[INFO] fetching crate env-extract 0.1.22...
[INFO] checking env-extract-0.1.22 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate env-extract 0.1.22 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate env-extract 0.1.22
[INFO] finished tweaking crates.io crate env-extract 0.1.22
[INFO] tweaked toml for crates.io crate env-extract 0.1.22 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate env-extract 0.1.22 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c0391f7d8eaed9cd1786cfa8031841fbe12cdabaa451d008a8a37a1391692c5
[INFO] running `Command { std: "docker" "start" "-a" "6c0391f7d8eaed9cd1786cfa8031841fbe12cdabaa451d008a8a37a1391692c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c0391f7d8eaed9cd1786cfa8031841fbe12cdabaa451d008a8a37a1391692c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c0391f7d8eaed9cd1786cfa8031841fbe12cdabaa451d008a8a37a1391692c5", kill_on_drop: false }`
[INFO] [stdout] 6c0391f7d8eaed9cd1786cfa8031841fbe12cdabaa451d008a8a37a1391692c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 956d8cc43f8adbb03596c76025aa3ff13f88912c45036b591e3c66e0211bf995
[INFO] running `Command { std: "docker" "start" "-a" "956d8cc43f8adbb03596c76025aa3ff13f88912c45036b591e3c66e0211bf995", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking env-extract v0.1.22 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:453:56
[INFO] [stdout]     |
[INFO] [stdout] 453 |                         if let Some(_attr) = attributes.clone().iter().find(|attr| {
[INFO] [stdout]     |                                                        ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `[Attribute]` does not implement `Clone`, so calling `clone` on `&[Attribute]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:453:56
[INFO] [stdout]     |
[INFO] [stdout] 453 |                         if let Some(_attr) = attributes.clone().iter().find(|attr| {
[INFO] [stdout]     |                                                        ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `[Attribute]` does not implement `Clone`, so calling `clone` on `&[Attribute]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:453:56
[INFO] [stdout]     |
[INFO] [stdout] 453 |                         if let Some(_attr) = attributes.clone().iter().find(|attr| {
[INFO] [stdout]     |                                                        ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `[Attribute]` does not implement `Clone`, so calling `clone` on `&[Attribute]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.70s
[INFO] running `Command { std: "docker" "inspect" "956d8cc43f8adbb03596c76025aa3ff13f88912c45036b591e3c66e0211bf995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "956d8cc43f8adbb03596c76025aa3ff13f88912c45036b591e3c66e0211bf995", kill_on_drop: false }`
[INFO] [stdout] 956d8cc43f8adbb03596c76025aa3ff13f88912c45036b591e3c66e0211bf995