[INFO] fetching crate io_utils 0.3.2...
[INFO] checking io_utils-0.3.2 against try#0c7fed2b7584d310ca8221267fa1b3bec4df427f for pr-133502-4
[INFO] extracting crate io_utils 0.3.2 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate io_utils 0.3.2 on toolchain 0c7fed2b7584d310ca8221267fa1b3bec4df427f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate io_utils 0.3.2
[INFO] finished tweaking crates.io crate io_utils 0.3.2
[INFO] tweaked toml for crates.io crate io_utils 0.3.2 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" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 21 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v2.0.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29b2d3942b3ec1b1796001bf0b8949419bb0315dfcf7b8ce8dbc1b34afa767aa
[INFO] running `Command { std: "docker" "start" "-a" "29b2d3942b3ec1b1796001bf0b8949419bb0315dfcf7b8ce8dbc1b34afa767aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29b2d3942b3ec1b1796001bf0b8949419bb0315dfcf7b8ce8dbc1b34afa767aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29b2d3942b3ec1b1796001bf0b8949419bb0315dfcf7b8ce8dbc1b34afa767aa", kill_on_drop: false }`
[INFO] [stdout] 29b2d3942b3ec1b1796001bf0b8949419bb0315dfcf7b8ce8dbc1b34afa767aa
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8b7e630f6570045c6420fb013255474d9a5039ed353d5762417490208f17aa2
[INFO] running `Command { std: "docker" "start" "-a" "a8b7e630f6570045c6420fb013255474d9a5039ed353d5762417490208f17aa2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]     Checking permutation v0.2.5
[INFO] [stderr]     Checking superslice v1.0.0
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking miniz_oxide v0.8.8
[INFO] [stderr]     Checking vector_utils v0.1.5
[INFO] [stderr]    Compiling cc v1.2.19
[INFO] [stderr]     Checking string_utils v0.1.4
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking flate2 v1.1.1
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling lz4-sys v1.11.1+lz4-1.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking lz4 v1.28.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking io_utils v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 45.86s
[INFO] running `Command { std: "docker" "inspect" "a8b7e630f6570045c6420fb013255474d9a5039ed353d5762417490208f17aa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8b7e630f6570045c6420fb013255474d9a5039ed353d5762417490208f17aa2", kill_on_drop: false }`
[INFO] [stdout] a8b7e630f6570045c6420fb013255474d9a5039ed353d5762417490208f17aa2