[INFO] cloning repository https://github.com/florentw/erosion
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/florentw/erosion" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflorentw%2Ferosion", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflorentw%2Ferosion'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 350f1fb30b2bf671277850f9b72330d27248fddd
[INFO] testing florentw/erosion against master#9e297bf54d31eb3b30067208ff9af4416945a2ed for pr-125507
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflorentw%2Ferosion" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/florentw/erosion on toolchain 9e297bf54d31eb3b30067208ff9af4416945a2ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/florentw/erosion
[INFO] finished tweaking git repo https://github.com/florentw/erosion
[INFO] tweaked toml for git repo https://github.com/florentw/erosion written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/florentw/erosion already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08b60e98021f21433060cccc656595b2f234d5a6b7a051cb96bbbd5c9ee71beb
[INFO] running `Command { std: "docker" "start" "-a" "08b60e98021f21433060cccc656595b2f234d5a6b7a051cb96bbbd5c9ee71beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08b60e98021f21433060cccc656595b2f234d5a6b7a051cb96bbbd5c9ee71beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08b60e98021f21433060cccc656595b2f234d5a6b7a051cb96bbbd5c9ee71beb", kill_on_drop: false }`
[INFO] [stdout] 08b60e98021f21433060cccc656595b2f234d5a6b7a051cb96bbbd5c9ee71beb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0da3aa872bf6f6f1397c9425e3c98bd46a65d8838ca328b9f6c7b6ed3ccf07e9
[INFO] running `Command { std: "docker" "start" "-a" "0da3aa872bf6f6f1397c9425e3c98bd46a65d8838ca328b9f6c7b6ed3ccf07e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling erosion v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/throughput/mod.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut running = true;
[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` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "0da3aa872bf6f6f1397c9425e3c98bd46a65d8838ca328b9f6c7b6ed3ccf07e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0da3aa872bf6f6f1397c9425e3c98bd46a65d8838ca328b9f6c7b6ed3ccf07e9", kill_on_drop: false }`
[INFO] [stdout] 0da3aa872bf6f6f1397c9425e3c98bd46a65d8838ca328b9f6c7b6ed3ccf07e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1371573f666d78b76444fc71e546e6bf600208eef1434e6f5a407044e6150dcb
[INFO] running `Command { std: "docker" "start" "-a" "1371573f666d78b76444fc71e546e6bf600208eef1434e6f5a407044e6150dcb", kill_on_drop: false }`
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/throughput/mod.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut running = true;
[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] [stderr]    Compiling erosion v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/throughput/mod.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut running = true;
[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 `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "1371573f666d78b76444fc71e546e6bf600208eef1434e6f5a407044e6150dcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1371573f666d78b76444fc71e546e6bf600208eef1434e6f5a407044e6150dcb", kill_on_drop: false }`
[INFO] [stdout] 1371573f666d78b76444fc71e546e6bf600208eef1434e6f5a407044e6150dcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 599850d4bf3b283aa7e06051d3443dfe385f02772ead2ea783b57ba173fcca33
[INFO] running `Command { std: "docker" "start" "-a" "599850d4bf3b283aa7e06051d3443dfe385f02772ead2ea783b57ba173fcca33", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/throughput/mod.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let mut running = true;
[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: `erosion` (lib) generated 1 warning (run `cargo fix --lib -p erosion` to apply 1 suggestion)
[INFO] [stderr] warning: `erosion` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/erosion-0fec70dfe838f2f0)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test throughput::tests::achieved_throughput_returns_rounded_throughput ... ok
[INFO] [stdout] test throughput::tests::achieved_throughput_returns_minus_one_when_elapsed_is_zero ... ok
[INFO] [stdout] test throughput::tests::round_function_rounds_to_two_places ... ok
[INFO] [stdout] test throughput::tests::should_add_event_from_remainder_returns_false_when_index_is_outside_remainder_interval ... ok
[INFO] [stdout] test throughput::tests::should_add_event_from_remainder_returns_false_when_no_remainder ... ok
[INFO] [stdout] test throughput::tests::remaining_sleep_duration_returns_zero_when_start_is_in_the_future ... ok
[INFO] [stdout] test throughput::tests::should_add_event_from_remainder_returns_true_when_index_is_in_remainder_interval ... ok
[INFO] [stdout] test throughput::tests::sleep_if_too_fast_returns_false_if_duration_zero ... ok
[INFO] [stdout] test throughput::tests::sleep_if_too_fast_returns_true_if_duration_not_zero ... ok
[INFO] [stdout] test throughput::tests::to_millis_converts_duration_to_integer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/mono_thread_inttest.rs (/opt/rustwide/target/debug/deps/mono_thread_inttest-003acf0ba06a7141)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test throughput_generator_calls_event_function_thousands_times_a_sec ... ok
[INFO] [stdout] test throughput_generator_calls_event_function_once_a_sec ... ok
[INFO] [stdout] test throughput_generator_calls_event_function_three_hundred_times_a_sec ... ok
[INFO] [stdout] test throughput_generator_calls_event_function_five_hundred_times_a_sec ... ok
[INFO] [stdout] test throughput_generator_calls_event_function_hundred_times_a_sec ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 10.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests erosion
[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" "599850d4bf3b283aa7e06051d3443dfe385f02772ead2ea783b57ba173fcca33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "599850d4bf3b283aa7e06051d3443dfe385f02772ead2ea783b57ba173fcca33", kill_on_drop: false }`
[INFO] [stdout] 599850d4bf3b283aa7e06051d3443dfe385f02772ead2ea783b57ba173fcca33