[INFO] cloning repository https://github.com/montanonic/crackle_pop_perf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/montanonic/crackle_pop_perf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmontanonic%2Fcrackle_pop_perf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmontanonic%2Fcrackle_pop_perf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e168a89a100042fb31f699247bf2136488b89884
[INFO] testing montanonic/crackle_pop_perf against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmontanonic%2Fcrackle_pop_perf" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/montanonic/crackle_pop_perf on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/montanonic/crackle_pop_perf
[INFO] finished tweaking git repo https://github.com/montanonic/crackle_pop_perf
[INFO] tweaked toml for git repo https://github.com/montanonic/crackle_pop_perf written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/montanonic/crackle_pop_perf already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 996d53f16acbacfced5aa6918f43f6868c3070dce283e2e149cf6c4f7036aa6c
[INFO] running `Command { std: "docker" "start" "-a" "996d53f16acbacfced5aa6918f43f6868c3070dce283e2e149cf6c4f7036aa6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "996d53f16acbacfced5aa6918f43f6868c3070dce283e2e149cf6c4f7036aa6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "996d53f16acbacfced5aa6918f43f6868c3070dce283e2e149cf6c4f7036aa6c", kill_on_drop: false }`
[INFO] [stdout] 996d53f16acbacfced5aa6918f43f6868c3070dce283e2e149cf6c4f7036aa6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a755121e26b6c05ef1e8a476f36794d480422b3c5b9813c0d03c9ab688b2d207
[INFO] running `Command { std: "docker" "start" "-a" "a755121e26b6c05ef1e8a476f36794d480422b3c5b9813c0d03c9ab688b2d207", kill_on_drop: false }`
[INFO] [stderr]    Compiling crackle_pop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `array_value_iter` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/main.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 | #![feature(test, array_value_iter)]
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` 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 1.12s
[INFO] running `Command { std: "docker" "inspect" "a755121e26b6c05ef1e8a476f36794d480422b3c5b9813c0d03c9ab688b2d207", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a755121e26b6c05ef1e8a476f36794d480422b3c5b9813c0d03c9ab688b2d207", kill_on_drop: false }`
[INFO] [stdout] a755121e26b6c05ef1e8a476f36794d480422b3c5b9813c0d03c9ab688b2d207
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e11ec2817e6c4fc6b5448787a416945fe56b70971e5f6e6556cc0e03aa19306
[INFO] running `Command { std: "docker" "start" "-a" "1e11ec2817e6c4fc6b5448787a416945fe56b70971e5f6e6556cc0e03aa19306", kill_on_drop: false }`
[INFO] [stderr]    Compiling crackle_pop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `array_value_iter` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/main.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 | #![feature(test, array_value_iter)]
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.97s
[INFO] running `Command { std: "docker" "inspect" "1e11ec2817e6c4fc6b5448787a416945fe56b70971e5f6e6556cc0e03aa19306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e11ec2817e6c4fc6b5448787a416945fe56b70971e5f6e6556cc0e03aa19306", kill_on_drop: false }`
[INFO] [stdout] 1e11ec2817e6c4fc6b5448787a416945fe56b70971e5f6e6556cc0e03aa19306
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7b4b5283ab18892058d39c0820c70652a6d0ae4a4f268f648093d28c534143b5
[INFO] running `Command { std: "docker" "start" "-a" "7b4b5283ab18892058d39c0820c70652a6d0ae4a4f268f648093d28c534143b5", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: the feature `array_value_iter` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stdout] running 26 tests
[INFO] [stderr]   --> src/main.rs:23:18
[INFO] [stderr]    |
[INFO] [stderr] 23 | #![feature(test, array_value_iter)]
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `crackle_pop` (bin "crackle_pop" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/crackle_pop-c59f0af6243f2f9a)
[INFO] [stdout] test rc_sub::tests::normal ... ok
[INFO] [stdout] test tests::main_crackle_pop_arraybuf_minimal_vars ... ok
[INFO] [stdout] test tests::main_crackle_pop_arraybuf_with_newline_methods ... ok
[INFO] [stdout] test tests::main_crackle_pop_ext_owned_arraybuf_minimal_vars ... ok
[INFO] [stdout] test tests::main_crackle_pop_ext_arraybuf_minimal_vars ... ok
[INFO] [stdout] test tests::concat_vs_hardcoded_cow ... ok
[INFO] [stdout] test tests::main_crackle_pop_arraybuf_with_own_write_u8 ... ok
[INFO] [stdout] test rc_sub::tests::fast ... ok
[INFO] [stdout] test tests::main_crackle_pop ... ok
[INFO] [stdout] test rc_sub::tests::write_1_or_2_digit_u8_as_utf8_yields_valid_utf8 ... ok
[INFO] [stdout] test tests::main_crackle_pop_arrbuf ... ok
[INFO] [stdout] test tests::array_buffer_works ... ok
[INFO] [stdout] test tests::concat_vs_hardcoded_concat ... ok
[INFO] [stdout] test tests::concat_vs_hardcoded_hardcoded ... ok
[INFO] [stdout] test tests::main_crackle_pop_ext_vec_minimal_vars ... ok
[INFO] [stdout] test tests::main_crackle_pop_faster_utf8 ... ok
[INFO] [stdout] test tests::main_crackle_pop_fastest_vec ... ok
[INFO] [stdout] test tests::write_to_stdout ... ignored
[INFO] [stdout] test tests::main_crackle_pop_vec_minimal_vars ... ok
[INFO] [stdout] test tests::write_u8_as_utf8_works ... ok
[INFO] [stdout] test tests::num_via_vec_write ... ok
[INFO] [stdout] test tests::main_crackle_pop_fastest_arraybuf ... ok
[INFO] [stdout] test tests::num_via_str_write ... ok
[INFO] [stdout] test tests::main_crackle_pop_hardcoded ... ok
[INFO] [stdout] test tests::write_u8_gt_100 ... ok
[INFO] [stdout] test tests::write_u8_lt_100 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7b4b5283ab18892058d39c0820c70652a6d0ae4a4f268f648093d28c534143b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b4b5283ab18892058d39c0820c70652a6d0ae4a4f268f648093d28c534143b5", kill_on_drop: false }`
[INFO] [stdout] 7b4b5283ab18892058d39c0820c70652a6d0ae4a4f268f648093d28c534143b5