[INFO] cloning repository https://github.com/gregfolker/rust-generics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gregfolker/rust-generics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregfolker%2Frust-generics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregfolker%2Frust-generics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 017cfc17d7101706e079fcab5e88c74ef6040d24
[INFO] checking gregfolker/rust-generics against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregfolker%2Frust-generics" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gregfolker/rust-generics on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gregfolker/rust-generics
[INFO] finished tweaking git repo https://github.com/gregfolker/rust-generics
[INFO] tweaked toml for git repo https://github.com/gregfolker/rust-generics written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/gregfolker/rust-generics already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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] d66db9af6e4b3b88861add8dd6357acb1cbfe49677f45ebe9758aff2bdb84f9c
[INFO] running `Command { std: "docker" "start" "-a" "d66db9af6e4b3b88861add8dd6357acb1cbfe49677f45ebe9758aff2bdb84f9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d66db9af6e4b3b88861add8dd6357acb1cbfe49677f45ebe9758aff2bdb84f9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d66db9af6e4b3b88861add8dd6357acb1cbfe49677f45ebe9758aff2bdb84f9c", kill_on_drop: false }`
[INFO] [stdout] d66db9af6e4b3b88861add8dd6357acb1cbfe49677f45ebe9758aff2bdb84f9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd037312c2ea6b9a90399f0beb97dcc9c2f54ee681fbd3eff0d322ecc6a8e6ac
[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" "fd037312c2ea6b9a90399f0beb97dcc9c2f54ee681fbd3eff0d322ecc6a8e6ac", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-generics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "fd037312c2ea6b9a90399f0beb97dcc9c2f54ee681fbd3eff0d322ecc6a8e6ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd037312c2ea6b9a90399f0beb97dcc9c2f54ee681fbd3eff0d322ecc6a8e6ac", kill_on_drop: false }`
[INFO] [stdout] fd037312c2ea6b9a90399f0beb97dcc9c2f54ee681fbd3eff0d322ecc6a8e6ac