[INFO] fetching crate cmaze 0.6.2...
[INFO] checking cmaze-0.6.2 against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] extracting crate cmaze 0.6.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate cmaze 0.6.2 on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cmaze 0.6.2
[INFO] finished tweaking crates.io crate cmaze 0.6.2
[INFO] tweaked toml for crates.io crate cmaze 0.6.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "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" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-queue v0.3.9
[INFO] [stderr]   Downloaded crossbeam v0.8.2
[INFO] [stderr]   Downloaded pausable_clock v1.0.1
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6dd3d0843b60a84f603da6b38e5b3f15cfa34161f362d3f311f117ddee92b78e
[INFO] running `Command { std: "docker" "start" "-a" "6dd3d0843b60a84f603da6b38e5b3f15cfa34161f362d3f311f117ddee92b78e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6dd3d0843b60a84f603da6b38e5b3f15cfa34161f362d3f311f117ddee92b78e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dd3d0843b60a84f603da6b38e5b3f15cfa34161f362d3f311f117ddee92b78e", kill_on_drop: false }`
[INFO] [stdout] 6dd3d0843b60a84f603da6b38e5b3f15cfa34161f362d3f311f117ddee92b78e
[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=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" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 367e00f3d712ac0076c135e4292e700a59ec66f47107d049c3ff521461f4c7ab
[INFO] running `Command { std: "docker" "start" "-a" "367e00f3d712ac0076c135e4292e700a59ec66f47107d049c3ff521461f4c7ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling thiserror v1.0.51
[INFO] [stderr]     Checking crossbeam-queue v0.3.9
[INFO] [stderr]     Checking crossbeam-channel v0.5.9
[INFO] [stderr]     Checking pausable_clock v1.0.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.51
[INFO] [stderr]     Checking serde v1.0.193
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking crossbeam v0.8.2
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking cmaze v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking serde_json v1.0.108
[INFO] [stderr]     Checking ciborium v0.2.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] error[E0432]: unresolved import `hashbrown`
[INFO] [stdout]    --> benches/kruskals.rs:161:25
[INFO] [stdout]     |
[INFO] [stdout] 161 |                     use hashbrown::HashSet;
[INFO] [stdout]     |                         ^^^^^^^^^ use of undeclared crate or module `hashbrown`
[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 E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cmaze` (bench "kruskals") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "367e00f3d712ac0076c135e4292e700a59ec66f47107d049c3ff521461f4c7ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "367e00f3d712ac0076c135e4292e700a59ec66f47107d049c3ff521461f4c7ab", kill_on_drop: false }`
[INFO] [stdout] 367e00f3d712ac0076c135e4292e700a59ec66f47107d049c3ff521461f4c7ab
[INFO] checking cmaze-0.6.2 against try#785364c7e5e0804473a3fddfb579798ea14e3493 for pr-114682
[INFO] extracting crate cmaze 0.6.2 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate cmaze 0.6.2 on toolchain 785364c7e5e0804473a3fddfb579798ea14e3493
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cmaze 0.6.2
[INFO] finished tweaking crates.io crate cmaze 0.6.2
[INFO] tweaked toml for crates.io crate cmaze 0.6.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "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" "+785364c7e5e0804473a3fddfb579798ea14e3493" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a9cba20931c24712584fe9d55f2fb0411cd7f0c24cdef667ccaae7e7b85e2d1
[INFO] running `Command { std: "docker" "start" "-a" "8a9cba20931c24712584fe9d55f2fb0411cd7f0c24cdef667ccaae7e7b85e2d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a9cba20931c24712584fe9d55f2fb0411cd7f0c24cdef667ccaae7e7b85e2d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a9cba20931c24712584fe9d55f2fb0411cd7f0c24cdef667ccaae7e7b85e2d1", kill_on_drop: false }`
[INFO] [stdout] 8a9cba20931c24712584fe9d55f2fb0411cd7f0c24cdef667ccaae7e7b85e2d1
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a802a6e4b8dfe9c99345c3a2a586deacf1c2171e1289740d5d7c9da758dd8fb
[INFO] running `Command { std: "docker" "start" "-a" "4a802a6e4b8dfe9c99345c3a2a586deacf1c2171e1289740d5d7c9da758dd8fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling thiserror v1.0.51
[INFO] [stderr]     Checking crossbeam-queue v0.3.9
[INFO] [stderr]     Checking crossbeam-channel v0.5.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.51
[INFO] [stderr]     Checking pausable_clock v1.0.1
[INFO] [stderr]     Checking serde v1.0.193
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking crossbeam v0.8.2
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking cmaze v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.108
[INFO] [stderr]     Checking ciborium v0.2.1
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] error[E0432]: unresolved import `hashbrown`
[INFO] [stdout]    --> benches/kruskals.rs:161:25
[INFO] [stdout]     |
[INFO] [stdout] 161 |                     use hashbrown::HashSet;
[INFO] [stdout]     |                         ^^^^^^^^^ use of undeclared crate or module `hashbrown`
[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 E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cmaze` (bench "kruskals") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4a802a6e4b8dfe9c99345c3a2a586deacf1c2171e1289740d5d7c9da758dd8fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a802a6e4b8dfe9c99345c3a2a586deacf1c2171e1289740d5d7c9da758dd8fb", kill_on_drop: false }`
[INFO] [stdout] 4a802a6e4b8dfe9c99345c3a2a586deacf1c2171e1289740d5d7c9da758dd8fb
