[INFO] fetching crate rustidy-util 0.1.0...
[INFO] checking rustidy-util-0.1.0 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] extracting crate rustidy-util 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rustidy-util 0.1.0
[INFO] finished tweaking crates.io crate rustidy-util 0.1.0
[INFO] tweaked toml for crates.io crate rustidy-util 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustidy-util 0.1.0 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rustidy-util 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ee8e8dc28cf4e3096fae9a9fc70486c94469ba8de0b30d8c95d38cd32c50b69
[INFO] running `Command { std: "docker" "start" "-a" "3ee8e8dc28cf4e3096fae9a9fc70486c94469ba8de0b30d8c95d38cd32c50b69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ee8e8dc28cf4e3096fae9a9fc70486c94469ba8de0b30d8c95d38cd32c50b69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ee8e8dc28cf4e3096fae9a9fc70486c94469ba8de0b30d8c95d38cd32c50b69", kill_on_drop: false }`
[INFO] [stdout] 3ee8e8dc28cf4e3096fae9a9fc70486c94469ba8de0b30d8c95d38cd32c50b69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80d882d821bf777c16528714073a7c614e70f47edb3818d38966f1765eb17dc0
[INFO] running `Command { std: "docker" "start" "-a" "80d882d821bf777c16528714073a7c614e70f47edb3818d38966f1765eb17dc0", kill_on_drop: false }`
[INFO] [stderr]     Checking arcstr v1.2.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling strum_macros v0.28.0
[INFO] [stderr]    Compiling derive_more-impl v2.1.1
[INFO] [stderr]    Compiling extend v1.2.0
[INFO] [stderr]     Checking strum v0.28.0
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking derive_more v2.1.1
[INFO] [stderr]     Checking rustidy-util v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `if_let_guard` has been stable since 1.95.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:8:2
[INFO] [stdout]   |
[INFO] [stdout] 8 |     if_let_guard,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `if_let_guard` has been stable since 1.95.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:8:2
[INFO] [stdout]   |
[INFO] [stdout] 8 |     if_let_guard,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `iter_advance_by` is declared but not used
[INFO] [stdout]  --> src/lib.rs:5:2
[INFO] [stdout]   |
[INFO] [stdout] 5 |     iter_advance_by,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `iter_advance_by` is declared but not used
[INFO] [stdout]  --> src/lib.rs:5:2
[INFO] [stdout]   |
[INFO] [stdout] 5 |     iter_advance_by,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.11s
[INFO] running `Command { std: "docker" "inspect" "80d882d821bf777c16528714073a7c614e70f47edb3818d38966f1765eb17dc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80d882d821bf777c16528714073a7c614e70f47edb3818d38966f1765eb17dc0", kill_on_drop: false }`
[INFO] [stdout] 80d882d821bf777c16528714073a7c614e70f47edb3818d38966f1765eb17dc0
