[INFO] fetching crate act2 0.1.2...
[INFO] checking act2-0.1.2 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate act2 0.1.2 into /workspace/builds/worker-50/source
[INFO] validating manifest of crates.io crate act2 0.1.2 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate act2 0.1.2
[INFO] finished tweaking crates.io crate act2 0.1.2
[INFO] tweaked toml for crates.io crate act2 0.1.2 written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] crate crates.io crate act2 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2298d41ad17c9adb58ba02fcd77e189a680bf9d031104b838cabf2411e6ad68b
[INFO] running `Command { std: "docker" "start" "-a" "2298d41ad17c9adb58ba02fcd77e189a680bf9d031104b838cabf2411e6ad68b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2298d41ad17c9adb58ba02fcd77e189a680bf9d031104b838cabf2411e6ad68b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2298d41ad17c9adb58ba02fcd77e189a680bf9d031104b838cabf2411e6ad68b", kill_on_drop: false }`
[INFO] [stdout] 2298d41ad17c9adb58ba02fcd77e189a680bf9d031104b838cabf2411e6ad68b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ac5ec4e31cf11af01fa70c19a964ff9e20ce6a9726ce92c604db64b79ee99d1
[INFO] running `Command { std: "docker" "start" "-a" "6ac5ec4e31cf11af01fa70c19a964ff9e20ce6a9726ce92c604db64b79ee99d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.45
[INFO] [stderr]     Checking act2 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 33s
[INFO] running `Command { std: "docker" "inspect" "6ac5ec4e31cf11af01fa70c19a964ff9e20ce6a9726ce92c604db64b79ee99d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ac5ec4e31cf11af01fa70c19a964ff9e20ce6a9726ce92c604db64b79ee99d1", kill_on_drop: false }`
[INFO] [stdout] 6ac5ec4e31cf11af01fa70c19a964ff9e20ce6a9726ce92c604db64b79ee99d1
