a03dd9d77fd66ec32114c873ed21f1fb5e9c181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6bc5027fec14f35e9ee30af4a03dd9d77fd66ec32114c873ed21f1fb5e9c181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6bc5027fec14f35e9ee30af4a03dd9d77fd66ec32114c873ed21f1fb5e9c181", kill_on_drop: false }`
[INFO] [stdout] f6bc5027fec14f35e9ee30af4a03dd9d77fd66ec32114c873ed21f1fb5e9c181
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd524da31d91cb658ef93bacf52a43dcec3bb4838c379751b2e49d930cd9bd2b
[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" "cd524da31d91cb658ef93bacf52a43dcec3bb4838c379751b2e49d930cd9bd2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]     Checking simple-error v0.2.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling recap-derive v0.1.1
[INFO] [stderr]     Checking envy v0.4.1
[INFO] [stderr]     Checking recap v0.1.1
[INFO] [stderr]     Checking hacker_hour2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.53s
[INFO] running `Command { std: "docker" "inspect" "cd524da31d91cb658ef93bacf52a43dcec3bb4838c379751b2e49d930cd9bd2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd524da31d91cb658ef93bacf52a43dcec3bb4838c379751b2e49d930cd9bd2b", kill_on_drop: false }`
[INFO] [stdout] cd524da31d91cb658ef93bacf52a43dcec3bb4838c379751b2e49d930cd9bd2b