[INFO] cloning repository https://github.com/hedonhermdev/stringbench
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hedonhermdev/stringbench" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhedonhermdev%2Fstringbench", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhedonhermdev%2Fstringbench'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d216e0d193315a9081cc2dbfc835b155c5a65d84
[INFO] testing hedonhermdev/stringbench against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhedonhermdev%2Fstringbench" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hedonhermdev/stringbench on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hedonhermdev/stringbench
[INFO] finished tweaking git repo https://github.com/hedonhermdev/stringbench
[INFO] tweaked toml for git repo https://github.com/hedonhermdev/stringbench written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/hedonhermdev/stringbench already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/hedonhermdev/rayon`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d2c185eb3bb41118e109210e1ce3d727f97052c312e1ba28197d12ace39c729
[INFO] running `Command { std: "docker" "start" "-a" "4d2c185eb3bb41118e109210e1ce3d727f97052c312e1ba28197d12ace39c729", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d2c185eb3bb41118e109210e1ce3d727f97052c312e1ba28197d12ace39c729", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d2c185eb3bb41118e109210e1ce3d727f97052c312e1ba28197d12ace39c729", kill_on_drop: false }`
[INFO] [stdout] 4d2c185eb3bb41118e109210e1ce3d727f97052c312e1ba28197d12ace39c729
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c67b32d650f57bfd52450ed8dbdf6f4960da23c4d37575df603648a4caeac9b
[INFO] running `Command { std: "docker" "start" "-a" "4c67b32d650f57bfd52450ed8dbdf6f4960da23c4d37575df603648a4caeac9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling rayon-core v1.9.1 (https://github.com/hedonhermdev/rayon?branch=adaptive#37f7c5f6)
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling rayon v1.5.1 (https://github.com/hedonhermdev/rayon?branch=adaptive#37f7c5f6)
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling crossbeam v0.8.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling lipsum v0.8.0
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling bare_metal_modulo v0.7.0
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling fast-tracer v0.1.0 (https://github.com/wagnerf42/fast-tracer#f427aa54)
[INFO] [stderr]    Compiling string_matching v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `stats`, `svg`
[INFO] [stdout]  --> src/main.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use fast_tracer::{stats, svg};
[INFO] [stdout]   |                   ^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_size`
[INFO] [stdout]   --> src/main.rs:18:49
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn string_match(haystack: &[u8], needle: &[u8], block_size: usize) -> usize {
[INFO] [stdout]    |                                                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 14s
[INFO] running `Command { std: "docker" "inspect" "4c67b32d650f57bfd52450ed8dbdf6f4960da23c4d37575df603648a4caeac9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c67b32d650f57bfd52450ed8dbdf6f4960da23c4d37575df603648a4caeac9b", kill_on_drop: false }`
[INFO] [stdout] 4c67b32d650f57bfd52450ed8dbdf6f4960da23c4d37575df603648a4caeac9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95121c6613bf04cc29c67c1e851841bf957c573ebf4c629b6e29f1bad567da20
[INFO] running `Command { std: "docker" "start" "-a" "95121c6613bf04cc29c67c1e851841bf957c573ebf4c629b6e29f1bad567da20", kill_on_drop: false }`
[INFO] [stderr]    Compiling string_matching v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `stats`, `svg`
[INFO] [stdout]  --> src/main.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use fast_tracer::{stats, svg};
[INFO] [stdout]   |                   ^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_size`
[INFO] [stdout]   --> src/main.rs:18:49
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn string_match(haystack: &[u8], needle: &[u8], block_size: usize) -> usize {
[INFO] [stdout]    |                                                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "95121c6613bf04cc29c67c1e851841bf957c573ebf4c629b6e29f1bad567da20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95121c6613bf04cc29c67c1e851841bf957c573ebf4c629b6e29f1bad567da20", kill_on_drop: false }`
[INFO] [stdout] 95121c6613bf04cc29c67c1e851841bf957c573ebf4c629b6e29f1bad567da20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a2c12b739f6393834f1ebd392a9e83898ad80ccfaa863a1a032794b70e3b8c88
[INFO] running `Command { std: "docker" "start" "-a" "a2c12b739f6393834f1ebd392a9e83898ad80ccfaa863a1a032794b70e3b8c88", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `stats`, `svg`
[INFO] [stderr]  --> src/main.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 | use fast_tracer::{stats, svg};
[INFO] [stderr]   |                   ^^^^^  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `block_size`
[INFO] [stderr]   --> src/main.rs:18:49
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn string_match(haystack: &[u8], needle: &[u8], block_size: usize) -> usize {
[INFO] [stderr]    |                                                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_size`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `string_matching` (bin "string_matching" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/string_matching-0e59a061a07e6377)
[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" "a2c12b739f6393834f1ebd392a9e83898ad80ccfaa863a1a032794b70e3b8c88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2c12b739f6393834f1ebd392a9e83898ad80ccfaa863a1a032794b70e3b8c88", kill_on_drop: false }`
[INFO] [stdout] a2c12b739f6393834f1ebd392a9e83898ad80ccfaa863a1a032794b70e3b8c88