[INFO] fetching crate dedenne 0.1.0...
[INFO] checking dedenne-0.1.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate dedenne 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate dedenne 0.1.0
[INFO] finished tweaking crates.io crate dedenne 0.1.0
[INFO] tweaked toml for crates.io crate dedenne 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dedenne 0.1.0 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 dedenne 0.1.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b7e7191944fac31d007f0fc45d9a5101dfde6f3465e34e8716e9fe253190c49d
[INFO] running `Command { std: "docker" "start" "-a" "b7e7191944fac31d007f0fc45d9a5101dfde6f3465e34e8716e9fe253190c49d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7e7191944fac31d007f0fc45d9a5101dfde6f3465e34e8716e9fe253190c49d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7e7191944fac31d007f0fc45d9a5101dfde6f3465e34e8716e9fe253190c49d", kill_on_drop: false }`
[INFO] [stdout] b7e7191944fac31d007f0fc45d9a5101dfde6f3465e34e8716e9fe253190c49d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2fb370e1dd69eaf0167cb5ec9cfc1ee1707544e2f9218e172823d13ed144535f
[INFO] running `Command { std: "docker" "start" "-a" "2fb370e1dd69eaf0167cb5ec9cfc1ee1707544e2f9218e172823d13ed144535f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.64
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling derive-debug v0.1.2
[INFO] [stderr]     Checking dedenne v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/iter.rs:112:21
[INFO] [stdout]     |
[INFO] [stdout] 112 |   ExhaustedIterator(StartedGenerator<Y, R, Q>),
[INFO] [stdout]     |   ----------------- ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 112 -   ExhaustedIterator(StartedGenerator<Y, R, Q>),
[INFO] [stdout] 112 +   ExhaustedIterator(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/iter.rs:112:21
[INFO] [stdout]     |
[INFO] [stdout] 112 |   ExhaustedIterator(StartedGenerator<Y, R, Q>),
[INFO] [stdout]     |   ----------------- ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 112 -   ExhaustedIterator(StartedGenerator<Y, R, Q>),
[INFO] [stdout] 112 +   ExhaustedIterator(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.61s
[INFO] running `Command { std: "docker" "inspect" "2fb370e1dd69eaf0167cb5ec9cfc1ee1707544e2f9218e172823d13ed144535f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fb370e1dd69eaf0167cb5ec9cfc1ee1707544e2f9218e172823d13ed144535f", kill_on_drop: false }`
[INFO] [stdout] 2fb370e1dd69eaf0167cb5ec9cfc1ee1707544e2f9218e172823d13ed144535f