[INFO] fetching crate klu_core 0.2.1...
[INFO] checking klu_core-0.2.1 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate klu_core 0.2.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate klu_core 0.2.1 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate klu_core 0.2.1
[INFO] finished tweaking crates.io crate klu_core 0.2.1
[INFO] tweaked toml for crates.io crate klu_core 0.2.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate klu_core 0.2.1 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f8a7daa9f50b9809743d454ba31d7c451c55f64f5b70704dc0052031b087006
[INFO] running `Command { std: "docker" "start" "-a" "2f8a7daa9f50b9809743d454ba31d7c451c55f64f5b70704dc0052031b087006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f8a7daa9f50b9809743d454ba31d7c451c55f64f5b70704dc0052031b087006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f8a7daa9f50b9809743d454ba31d7c451c55f64f5b70704dc0052031b087006", kill_on_drop: false }`
[INFO] [stdout] 2f8a7daa9f50b9809743d454ba31d7c451c55f64f5b70704dc0052031b087006
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2988ca10d62af66606ffcec7e7489898c50f0310e3be996a6d06ba80b8b431cb
[INFO] running `Command { std: "docker" "start" "-a" "2988ca10d62af66606ffcec7e7489898c50f0310e3be996a6d06ba80b8b431cb", kill_on_drop: false }`
[INFO] [stderr]     Checking klu_core v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `klu`
[INFO] [stdout]  --> examples/r_exists.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate klu;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `klu_core` (example "r_exists") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2988ca10d62af66606ffcec7e7489898c50f0310e3be996a6d06ba80b8b431cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2988ca10d62af66606ffcec7e7489898c50f0310e3be996a6d06ba80b8b431cb", kill_on_drop: false }`
[INFO] [stdout] 2988ca10d62af66606ffcec7e7489898c50f0310e3be996a6d06ba80b8b431cb
[INFO] checking klu_core-0.2.1 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate klu_core 0.2.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate klu_core 0.2.1 on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate klu_core 0.2.1
[INFO] finished tweaking crates.io crate klu_core 0.2.1
[INFO] tweaked toml for crates.io crate klu_core 0.2.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate klu_core 0.2.1 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" "+dae34b759e282c069aa28752564694effd121a63" "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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec7cca9e8ca156732c94af746ec5c6b12ba8d9c5d870be0be43ab28bcba23fff
[INFO] running `Command { std: "docker" "start" "-a" "ec7cca9e8ca156732c94af746ec5c6b12ba8d9c5d870be0be43ab28bcba23fff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec7cca9e8ca156732c94af746ec5c6b12ba8d9c5d870be0be43ab28bcba23fff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec7cca9e8ca156732c94af746ec5c6b12ba8d9c5d870be0be43ab28bcba23fff", kill_on_drop: false }`
[INFO] [stdout] ec7cca9e8ca156732c94af746ec5c6b12ba8d9c5d870be0be43ab28bcba23fff
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 129158edae9be742bd95738e2a7c04787c16ae1b262c5c172796fcba179f36fb
[INFO] running `Command { std: "docker" "start" "-a" "129158edae9be742bd95738e2a7c04787c16ae1b262c5c172796fcba179f36fb", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "129158edae9be742bd95738e2a7c04787c16ae1b262c5c172796fcba179f36fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "129158edae9be742bd95738e2a7c04787c16ae1b262c5c172796fcba179f36fb", kill_on_drop: false }`
[INFO] [stdout] 129158edae9be742bd95738e2a7c04787c16ae1b262c5c172796fcba179f36fb