[INFO] fetching crate qcow 1.2.0...
[INFO] checking qcow-1.2.0 against try#24cd45d7714ba43afd4b8e62fb677b069b21c4a5 for pr-129543
[INFO] extracting crate qcow 1.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate qcow 1.2.0 on toolchain 24cd45d7714ba43afd4b8e62fb677b069b21c4a5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qcow 1.2.0
[INFO] finished tweaking crates.io crate qcow 1.2.0
[INFO] tweaked toml for crates.io crate qcow 1.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 31 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] [stderr]       Adding zstd v0.9.2+zstd.1.5.1 (latest: v0.13.2)
[INFO] [stderr]       Adding zstd-safe v4.1.3+zstd.1.5.1 (latest: v7.2.1)
[INFO] [stderr]       Adding zstd-sys v1.6.2+zstd.1.5.1 (latest: v2.0.13+zstd.1.5.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d6c9b0789386f710923ee26c7a7e1c52887659992b2d70bce5bf27451d4ca14
[INFO] running `Command { std: "docker" "start" "-a" "6d6c9b0789386f710923ee26c7a7e1c52887659992b2d70bce5bf27451d4ca14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d6c9b0789386f710923ee26c7a7e1c52887659992b2d70bce5bf27451d4ca14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d6c9b0789386f710923ee26c7a7e1c52887659992b2d70bce5bf27451d4ca14", kill_on_drop: false }`
[INFO] [stdout] 6d6c9b0789386f710923ee26c7a7e1c52887659992b2d70bce5bf27451d4ca14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00386306d8741d00566fa809011f95c26f6436ed3f7509109363da68c2135674
[INFO] running `Command { std: "docker" "start" "-a" "00386306d8741d00566fa809011f95c26f6436ed3f7509109363da68c2135674", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling zstd-safe v4.1.3+zstd.1.5.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling zstd-sys v1.6.2+zstd.1.5.1
[INFO] [stderr]    Compiling cmake v0.1.51
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling libz-sys v1.1.20
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]     Checking thiserror v1.0.63
[INFO] [stderr]    Compiling binread_derive v2.1.0
[INFO] [stderr]    Compiling modular-bitfield-impl v0.11.2
[INFO] [stderr]     Checking modular-bitfield v0.11.2
[INFO] [stderr]     Checking binread v2.2.0
[INFO] [stderr]     Checking flate2 v1.0.33
[INFO] [stderr]     Checking zstd v0.9.2+zstd.1.5.1
[INFO] [stderr]     Checking qcow v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.12s
[INFO] running `Command { std: "docker" "inspect" "00386306d8741d00566fa809011f95c26f6436ed3f7509109363da68c2135674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00386306d8741d00566fa809011f95c26f6436ed3f7509109363da68c2135674", kill_on_drop: false }`
[INFO] [stdout] 00386306d8741d00566fa809011f95c26f6436ed3f7509109363da68c2135674