[INFO] cloning repository https://github.com/maxbeutel/hough-transform-explained
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maxbeutel/hough-transform-explained" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxbeutel%2Fhough-transform-explained", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxbeutel%2Fhough-transform-explained'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f487faa92ef33f08c7531fe6a8cd0af9032ea227
[INFO] checking maxbeutel/hough-transform-explained against try#ff4041081a39fb2e940a03a55f86a4ad0b37d26a for pr-80763
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxbeutel%2Fhough-transform-explained" "/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/maxbeutel/hough-transform-explained on toolchain ff4041081a39fb2e940a03a55f86a4ad0b37d26a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff4041081a39fb2e940a03a55f86a4ad0b37d26a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/maxbeutel/hough-transform-explained
[INFO] finished tweaking git repo https://github.com/maxbeutel/hough-transform-explained
[INFO] tweaked toml for git repo https://github.com/maxbeutel/hough-transform-explained written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/maxbeutel/hough-transform-explained already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff4041081a39fb2e940a03a55f86a4ad0b37d26a" "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" "+ff4041081a39fb2e940a03a55f86a4ad0b37d26a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7877540af1127c6740d4c29dd1d1cac8cdc5c0bcc826bb3dd104f6030265db55
[INFO] running `Command { std: "docker" "start" "-a" "7877540af1127c6740d4c29dd1d1cac8cdc5c0bcc826bb3dd104f6030265db55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7877540af1127c6740d4c29dd1d1cac8cdc5c0bcc826bb3dd104f6030265db55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7877540af1127c6740d4c29dd1d1cac8cdc5c0bcc826bb3dd104f6030265db55", kill_on_drop: false }`
[INFO] [stdout] 7877540af1127c6740d4c29dd1d1cac8cdc5c0bcc826bb3dd104f6030265db55
[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" "+ff4041081a39fb2e940a03a55f86a4ad0b37d26a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffca2ef81b2ffb838000ed2ed269e890428dd73002c5b1c2642fe77cb462656f
[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" "ffca2ef81b2ffb838000ed2ed269e890428dd73002c5b1c2642fe77cb462656f", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.17
[INFO] [stderr]    Compiling gcc v0.3.38
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking inflate v0.1.1
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking num-complex v0.1.35
[INFO] [stderr]     Checking gif v0.9.0
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]     Checking num_cpus v1.1.0
[INFO] [stderr]    Compiling miniz-sys v0.1.7
[INFO] [stderr]     Checking num-bigint v0.1.35
[INFO] [stderr]     Checking deque v0.3.1
[INFO] [stderr]     Checking rayon v0.5.0
[INFO] [stderr]     Checking flate2 v0.2.14
[INFO] [stderr]     Checking num-rational v0.1.35
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stderr]     Checking jpeg-decoder v0.1.8
[INFO] [stderr]     Checking enum_primitive v0.1.0
[INFO] [stderr]     Checking nalgebra v0.10.1
[INFO] [stderr]     Checking png v0.5.2
[INFO] [stderr]     Checking image v0.10.3
[INFO] [stderr]     Checking hough-transform-explained v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.42s
[INFO] running `Command { std: "docker" "inspect" "ffca2ef81b2ffb838000ed2ed269e890428dd73002c5b1c2642fe77cb462656f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffca2ef81b2ffb838000ed2ed269e890428dd73002c5b1c2642fe77cb462656f", kill_on_drop: false }`
[INFO] [stdout] ffca2ef81b2ffb838000ed2ed269e890428dd73002c5b1c2642fe77cb462656f