[INFO] fetching crate prototk 0.13.0...
[INFO] checking prototk-0.13.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate prototk 0.13.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate prototk 0.13.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate prototk 0.13.0
[INFO] tweaked toml for crates.io crate prototk 0.13.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate prototk 0.13.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate prototk 0.13.0 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prototk_derive v0.13.0
[INFO] [stderr]   Downloaded zerror v0.8.0
[INFO] [stderr]   Downloaded buffertk v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24276b2eacac5561fe97833669acc9c1a589f8e484d7b9ed66c9a985c75f4e57
[INFO] running `Command { std: "docker" "start" "-a" "24276b2eacac5561fe97833669acc9c1a589f8e484d7b9ed66c9a985c75f4e57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24276b2eacac5561fe97833669acc9c1a589f8e484d7b9ed66c9a985c75f4e57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24276b2eacac5561fe97833669acc9c1a589f8e484d7b9ed66c9a985c75f4e57", kill_on_drop: false }`
[INFO] [stdout] 24276b2eacac5561fe97833669acc9c1a589f8e484d7b9ed66c9a985c75f4e57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72cb981e013e1033593352995e3ce810cbd81bfce6d41ecd1ceb0796b2fca160
[INFO] running `Command { std: "docker" "start" "-a" "72cb981e013e1033593352995e3ce810cbd81bfce6d41ecd1ceb0796b2fca160", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling buffertk v0.13.0
[INFO] [stderr]     Checking zerror v0.8.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling prototk_derive v0.13.0
[INFO] [stderr]     Checking prototk v0.13.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Bar` is never constructed
[INFO] [stdout]   --> tests/result.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Bar {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.50s
[INFO] running `Command { std: "docker" "inspect" "72cb981e013e1033593352995e3ce810cbd81bfce6d41ecd1ceb0796b2fca160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72cb981e013e1033593352995e3ce810cbd81bfce6d41ecd1ceb0796b2fca160", kill_on_drop: false }`
[INFO] [stdout] 72cb981e013e1033593352995e3ce810cbd81bfce6d41ecd1ceb0796b2fca160