[INFO] fetching crate mc-build-rs 0.1.0...
[INFO] checking mc-build-rs-0.1.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate mc-build-rs 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate mc-build-rs 0.1.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate mc-build-rs 0.1.0
[INFO] finished tweaking crates.io crate mc-build-rs 0.1.0
[INFO] tweaked toml for crates.io crate mc-build-rs 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 68 packages to latest compatible versions
[INFO] [stderr]       Adding idna v0.5.0 (latest: v1.0.2)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.13.0)
[INFO] [stderr]       Adding mockall v0.11.4 (latest: v0.13.0)
[INFO] [stderr]       Adding mockall_derive v0.11.4 (latest: v0.13.0)
[INFO] [stderr]       Adding predicates v2.1.5 (latest: v3.1.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] [stderr]       Adding termtree v0.4.1 (latest: v0.5.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fluent-asserter v0.1.9
[INFO] [stderr]   Downloaded cargo-emit v0.2.1
[INFO] [stderr]   Downloaded mockall_double v0.3.1
[INFO] [stderr]   Downloaded temp-env v0.3.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 123d3339f60344657f7a201487177ab03acbd0ea0bb540aa8250f22cb7734b04
[INFO] running `Command { std: "docker" "start" "-a" "123d3339f60344657f7a201487177ab03acbd0ea0bb540aa8250f22cb7734b04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "123d3339f60344657f7a201487177ab03acbd0ea0bb540aa8250f22cb7734b04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "123d3339f60344657f7a201487177ab03acbd0ea0bb540aa8250f22cb7734b04", kill_on_drop: false }`
[INFO] [stdout] 123d3339f60344657f7a201487177ab03acbd0ea0bb540aa8250f22cb7734b04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf22c6c7e3d89364f6f34f030c9c70e02632c08bfdfc930d8bf1b9dfac82c766
[INFO] running `Command { std: "docker" "start" "-a" "cf22c6c7e3d89364f6f34f030c9c70e02632c08bfdfc930d8bf1b9dfac82c766", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking predicates-core v1.0.8
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking cargo-emit v0.2.1
[INFO] [stderr]     Checking downcast v0.11.0
[INFO] [stderr]     Checking fragile v2.0.0
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking temp-env v0.3.6
[INFO] [stderr]     Checking predicates-tree v1.0.11
[INFO] [stderr]     Checking predicates v2.1.5
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking fluent-asserter v0.1.9
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling mockall_double v0.3.1
[INFO] [stderr]     Checking mc-build-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling mockall_derive v0.11.4
[INFO] [stderr]     Checking mockall v0.11.4
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.79s
[INFO] running `Command { std: "docker" "inspect" "cf22c6c7e3d89364f6f34f030c9c70e02632c08bfdfc930d8bf1b9dfac82c766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf22c6c7e3d89364f6f34f030c9c70e02632c08bfdfc930d8bf1b9dfac82c766", kill_on_drop: false }`
[INFO] [stdout] cf22c6c7e3d89364f6f34f030c9c70e02632c08bfdfc930d8bf1b9dfac82c766