[INFO] cloning repository https://github.com/itsaark/helix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/itsaark/helix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitsaark%2Fhelix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitsaark%2Fhelix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d1b22b227fb8e070ea84db4a46ee06186919788
[INFO] testing itsaark/helix against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitsaark%2Fhelix" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/itsaark/helix on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/itsaark/helix
[INFO] finished tweaking git repo https://github.com/itsaark/helix
[INFO] tweaked toml for git repo https://github.com/itsaark/helix written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/itsaark/helix already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37014bf114784bc02b5badeebe69d38caf4c62db090da5027379045526b83eec
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "37014bf114784bc02b5badeebe69d38caf4c62db090da5027379045526b83eec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37014bf114784bc02b5badeebe69d38caf4c62db090da5027379045526b83eec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37014bf114784bc02b5badeebe69d38caf4c62db090da5027379045526b83eec", kill_on_drop: false }`
[INFO] [stdout] 37014bf114784bc02b5badeebe69d38caf4c62db090da5027379045526b83eec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] da924914b450b78987d1cdf6f1d1ac70c706c31554f6dc94614ae0776fa750fb
[INFO] running `Command { std: "docker" "start" "-a" "da924914b450b78987d1cdf6f1d1ac70c706c31554f6dc94614ae0776fa750fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.13
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling ryu v0.2.4
[INFO] [stderr]    Compiling serde v1.0.71
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]    Compiling itoa v0.4.2
[INFO] [stderr]    Compiling data-encoding v2.1.1
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]    Compiling digest v0.7.5
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling aho-corasick v0.6.6
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling quote v0.6.6
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling syn v0.14.8
[INFO] [stderr]    Compiling serde_derive v1.0.71
[INFO] [stderr]    Compiling serde_json v1.0.26
[INFO] [stderr]    Compiling helix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/compression/perceptual.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |         let mut mask = u64::from(*byte);
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.78s
[INFO] running `Command { std: "docker" "inspect" "da924914b450b78987d1cdf6f1d1ac70c706c31554f6dc94614ae0776fa750fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da924914b450b78987d1cdf6f1d1ac70c706c31554f6dc94614ae0776fa750fb", kill_on_drop: false }`
[INFO] [stdout] da924914b450b78987d1cdf6f1d1ac70c706c31554f6dc94614ae0776fa750fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 77936e8eac8e2f0d671f34a689b90c70e4b15703c80d1506a346d73cf73c76ba
[INFO] running `Command { std: "docker" "start" "-a" "77936e8eac8e2f0d671f34a689b90c70e4b15703c80d1506a346d73cf73c76ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling helix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/compression/fasta.rs:211:13
[INFO] [stdout]     |
[INFO] [stdout] 211 |         for i in 0..10 {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]    --> src/compression/fasta.rs:222:13
[INFO] [stdout]     |
[INFO] [stdout] 222 |         let d = f1.distance_to(&f2);
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/compression/perceptual.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |         let mut mask = u64::from(*byte);
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` 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 1.51s
[INFO] running `Command { std: "docker" "inspect" "77936e8eac8e2f0d671f34a689b90c70e4b15703c80d1506a346d73cf73c76ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77936e8eac8e2f0d671f34a689b90c70e4b15703c80d1506a346d73cf73c76ba", kill_on_drop: false }`
[INFO] [stdout] 77936e8eac8e2f0d671f34a689b90c70e4b15703c80d1506a346d73cf73c76ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b5140117f0592310bcaee274675bd96b2a5f2ac32dcf633808365dd0f64a1b06
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b5140117f0592310bcaee274675bd96b2a5f2ac32dcf633808365dd0f64a1b06", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/compression/fasta.rs:211:13
[INFO] [stderr]     |
[INFO] [stderr] 211 |         for i in 0..10 {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `d`
[INFO] [stderr]    --> src/compression/fasta.rs:222:13
[INFO] [stderr]     |
[INFO] [stderr] 222 |         let d = f1.distance_to(&f2);
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/compression/perceptual.rs:109:13
[INFO] [stderr]     |
[INFO] [stderr] 109 |         let mut mask = u64::from(*byte);
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `helix` (bin "helix" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/helix-a4035d05d91eba1b)
[INFO] [stdout] running 6 tests
[INFO] [stdout] test compression::perceptual::tests::byte_distance_functional ... ok
[INFO] [stdout] test compression::fasta::tests::distance_to ... ok
[INFO] [stdout] test compression::fasta::tests::valid_functional ... ok
[INFO] [stdout] test compression::perceptual::tests::distance_functional ... ok
[INFO] [stdout] test compression::perceptual::tests::hash_similarity ... ok
[INFO] [stdout] test compression::perceptual::tests::distance_safety - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b5140117f0592310bcaee274675bd96b2a5f2ac32dcf633808365dd0f64a1b06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5140117f0592310bcaee274675bd96b2a5f2ac32dcf633808365dd0f64a1b06", kill_on_drop: false }`
[INFO] [stdout] b5140117f0592310bcaee274675bd96b2a5f2ac32dcf633808365dd0f64a1b06