[INFO] fetching crate mmarinus 0.4.0...
[INFO] checking mmarinus-0.4.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate mmarinus 0.4.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate mmarinus 0.4.0 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] started tweaking crates.io crate mmarinus 0.4.0
[INFO] finished tweaking crates.io crate mmarinus 0.4.0
[INFO] tweaked toml for crates.io crate mmarinus 0.4.0 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 2 packages to latest compatible versions
[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] 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] 35c2771d335821fc60d76b927620d23ec26ac71dea6d29aa5fe3ceb385638c1b
[INFO] running `Command { std: "docker" "start" "-a" "35c2771d335821fc60d76b927620d23ec26ac71dea6d29aa5fe3ceb385638c1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35c2771d335821fc60d76b927620d23ec26ac71dea6d29aa5fe3ceb385638c1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35c2771d335821fc60d76b927620d23ec26ac71dea6d29aa5fe3ceb385638c1b", kill_on_drop: false }`
[INFO] [stdout] 35c2771d335821fc60d76b927620d23ec26ac71dea6d29aa5fe3ceb385638c1b
[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] b2dfc6c45297db66a3fea105b6762daaa9676e4a874748a322b28d73a8fd57a9
[INFO] running `Command { std: "docker" "start" "-a" "b2dfc6c45297db66a3fea105b6762daaa9676e4a874748a322b28d73a8fd57a9", kill_on_drop: false }`
[INFO] [stderr]     Checking mmarinus v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Executable` is never used
[INFO] [stdout]   --> src/map.rs:35:11
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub trait Executable: Known {}
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Executable` is never used
[INFO] [stdout]   --> src/map.rs:35:11
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub trait Executable: Known {}
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "b2dfc6c45297db66a3fea105b6762daaa9676e4a874748a322b28d73a8fd57a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2dfc6c45297db66a3fea105b6762daaa9676e4a874748a322b28d73a8fd57a9", kill_on_drop: false }`
[INFO] [stdout] b2dfc6c45297db66a3fea105b6762daaa9676e4a874748a322b28d73a8fd57a9