[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 master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmontanonic%2Fcrackle_pop_perf" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/montanonic/crackle_pop_perf on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-6/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" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] add25a0eee96ed791d89fe5f558477a4ca2f91bed5a17ecaa27d758e311b9772
[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" "add25a0eee96ed791d89fe5f558477a4ca2f91bed5a17ecaa27d758e311b9772", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "add25a0eee96ed791d89fe5f558477a4ca2f91bed5a17ecaa27d758e311b9772", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "add25a0eee96ed791d89fe5f558477a4ca2f91bed5a17ecaa27d758e311b9772", kill_on_drop: false }`
[INFO] [stdout] add25a0eee96ed791d89fe5f558477a4ca2f91bed5a17ecaa27d758e311b9772
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acee01176208e4f3d9c64a28555d62553d4403f220303ec5c54acb6fe60d0cda
[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" "acee01176208e4f3d9c64a28555d62553d4403f220303ec5c54acb6fe60d0cda", 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "acee01176208e4f3d9c64a28555d62553d4403f220303ec5c54acb6fe60d0cda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acee01176208e4f3d9c64a28555d62553d4403f220303ec5c54acb6fe60d0cda", kill_on_drop: false }`
[INFO] [stdout] acee01176208e4f3d9c64a28555d62553d4403f220303ec5c54acb6fe60d0cda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+62efba8a050c64249dab942951bb28f710208bc8" "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] 07eeec5ef985a8351f2765914bfabf9a7d6a6262d7e1a133c9abc2a789af3f4c
[INFO] running `Command { std: "docker" "start" "-a" "07eeec5ef985a8351f2765914bfabf9a7d6a6262d7e1a133c9abc2a789af3f4c", 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 1.54s
[INFO] running `Command { std: "docker" "inspect" "07eeec5ef985a8351f2765914bfabf9a7d6a6262d7e1a133c9abc2a789af3f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07eeec5ef985a8351f2765914bfabf9a7d6a6262d7e1a133c9abc2a789af3f4c", kill_on_drop: false }`
[INFO] [stdout] 07eeec5ef985a8351f2765914bfabf9a7d6a6262d7e1a133c9abc2a789af3f4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", 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] aac96d896a390ec9920bfd185051fecfdd0af9667bcf0c427457f50077e3a3a7
[INFO] running `Command { std: "docker" "start" "-a" "aac96d896a390ec9920bfd185051fecfdd0af9667bcf0c427457f50077e3a3a7", kill_on_drop: false }`
[INFO] [stderr] warning: the feature `array_value_iter` has been stable since 1.51.0 and no longer requires an attribute to enable
[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 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/crackle_pop-ce26dbe398a4ba79)
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test rc_sub::tests::fast ... ok
[INFO] [stdout] test rc_sub::tests::write_1_or_2_digit_u8_as_utf8_yields_valid_utf8 ... ok
[INFO] [stdout] test tests::array_buffer_works ... ok
[INFO] [stdout] test tests::main_crackle_pop ... ok
[INFO] [stdout] test tests::concat_vs_hardcoded_hardcoded ... ok
[INFO] [stdout] test tests::concat_vs_hardcoded_cow ... ok
[INFO] [stdout] test tests::main_crackle_pop_arraybuf_minimal_vars ... ok
[INFO] [stdout] test tests::main_crackle_pop_arrbuf ... ok
[INFO] [stdout] test tests::main_crackle_pop_arraybuf_with_own_write_u8 ... ok
[INFO] [stdout] test tests::main_crackle_pop_ext_arraybuf_minimal_vars ... ok
[INFO] [stdout] test tests::main_crackle_pop_ext_owned_arraybuf_minimal_vars ... ok
[INFO] [stdout] test tests::main_crackle_pop_ext_vec_minimal_vars ... ok
[INFO] [stdout] test tests::write_to_stdout ... ignored
[INFO] [stdout] test tests::main_crackle_pop_fastest_vec ... ok
[INFO] [stdout] test tests::main_crackle_pop_faster_utf8 ... ok
[INFO] [stdout] test tests::main_crackle_pop_hardcoded ... ok
[INFO] [stdout] test tests::main_crackle_pop_fastest_arraybuf ... ok
[INFO] [stdout] test tests::num_via_str_write ... ok
[INFO] [stdout] test tests::write_u8_gt_100 ... ok
[INFO] [stdout] test tests::main_crackle_pop_vec_minimal_vars ... ok
[INFO] [stdout] test tests::write_u8_lt_100 ... ok
[INFO] [stdout] test tests::num_via_vec_write ... ok
[INFO] [stdout] test tests::write_u8_as_utf8_works ... ok
[INFO] [stdout] test rc_sub::tests::normal ... ok
[INFO] [stdout] test tests::main_crackle_pop_arraybuf_with_newline_methods ... ok
[INFO] [stdout] test tests::concat_vs_hardcoded_concat ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aac96d896a390ec9920bfd185051fecfdd0af9667bcf0c427457f50077e3a3a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aac96d896a390ec9920bfd185051fecfdd0af9667bcf0c427457f50077e3a3a7", kill_on_drop: false }`
[INFO] [stdout] aac96d896a390ec9920bfd185051fecfdd0af9667bcf0c427457f50077e3a3a7