[INFO] fetching crate dirinfo 0.1.1...
[INFO] checking dirinfo-0.1.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate dirinfo 0.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate dirinfo 0.1.1 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dirinfo 0.1.1
[INFO] finished tweaking crates.io crate dirinfo 0.1.1
[INFO] tweaked toml for crates.io crate dirinfo 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c11ee606e8cdc0a7af0a69727e33b758e3e2f06a4c6a55dc0a26a1ac1438295
[INFO] running `Command { std: "docker" "start" "-a" "4c11ee606e8cdc0a7af0a69727e33b758e3e2f06a4c6a55dc0a26a1ac1438295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c11ee606e8cdc0a7af0a69727e33b758e3e2f06a4c6a55dc0a26a1ac1438295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c11ee606e8cdc0a7af0a69727e33b758e3e2f06a4c6a55dc0a26a1ac1438295", kill_on_drop: false }`
[INFO] [stdout] 4c11ee606e8cdc0a7af0a69727e33b758e3e2f06a4c6a55dc0a26a1ac1438295
[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 -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19c51b9c8b5900182461f079fa66eb82ef04a734bf45d2c962a0eef8f6f3df59
[INFO] running `Command { std: "docker" "start" "-a" "19c51b9c8b5900182461f079fa66eb82ef04a734bf45d2c962a0eef8f6f3df59", kill_on_drop: false }`
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking dirinfo v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `error`, `path`, and `depth` are never read
[INFO] [stdout]   --> src/lib.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct Error {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 38 |     error: Option<std::io::Error>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 39 |     path: Option<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 40 |     depth: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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: fields `error`, `path`, and `depth` are never read
[INFO] [stdout]   --> src/lib.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct Error {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 38 |     error: Option<std::io::Error>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 39 |     path: Option<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 40 |     depth: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "19c51b9c8b5900182461f079fa66eb82ef04a734bf45d2c962a0eef8f6f3df59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19c51b9c8b5900182461f079fa66eb82ef04a734bf45d2c962a0eef8f6f3df59", kill_on_drop: false }`
[INFO] [stdout] 19c51b9c8b5900182461f079fa66eb82ef04a734bf45d2c962a0eef8f6f3df59