[INFO] cloning repository https://github.com/plisdku/data-structures-and-algorithms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/plisdku/data-structures-and-algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplisdku%2Fdata-structures-and-algorithms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplisdku%2Fdata-structures-and-algorithms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 308c9659e3a47ffde312f524f9830f2cde0690aa
[INFO] checking plisdku/data-structures-and-algorithms against try#a611f2a14e38407ec6717a86a01424ee6fc80762 for pr-154992
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplisdku%2Fdata-structures-and-algorithms" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/plisdku/data-structures-and-algorithms
[INFO] finished tweaking git repo https://github.com/plisdku/data-structures-and-algorithms
[INFO] tweaked toml for git repo https://github.com/plisdku/data-structures-and-algorithms written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/plisdku/data-structures-and-algorithms on toolchain a611f2a14e38407ec6717a86a01424ee6fc80762
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a611f2a14e38407ec6717a86a01424ee6fc80762" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/plisdku/data-structures-and-algorithms 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" "+a611f2a14e38407ec6717a86a01424ee6fc80762" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking plisdku/data-structures-and-algorithms against try#a611f2a14e38407ec6717a86a01424ee6fc80762 for pr-154992
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplisdku%2Fdata-structures-and-algorithms" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/plisdku/data-structures-and-algorithms
[INFO] finished tweaking git repo https://github.com/plisdku/data-structures-and-algorithms
[INFO] tweaked toml for git repo https://github.com/plisdku/data-structures-and-algorithms written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/plisdku/data-structures-and-algorithms on toolchain a611f2a14e38407ec6717a86a01424ee6fc80762
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a611f2a14e38407ec6717a86a01424ee6fc80762" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/plisdku/data-structures-and-algorithms 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" "+a611f2a14e38407ec6717a86a01424ee6fc80762" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+a611f2a14e38407ec6717a86a01424ee6fc80762" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e66cda7a48c8b9f2d782567ca68cfc57c282bee5c9785a528ba55f9911756578
[INFO] running `Command { std: "docker" "start" "-a" "e66cda7a48c8b9f2d782567ca68cfc57c282bee5c9785a528ba55f9911756578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e66cda7a48c8b9f2d782567ca68cfc57c282bee5c9785a528ba55f9911756578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e66cda7a48c8b9f2d782567ca68cfc57c282bee5c9785a528ba55f9911756578", kill_on_drop: false }`
[INFO] [stdout] e66cda7a48c8b9f2d782567ca68cfc57c282bee5c9785a528ba55f9911756578
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+a611f2a14e38407ec6717a86a01424ee6fc80762" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 501e73644fb94839c2725671c844e1ff9ba93babadb7f5762fa8c52a032148f7
[INFO] running `Command { std: "docker" "start" "-a" "501e73644fb94839c2725671c844e1ff9ba93babadb7f5762fa8c52a032148f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling zerocopy v0.8.31
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]     Checking clap_lex v0.7.6
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking too-many-lists v0.1.0 (/opt/rustwide/workdir/exercises/too-many-lists)
[INFO] [stderr]     Checking hello-world v0.1.0 (/opt/rustwide/workdir/exercises/hello-world)
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stdout] warning: unused variable: `full`
[INFO] [stdout]    --> exercises/too-many-lists/src/first_rewritten_for_practice.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |         let full = ListNode {
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_full`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking clap_builder v4.5.53
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking is-terminal v0.4.17
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking clap v4.5.53
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]    Compiling zerocopy-derive v0.8.31
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Checking maximum-subsequence-sum v0.1.0 (/opt/rustwide/workdir/exercises/maximum-subsequence-sum)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.85s
[INFO] running `Command { std: "docker" "inspect" "501e73644fb94839c2725671c844e1ff9ba93babadb7f5762fa8c52a032148f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "501e73644fb94839c2725671c844e1ff9ba93babadb7f5762fa8c52a032148f7", kill_on_drop: false }`
[INFO] [stdout] 501e73644fb94839c2725671c844e1ff9ba93babadb7f5762fa8c52a032148f7
