[INFO] cloning repository https://github.com/UE2020/supergrid
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/UE2020/supergrid" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUE2020%2Fsupergrid", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUE2020%2Fsupergrid'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f7a9a945ddc2f6f1361741143663981c3c23ffe
[INFO] checking UE2020/supergrid against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUE2020%2Fsupergrid" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/UE2020/supergrid
[INFO] finished tweaking git repo https://github.com/UE2020/supergrid
[INFO] tweaked toml for git repo https://github.com/UE2020/supergrid written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/UE2020/supergrid on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/UE2020/supergrid 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa8b120d056bf8252c633609aa4bcaba061420741a975abb25773cdab170e2d6
[INFO] running `Command { std: "docker" "start" "-a" "fa8b120d056bf8252c633609aa4bcaba061420741a975abb25773cdab170e2d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa8b120d056bf8252c633609aa4bcaba061420741a975abb25773cdab170e2d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa8b120d056bf8252c633609aa4bcaba061420741a975abb25773cdab170e2d6", kill_on_drop: false }`
[INFO] [stdout] fa8b120d056bf8252c633609aa4bcaba061420741a975abb25773cdab170e2d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb650a1f8a9e89f9077cbc25020e68d83397fc88579a6fcd35ac8ec7fb5c685a
[INFO] running `Command { std: "docker" "start" "-a" "eb650a1f8a9e89f9077cbc25020e68d83397fc88579a6fcd35ac8ec7fb5c685a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]     Checking arrayvec v0.7.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking num-format v0.4.4
[INFO] [stderr]     Checking supergrid v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[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]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.40s
[INFO] running `Command { std: "docker" "inspect" "eb650a1f8a9e89f9077cbc25020e68d83397fc88579a6fcd35ac8ec7fb5c685a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb650a1f8a9e89f9077cbc25020e68d83397fc88579a6fcd35ac8ec7fb5c685a", kill_on_drop: false }`
[INFO] [stdout] eb650a1f8a9e89f9077cbc25020e68d83397fc88579a6fcd35ac8ec7fb5c685a