[INFO] fetching crate cpu_timer 0.1.1...
[INFO] testing cpu_timer-0.1.1 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate cpu_timer 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate cpu_timer 0.1.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate cpu_timer 0.1.1
[INFO] tweaked toml for crates.io crate cpu_timer 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cpu_timer 0.1.1 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4d0fb321395b6576f8ac3924bf2c5472591fcbf7f334d129c2e240ac0a2d206
[INFO] running `Command { std: "docker" "start" "-a" "b4d0fb321395b6576f8ac3924bf2c5472591fcbf7f334d129c2e240ac0a2d206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4d0fb321395b6576f8ac3924bf2c5472591fcbf7f334d129c2e240ac0a2d206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4d0fb321395b6576f8ac3924bf2c5472591fcbf7f334d129c2e240ac0a2d206", kill_on_drop: false }`
[INFO] [stdout] b4d0fb321395b6576f8ac3924bf2c5472591fcbf7f334d129c2e240ac0a2d206
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa15e17bce36646ea6b65bb2780363a5f77ba378d4813111e574cf84aaee51f2
[INFO] running `Command { std: "docker" "start" "-a" "fa15e17bce36646ea6b65bb2780363a5f77ba378d4813111e574cf84aaee51f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling cpu_timer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Asm` is never constructed
[INFO] [stdout]   --> src/arch.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Asm(());
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "fa15e17bce36646ea6b65bb2780363a5f77ba378d4813111e574cf84aaee51f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa15e17bce36646ea6b65bb2780363a5f77ba378d4813111e574cf84aaee51f2", kill_on_drop: false }`
[INFO] [stdout] fa15e17bce36646ea6b65bb2780363a5f77ba378d4813111e574cf84aaee51f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e5cf144b7a8e6a23fa428e118d7fca080d55b71ba11100f975a58e7060df476
[INFO] running `Command { std: "docker" "start" "-a" "8e5cf144b7a8e6a23fa428e118d7fca080d55b71ba11100f975a58e7060df476", kill_on_drop: false }`
[INFO] [stderr]    Compiling cpu_timer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Asm` is never constructed
[INFO] [stdout]   --> src/arch.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Asm(());
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]  --> tests/arr_vec.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     for i in 0..10_000_000 {
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Asm` is never constructed
[INFO] [stdout]   --> src/arch.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Asm(());
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.61s
[INFO] running `Command { std: "docker" "inspect" "8e5cf144b7a8e6a23fa428e118d7fca080d55b71ba11100f975a58e7060df476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e5cf144b7a8e6a23fa428e118d7fca080d55b71ba11100f975a58e7060df476", kill_on_drop: false }`
[INFO] [stdout] 8e5cf144b7a8e6a23fa428e118d7fca080d55b71ba11100f975a58e7060df476
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 51a8c79fc454582742a927be945a1928ec9d78af0cb5769bf674f6eebca6cce4
[INFO] running `Command { std: "docker" "start" "-a" "51a8c79fc454582742a927be945a1928ec9d78af0cb5769bf674f6eebca6cce4", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Asm` is never constructed
[INFO] [stderr]   --> src/arch.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub struct Asm(());
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cpu_timer` (lib) generated 1 warning
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]  --> tests/arr_vec.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     for i in 0..10_000_000 {
[INFO] [stderr]   |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cpu_timer` (test "arr_vec") generated 1 warning
[INFO] [stderr] warning: `cpu_timer` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cpu_timer-55385215ef7bcbbe)
[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 tests/arr_vec.rs (/opt/rustwide/target/debug/deps/arr_vec-c5e63f4523acfb4a)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test stuff ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.38s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/cpu_timer.rs (/opt/rustwide/target/debug/deps/cpu_timer-c978e646bf6e2010)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_timer ... ok
[INFO] [stdout] test test_trace ... ok
[INFO] [stdout] test test_delta_timer ... ok
[INFO] [stdout] test test_timer_values ... ok
[INFO] [stdout] test test_acc_trace ... FAILED
[INFO] [stdout] test test_acc_timer ... ok
[INFO] [stderr] error: test failed, to rerun pass `--test cpu_timer`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test_acc_trace stdout ----
[INFO] [stdout] Error: "More than one outliers 16"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test_acc_trace
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 5 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "51a8c79fc454582742a927be945a1928ec9d78af0cb5769bf674f6eebca6cce4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51a8c79fc454582742a927be945a1928ec9d78af0cb5769bf674f6eebca6cce4", kill_on_drop: false }`
[INFO] [stdout] 51a8c79fc454582742a927be945a1928ec9d78af0cb5769bf674f6eebca6cce4