[INFO] cloning repository https://github.com/denoland/rusty_v8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/denoland/rusty_v8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdenoland%2Frusty_v8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdenoland%2Frusty_v8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2f5d86af825151dbdee366e34948e77a25d753d
[INFO] checking denoland/rusty_v8 against try#1c5262aa6c045a581fb974488793f09ed51fc498 for pr-78376
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdenoland%2Frusty_v8" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/denoland/rusty_v8 on toolchain 1c5262aa6c045a581fb974488793f09ed51fc498
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/denoland/rusty_v8
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/denoland/rusty_v8
[INFO] tweaked toml for git repo https://github.com/denoland/rusty_v8 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/denoland/rusty_v8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cargo_gn v0.0.15
[INFO] [stderr]   Downloaded proc-macro2 v1.0.20
[INFO] [stderr]   Downloaded serde_derive v1.0.115
[INFO] [stderr]   Downloaded trybuild v1.0.33
[INFO] [stderr]   Downloaded serde v1.0.115
[INFO] [stderr]   Downloaded libc v0.2.76
[INFO] [stderr]   Downloaded which v4.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1c5262aa6c045a581fb974488793f09ed51fc498" "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] cc7ffa812eac7f8d50014e52098c69f39c6ba06a76a8c8d40b7470c6f257d387
[INFO] running `Command { std: "docker" "start" "-a" "cc7ffa812eac7f8d50014e52098c69f39c6ba06a76a8c8d40b7470c6f257d387", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc7ffa812eac7f8d50014e52098c69f39c6ba06a76a8c8d40b7470c6f257d387", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc7ffa812eac7f8d50014e52098c69f39c6ba06a76a8c8d40b7470c6f257d387", kill_on_drop: false }`
[INFO] [stdout] cc7ffa812eac7f8d50014e52098c69f39c6ba06a76a8c8d40b7470c6f257d387
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1c5262aa6c045a581fb974488793f09ed51fc498" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] e116864e71c7346108306fb100158fd9a73532aa5c7f81c1864ad7dfd91aeb5d
[INFO] running `Command { std: "docker" "start" "-a" "e116864e71c7346108306fb100158fd9a73532aa5c7f81c1864ad7dfd91aeb5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling cargo_gn v0.0.15
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling which v4.0.2
[INFO] [stderr]    Compiling rusty_v8 v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking trybuild v1.0.33
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.49s
[INFO] running `Command { std: "docker" "inspect" "e116864e71c7346108306fb100158fd9a73532aa5c7f81c1864ad7dfd91aeb5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e116864e71c7346108306fb100158fd9a73532aa5c7f81c1864ad7dfd91aeb5d", kill_on_drop: false }`
[INFO] [stdout] e116864e71c7346108306fb100158fd9a73532aa5c7f81c1864ad7dfd91aeb5d