[INFO] fetching crate derive_weak 0.1.0...
[INFO] checking derive_weak-0.1.0 against eff8269f797067c30555e77f160ec84c0ed15cd9 for pr-159356
[INFO] extracting crate derive_weak 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate derive_weak 0.1.0
[INFO] finished tweaking crates.io crate derive_weak 0.1.0
[INFO] tweaked toml for crates.io crate derive_weak 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate derive_weak 0.1.0 on toolchain eff8269f797067c30555e77f160ec84c0ed15cd9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eff8269f797067c30555e77f160ec84c0ed15cd9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate derive_weak 0.1.0 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" "+eff8269f797067c30555e77f160ec84c0ed15cd9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.18
[INFO] [stderr]   Downloaded unicode-ident v1.0.0
[INFO] [stderr]   Downloaded async_object v0.1.2
[INFO] [stderr]   Downloaded futures-task v0.3.21
[INFO] [stderr]   Downloaded proc-macro2 v1.0.39
[INFO] [stderr]   Downloaded slab v0.4.6
[INFO] [stderr]   Downloaded futures-macro v0.3.21
[INFO] [stderr]   Downloaded futures-channel v0.3.21
[INFO] [stderr]   Downloaded futures-sink v0.3.21
[INFO] [stderr]   Downloaded futures-executor v0.3.21
[INFO] [stderr]   Downloaded futures v0.3.21
[INFO] [stderr]   Downloaded syn v1.0.95
[INFO] [stderr]   Downloaded futures-util v0.3.21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c36f533e8924a726b63f9d01e781fa8c8c28c96d1d595403829afb31452ee0f5" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 8bdae7f29710501e777866c0628f1d75ae9d15953195e49060ee86ceb59a65a2
[INFO] running `Command { std: "docker" "start" "8bdae7f29710501e777866c0628f1d75ae9d15953195e49060ee86ceb59a65a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bdae7f29710501e777866c0628f1d75ae9d15953195e49060ee86ceb59a65a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8bdae7f29710501e777866c0628f1d75ae9d15953195e49060ee86ceb59a65a2" "/opt/rustwide/cargo-home/bin/cargo" "+eff8269f797067c30555e77f160ec84c0ed15cd9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bdae7f29710501e777866c0628f1d75ae9d15953195e49060ee86ceb59a65a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8bdae7f29710501e777866c0628f1d75ae9d15953195e49060ee86ceb59a65a2" "/opt/rustwide/cargo-home/bin/cargo" "+eff8269f797067c30555e77f160ec84c0ed15cd9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking derive_weak v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking async_object v0.1.2
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.53s
[INFO] running `Command { std: "docker" "inspect" "8bdae7f29710501e777866c0628f1d75ae9d15953195e49060ee86ceb59a65a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bdae7f29710501e777866c0628f1d75ae9d15953195e49060ee86ceb59a65a2", kill_on_drop: false }`
[INFO] [stdout] 8bdae7f29710501e777866c0628f1d75ae9d15953195e49060ee86ceb59a65a2
