[INFO] cloning repository https://github.com/PhilipDaniels/word_chains
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PhilipDaniels/word_chains" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhilipDaniels%2Fword_chains", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhilipDaniels%2Fword_chains'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aebad80fa455fd77ab190c8ea65fa4af467af899
[INFO] testing PhilipDaniels/word_chains against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhilipDaniels%2Fword_chains" "/workspace/builds/worker-59/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-59/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PhilipDaniels/word_chains on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PhilipDaniels/word_chains
[INFO] finished tweaking git repo https://github.com/PhilipDaniels/word_chains
[INFO] tweaked toml for git repo https://github.com/PhilipDaniels/word_chains written to /workspace/builds/worker-59/source/Cargo.toml
[INFO] crate git repo https://github.com/PhilipDaniels/word_chains already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded logging_timer v1.0.0
[INFO] [stderr]   Downloaded logging_timer_proc_macros v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f39fa54809e94f5796f9c6aaf5b3f47a9edba80693a96fad57731ebdf71c0e7
[INFO] running `Command { std: "docker" "start" "-a" "0f39fa54809e94f5796f9c6aaf5b3f47a9edba80693a96fad57731ebdf71c0e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f39fa54809e94f5796f9c6aaf5b3f47a9edba80693a96fad57731ebdf71c0e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f39fa54809e94f5796f9c6aaf5b3f47a9edba80693a96fad57731ebdf71c0e7", kill_on_drop: false }`
[INFO] [stdout] 0f39fa54809e94f5796f9c6aaf5b3f47a9edba80693a96fad57731ebdf71c0e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1125cd58ed0d83afbbd04611e208b334813442d292534cf63996a91d1c50ae42
[INFO] running `Command { std: "docker" "start" "-a" "1125cd58ed0d83afbbd04611e208b334813442d292534cf63996a91d1c50ae42", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling graph v0.1.0 (/opt/rustwide/workdir/graph)
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling logging_timer_proc_macros v1.0.0
[INFO] [stderr]    Compiling logging_timer v1.0.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling structopt v0.3.25
[INFO] [stderr]    Compiling pre_calc v0.1.0 (/opt/rustwide/workdir/pre_calc)
[INFO] [stderr]    Compiling longest_path_calculator v0.1.0 (/opt/rustwide/workdir/longest_path_calculator)
[INFO] [stdout] warning: unused imports: `HashMap`, `hash::Hash`, `num`
[INFO] [stdout]  --> longest_path_calculator/src/main.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::{HashMap, HashSet}, fs::File, hash::Hash, io, num, path::PathBuf};
[INFO] [stdout]   |                         ^^^^^^^                      ^^^^^^^^^^      ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vec`
[INFO] [stdout]  --> longest_path_calculator/src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     vec,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dirs`
[INFO] [stdout]    --> longest_path_calculator/src/main.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 125 |     dirs: &RelativeDirectories,
[INFO] [stdout]     |     ^^^^ help: if this is intentional, prefix it with an underscore: `_dirs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.85s
[INFO] running `Command { std: "docker" "inspect" "1125cd58ed0d83afbbd04611e208b334813442d292534cf63996a91d1c50ae42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1125cd58ed0d83afbbd04611e208b334813442d292534cf63996a91d1c50ae42", kill_on_drop: false }`
[INFO] [stdout] 1125cd58ed0d83afbbd04611e208b334813442d292534cf63996a91d1c50ae42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6395cd1cbfb651293806c7d2a2b5f8093f436d4a8390186fbdf90d2d549d7e2
[INFO] running `Command { std: "docker" "start" "-a" "b6395cd1cbfb651293806c7d2a2b5f8093f436d4a8390186fbdf90d2d549d7e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling graph v0.1.0 (/opt/rustwide/workdir/graph)
[INFO] [stderr]    Compiling longest_path_calculator v0.1.0 (/opt/rustwide/workdir/longest_path_calculator)
[INFO] [stderr]    Compiling pre_calc v0.1.0 (/opt/rustwide/workdir/pre_calc)
[INFO] [stdout] warning: unused imports: `HashMap`, `hash::Hash`, `num`
[INFO] [stdout]  --> longest_path_calculator/src/main.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::{HashMap, HashSet}, fs::File, hash::Hash, io, num, path::PathBuf};
[INFO] [stdout]   |                         ^^^^^^^                      ^^^^^^^^^^      ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vec`
[INFO] [stdout]  --> longest_path_calculator/src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     vec,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dirs`
[INFO] [stdout]    --> longest_path_calculator/src/main.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 125 |     dirs: &RelativeDirectories,
[INFO] [stdout]     |     ^^^^ help: if this is intentional, prefix it with an underscore: `_dirs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "b6395cd1cbfb651293806c7d2a2b5f8093f436d4a8390186fbdf90d2d549d7e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6395cd1cbfb651293806c7d2a2b5f8093f436d4a8390186fbdf90d2d549d7e2", kill_on_drop: false }`
[INFO] [stdout] b6395cd1cbfb651293806c7d2a2b5f8093f436d4a8390186fbdf90d2d549d7e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3f0d7fc80c441ad6c7b91e399160945fdc5a246f70bfd45c7f7521831610c966
[INFO] running `Command { std: "docker" "start" "-a" "3f0d7fc80c441ad6c7b91e399160945fdc5a246f70bfd45c7f7521831610c966", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `HashMap`, `hash::Hash`, `num`
[INFO] [stderr]  --> longest_path_calculator/src/main.rs:1:25
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{collections::{HashMap, HashSet}, fs::File, hash::Hash, io, num, path::PathBuf};
[INFO] [stderr]   |                         ^^^^^^^                      ^^^^^^^^^^      ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `vec`
[INFO] [stderr]  --> longest_path_calculator/src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     vec,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dirs`
[INFO] [stderr]    --> longest_path_calculator/src/main.rs:125:5
[INFO] [stderr]     |
[INFO] [stderr] 125 |     dirs: &RelativeDirectories,
[INFO] [stderr]     |     ^^^^ help: if this is intentional, prefix it with an underscore: `_dirs`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `longest_path_calculator` (bin "longest_path_calculator" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/graph-c4496ddc949bb16b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/longest_path_calculator-783ba420424126ef)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pre_calc-191f64c9abdcc147)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests graph
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3f0d7fc80c441ad6c7b91e399160945fdc5a246f70bfd45c7f7521831610c966", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f0d7fc80c441ad6c7b91e399160945fdc5a246f70bfd45c7f7521831610c966", kill_on_drop: false }`
[INFO] [stdout] 3f0d7fc80c441ad6c7b91e399160945fdc5a246f70bfd45c7f7521831610c966