[INFO] fetching crate caves 0.2.1...
[INFO] checking caves-0.2.1 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate caves 0.2.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate caves 0.2.1 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate caves 0.2.1
[INFO] finished tweaking crates.io crate caves 0.2.1
[INFO] tweaked toml for crates.io crate caves 0.2.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror v1.0.58
[INFO] [stderr]   Downloaded predicates v3.1.0
[INFO] [stderr]   Downloaded predicates v1.0.8
[INFO] [stderr]   Downloaded atomicwrites v0.3.1
[INFO] [stderr]   Downloaded assert_fs v1.1.1
[INFO] [stderr]   Downloaded thiserror-impl v1.0.58
[INFO] [stderr]   Downloaded globwalk v0.9.1
[INFO] [stderr]   Downloaded float-cmp v0.8.0
[INFO] [stderr]   Downloaded rocksdb v0.15.0
[INFO] [stderr]   Downloaded librocksdb-sys v6.20.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d891176ef00ddc7265300b6f3b1035d097953ec9204f86708b1554f4fc2a89d
[INFO] running `Command { std: "docker" "start" "-a" "7d891176ef00ddc7265300b6f3b1035d097953ec9204f86708b1554f4fc2a89d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d891176ef00ddc7265300b6f3b1035d097953ec9204f86708b1554f4fc2a89d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d891176ef00ddc7265300b6f3b1035d097953ec9204f86708b1554f4fc2a89d", kill_on_drop: false }`
[INFO] [stdout] 7d891176ef00ddc7265300b6f3b1035d097953ec9204f86708b1554f4fc2a89d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbb41fc45a24ed9d217bc848d55cd8ad45ac69bce318283747868efd38bb26f4
[INFO] running `Command { std: "docker" "start" "-a" "bbb41fc45a24ed9d217bc848d55cd8ad45ac69bce318283747868efd38bb26f4", kill_on_drop: false }`
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking atomicwrites v0.3.1
[INFO] [stderr]     Checking predicates v3.1.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking caves v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: the item `thiserror` is imported redundantly
[INFO] [stdout]   --> src/errors.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | use thiserror;
[INFO] [stdout]    |     ^^^^^^^^^ the item `thiserror` is already defined here
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     warnings,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `atomicwrites` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | use atomicwrites;
[INFO] [stdout]    |     ^^^^^^^^^^^^ the item `atomicwrites` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `caves` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bbb41fc45a24ed9d217bc848d55cd8ad45ac69bce318283747868efd38bb26f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbb41fc45a24ed9d217bc848d55cd8ad45ac69bce318283747868efd38bb26f4", kill_on_drop: false }`
[INFO] [stdout] bbb41fc45a24ed9d217bc848d55cd8ad45ac69bce318283747868efd38bb26f4
[INFO] checking caves-0.2.1 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate caves 0.2.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate caves 0.2.1 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate caves 0.2.1
[INFO] finished tweaking crates.io crate caves 0.2.1
[INFO] tweaked toml for crates.io crate caves 0.2.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fbe186930424981115dc612d7b2fe947af2420a4617e299aaef8e07f5e058d9f
[INFO] running `Command { std: "docker" "start" "-a" "fbe186930424981115dc612d7b2fe947af2420a4617e299aaef8e07f5e058d9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbe186930424981115dc612d7b2fe947af2420a4617e299aaef8e07f5e058d9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbe186930424981115dc612d7b2fe947af2420a4617e299aaef8e07f5e058d9f", kill_on_drop: false }`
[INFO] [stdout] fbe186930424981115dc612d7b2fe947af2420a4617e299aaef8e07f5e058d9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb392e4765606eea5f24a825522b8855f018e48a242d59fe04ba623f3eb3c8f2
[INFO] running `Command { std: "docker" "start" "-a" "bb392e4765606eea5f24a825522b8855f018e48a242d59fe04ba623f3eb3c8f2", kill_on_drop: false }`
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking predicates v3.1.0
[INFO] [stderr]     Checking atomicwrites v0.3.1
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking caves v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: the item `thiserror` is imported redundantly
[INFO] [stdout]   --> src/errors.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | use thiserror;
[INFO] [stdout]    |     ^^^^^^^^^ the item `thiserror` is already defined here
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     warnings,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `atomicwrites` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | use atomicwrites;
[INFO] [stdout]    |     ^^^^^^^^^^^^ the item `atomicwrites` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `caves` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bb392e4765606eea5f24a825522b8855f018e48a242d59fe04ba623f3eb3c8f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb392e4765606eea5f24a825522b8855f018e48a242d59fe04ba623f3eb3c8f2", kill_on_drop: false }`
[INFO] [stdout] bb392e4765606eea5f24a825522b8855f018e48a242d59fe04ba623f3eb3c8f2
