[INFO] fetching crate viceroy 0.2.6...
[INFO] checking viceroy-0.2.6 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate viceroy 0.2.6 into /workspace/builds/worker-64/source
[INFO] validating manifest of crates.io crate viceroy 0.2.6 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate viceroy 0.2.6
[INFO] finished tweaking crates.io crate viceroy 0.2.6
[INFO] tweaked toml for crates.io crate viceroy 0.2.6 written to /workspace/builds/worker-64/source/Cargo.toml
[INFO] crate crates.io crate viceroy 0.2.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbf79e31455153da8817b8003d0b6bf75b038ab6e9db849ba01cd95ffce9528a
[INFO] running `Command { std: "docker" "start" "-a" "bbf79e31455153da8817b8003d0b6bf75b038ab6e9db849ba01cd95ffce9528a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbf79e31455153da8817b8003d0b6bf75b038ab6e9db849ba01cd95ffce9528a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbf79e31455153da8817b8003d0b6bf75b038ab6e9db849ba01cd95ffce9528a", kill_on_drop: false }`
[INFO] [stdout] bbf79e31455153da8817b8003d0b6bf75b038ab6e9db849ba01cd95ffce9528a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c6c6a92b63718069db6ec568837e6b2d8f18a3c7b2b91921a49a51a3ea7e027
[INFO] running `Command { std: "docker" "start" "-a" "8c6c6a92b63718069db6ec568837e6b2d8f18a3c7b2b91921a49a51a3ea7e027", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
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[INFO] [stderr]    Compiling zstd-sys v1.6.1+zstd.1.5.0
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[INFO] [stderr]    Compiling wiggle-generate v0.29.0
[INFO] [stderr]     Checking futures-executor v0.3.17
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[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]    Compiling wiggle-macro v0.29.0
[INFO] [stderr]     Checking cranelift-entity v0.76.0
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[INFO] [stderr]     Checking wasi-tokio v0.29.0
[INFO] [stderr]     Checking viceroy-lib v0.2.6
[INFO] [stderr]     Checking viceroy v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 32s
[INFO] running `Command { std: "docker" "inspect" "8c6c6a92b63718069db6ec568837e6b2d8f18a3c7b2b91921a49a51a3ea7e027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c6c6a92b63718069db6ec568837e6b2d8f18a3c7b2b91921a49a51a3ea7e027", kill_on_drop: false }`
[INFO] [stdout] 8c6c6a92b63718069db6ec568837e6b2d8f18a3c7b2b91921a49a51a3ea7e027