[INFO] cloning repository https://github.com/sciencefidelity/challenge [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sciencefidelity/challenge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsciencefidelity%2Fchallenge", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsciencefidelity%2Fchallenge'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2d9e02feda9980b49f4cb3a41987c6f3bd76dedc [INFO] checking sciencefidelity/challenge against try#8d46be77cd48fdbcced888d027457e2c9cf2aa16 for pr-142723 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsciencefidelity%2Fchallenge" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sciencefidelity/challenge on toolchain 8d46be77cd48fdbcced888d027457e2c9cf2aa16 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sciencefidelity/challenge [INFO] finished tweaking git repo https://github.com/sciencefidelity/challenge [INFO] tweaked toml for git repo https://github.com/sciencefidelity/challenge written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/sciencefidelity/challenge already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 248b42b86976bc81bba251bd1218a2ec8ed7332e84f9d2ed73843dc13f5d7f61 [INFO] running `Command { std: "docker" "start" "-a" "248b42b86976bc81bba251bd1218a2ec8ed7332e84f9d2ed73843dc13f5d7f61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "248b42b86976bc81bba251bd1218a2ec8ed7332e84f9d2ed73843dc13f5d7f61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "248b42b86976bc81bba251bd1218a2ec8ed7332e84f9d2ed73843dc13f5d7f61", kill_on_drop: false }` [INFO] [stdout] 248b42b86976bc81bba251bd1218a2ec8ed7332e84f9d2ed73843dc13f5d7f61 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 75e2cad24ea8d0fcc948e27684501193fef0ed99ab51c5b2aed7c858996d72f8 [INFO] running `Command { std: "docker" "start" "-a" "75e2cad24ea8d0fcc948e27684501193fef0ed99ab51c5b2aed7c858996d72f8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Checking b_tree v0.1.0 (/opt/rustwide/workdir/crates/b_tree) [INFO] [stderr] Checking utils v0.1.0 (/opt/rustwide/workdir/crates/utils) [INFO] [stderr] Checking linked v0.1.0 (/opt/rustwide/workdir/crates/linked) [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking challenge v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.87s [INFO] running `Command { std: "docker" "inspect" "75e2cad24ea8d0fcc948e27684501193fef0ed99ab51c5b2aed7c858996d72f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "75e2cad24ea8d0fcc948e27684501193fef0ed99ab51c5b2aed7c858996d72f8", kill_on_drop: false }` [INFO] [stdout] 75e2cad24ea8d0fcc948e27684501193fef0ed99ab51c5b2aed7c858996d72f8