[INFO] cloning repository https://github.com/1t2t3t4t/fretour_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/1t2t3t4t/fretour_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1t2t3t4t%2Ffretour_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1t2t3t4t%2Ffretour_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7ac03cfad4844c835bd38a28861278800e48cc2
[INFO] checking 1t2t3t4t/fretour_rust against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1t2t3t4t%2Ffretour_rust" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/1t2t3t4t/fretour_rust on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/1t2t3t4t/fretour_rust
[INFO] finished tweaking git repo https://github.com/1t2t3t4t/fretour_rust
[INFO] tweaked toml for git repo https://github.com/1t2t3t4t/fretour_rust written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/1t2t3t4t/fretour_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 025df0a79049a38bb59e64236e648d0da837e51bd7ea3fcc83b33122594a952c
[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" "025df0a79049a38bb59e64236e648d0da837e51bd7ea3fcc83b33122594a952c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "025df0a79049a38bb59e64236e648d0da837e51bd7ea3fcc83b33122594a952c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "025df0a79049a38bb59e64236e648d0da837e51bd7ea3fcc83b33122594a952c", kill_on_drop: false }`
[INFO] [stdout] 025df0a79049a38bb59e64236e648d0da837e51bd7ea3fcc83b33122594a952c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ef403b2ba583eaef8c5eccb4f7ea4318fa96a05f0c05ce0bd26214f69cb6df9
[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" "2ef403b2ba583eaef8c5eccb4f7ea4318fa96a05f0c05ce0bd26214f69cb6df9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking fretour_rust v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.68s
[INFO] running `Command { std: "docker" "inspect" "2ef403b2ba583eaef8c5eccb4f7ea4318fa96a05f0c05ce0bd26214f69cb6df9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ef403b2ba583eaef8c5eccb4f7ea4318fa96a05f0c05ce0bd26214f69cb6df9", kill_on_drop: false }`
[INFO] [stdout] 2ef403b2ba583eaef8c5eccb4f7ea4318fa96a05f0c05ce0bd26214f69cb6df9