[INFO] cloning repository https://github.com/imDema/gc-micro-challenger
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imDema/gc-micro-challenger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FimDema%2Fgc-micro-challenger", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FimDema%2Fgc-micro-challenger'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 115f7bd85f96ec7e682c553d1fc3a82237a3b4f3
[INFO] testing imDema/gc-micro-challenger against master#7704328ba5ae8d6ce0ac303c9d5a1a1605906766 for pr-146989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FimDema%2Fgc-micro-challenger" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/imDema/gc-micro-challenger
[INFO] finished tweaking git repo https://github.com/imDema/gc-micro-challenger
[INFO] tweaked toml for git repo https://github.com/imDema/gc-micro-challenger written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/imDema/gc-micro-challenger on toolchain 7704328ba5ae8d6ce0ac303c9d5a1a1605906766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/imDema/gc-micro-challenger 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" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] [stderr]   Downloaded openssl v0.10.69
[INFO] [stderr]   Downloaded rustls v0.23.21
[INFO] [stderr]   Downloaded color-eyre v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cba8ea332547116ed352377f37b3134ee9c8a2e91d414638504e5d2770046544
[INFO] running `Command { std: "docker" "start" "-a" "cba8ea332547116ed352377f37b3134ee9c8a2e91d414638504e5d2770046544", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cba8ea332547116ed352377f37b3134ee9c8a2e91d414638504e5d2770046544", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cba8ea332547116ed352377f37b3134ee9c8a2e91d414638504e5d2770046544", kill_on_drop: false }`
[INFO] [stdout] cba8ea332547116ed352377f37b3134ee9c8a2e91d414638504e5d2770046544
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8c3b9fc58e7088068f2af1e9a69e1f6c91000eee26c937099b6431a83e7e683
[INFO] running `Command { std: "docker" "start" "-a" "e8c3b9fc58e7088068f2af1e9a69e1f6c91000eee26c937099b6431a83e7e683", kill_on_drop: false }`
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[INFO] [stderr]    Compiling tokio-util v0.7.13
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[INFO] [stderr]    Compiling micro-challenger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/lib.rs:169:26
[INFO] [stdout]     |
[INFO] [stdout] 169 |                 .map(|x| (x.end - x.start))
[INFO] [stdout]     |                          ^               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 169 -                 .map(|x| (x.end - x.start))
[INFO] [stdout] 169 +                 .map(|x| x.end - x.start )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 04s
[INFO] running `Command { std: "docker" "inspect" "e8c3b9fc58e7088068f2af1e9a69e1f6c91000eee26c937099b6431a83e7e683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8c3b9fc58e7088068f2af1e9a69e1f6c91000eee26c937099b6431a83e7e683", kill_on_drop: false }`
[INFO] [stdout] e8c3b9fc58e7088068f2af1e9a69e1f6c91000eee26c937099b6431a83e7e683
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70801bf6c6f94ca493805da1c6e30c1996a69424f6c710f82d4704b821ed3cf2
[INFO] running `Command { std: "docker" "start" "-a" "70801bf6c6f94ca493805da1c6e30c1996a69424f6c710f82d4704b821ed3cf2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.96
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[INFO] [stderr]    Compiling openssl-sys v0.9.104
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.0
[INFO] [stderr]    Compiling openssl v0.10.69
[INFO] [stderr]    Compiling icu_properties_data v1.5.0
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[INFO] [stderr]    Compiling native-tls v0.2.13
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling zerofrom-derive v0.1.5
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]    Compiling tokio-macros v2.5.0
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[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling pin-project v1.1.8
[INFO] [stderr]    Compiling zerofrom v0.1.5
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[INFO] [stderr]    Compiling icu_collections v1.5.0
[INFO] [stderr]    Compiling icu_locid v1.5.0
[INFO] [stderr]    Compiling ulid v1.1.4
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[INFO] [stderr]    Compiling color-spantrace v0.2.1
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[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling icu_provider v1.5.0
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[INFO] [stderr]    Compiling icu_properties v1.5.1
[INFO] [stderr]    Compiling tokio-util v0.7.13
[INFO] [stderr]    Compiling tower v0.5.2
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[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
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[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling serde_path_to_error v0.1.16
[INFO] [stderr]    Compiling rmp-serde v1.3.0
[INFO] [stderr]    Compiling serde_bytes v0.11.15
[INFO] [stderr]    Compiling idna_adapter v1.2.0
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling time v0.3.37
[INFO] [stderr]    Compiling hyper v1.5.2
[INFO] [stderr]    Compiling hyper-util v0.1.10
[INFO] [stderr]    Compiling hyper-tls v0.6.0
[INFO] [stderr]    Compiling axum v0.7.9
[INFO] [stderr]    Compiling axum-server v0.6.0
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[INFO] [stderr]    Compiling micro-challenger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/lib.rs:169:26
[INFO] [stdout]     |
[INFO] [stdout] 169 |                 .map(|x| (x.end - x.start))
[INFO] [stdout]     |                          ^               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 169 -                 .map(|x| (x.end - x.start))
[INFO] [stdout] 169 +                 .map(|x| x.end - x.start )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/lib.rs:169:26
[INFO] [stdout]     |
[INFO] [stdout] 169 |                 .map(|x| (x.end - x.start))
[INFO] [stdout]     |                          ^               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 169 -                 .map(|x| (x.end - x.start))
[INFO] [stdout] 169 +                 .map(|x| x.end - x.start )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1m 14s
[INFO] running `Command { std: "docker" "inspect" "70801bf6c6f94ca493805da1c6e30c1996a69424f6c710f82d4704b821ed3cf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70801bf6c6f94ca493805da1c6e30c1996a69424f6c710f82d4704b821ed3cf2", kill_on_drop: false }`
[INFO] [stdout] 70801bf6c6f94ca493805da1c6e30c1996a69424f6c710f82d4704b821ed3cf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e0d3d65195a592625da4755c3783e3499b2806e66d98bf34ee2dff2f08d85554
[INFO] running `Command { std: "docker" "start" "-a" "e0d3d65195a592625da4755c3783e3499b2806e66d98bf34ee2dff2f08d85554", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]    --> src/lib.rs:169:26
[INFO] [stderr]     |
[INFO] [stderr] 169 |                 .map(|x| (x.end - x.start))
[INFO] [stderr]     |                          ^               ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 169 -                 .map(|x| (x.end - x.start))
[INFO] [stderr] 169 +                 .map(|x| x.end - x.start )
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `micro-challenger` (lib) generated 1 warning (run `cargo fix --lib -p micro-challenger` to apply 1 suggestion)
[INFO] [stderr] warning: `micro-challenger` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/micro_challenger-515a1a110b199fac)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/micro_challenger-9c50db66e8f5c5da)
[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] [stderr]    Doc-tests micro_challenger
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]    --> src/lib.rs:169:26
[INFO] [stderr]     |
[INFO] [stderr] 169 |                 .map(|x| (x.end - x.start))
[INFO] [stderr]     |                          ^               ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 169 -                 .map(|x| (x.end - x.start))
[INFO] [stderr] 169 +                 .map(|x| x.end - x.start )
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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" "e0d3d65195a592625da4755c3783e3499b2806e66d98bf34ee2dff2f08d85554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0d3d65195a592625da4755c3783e3499b2806e66d98bf34ee2dff2f08d85554", kill_on_drop: false }`
[INFO] [stdout] e0d3d65195a592625da4755c3783e3499b2806e66d98bf34ee2dff2f08d85554