[INFO] fetching crate cpu_timer 0.1.1...
[INFO] testing cpu_timer-0.1.1 against master#d933cf483edf1605142ac6899ff32536c0ad8b22 for pr-150933
[INFO] extracting crate cpu_timer 0.1.1 into /workspace/builds/worker-4-tc1/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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cpu_timer 0.1.1 on toolchain d933cf483edf1605142ac6899ff32536c0ad8b22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "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" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a4c2bb8b8573d010442488c97cd3179a921147c4860b36e8a3b21a1431c6dbd
[INFO] running `Command { std: "docker" "start" "-a" "4a4c2bb8b8573d010442488c97cd3179a921147c4860b36e8a3b21a1431c6dbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a4c2bb8b8573d010442488c97cd3179a921147c4860b36e8a3b21a1431c6dbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a4c2bb8b8573d010442488c97cd3179a921147c4860b36e8a3b21a1431c6dbd", kill_on_drop: false }`
[INFO] [stdout] 4a4c2bb8b8573d010442488c97cd3179a921147c4860b36e8a3b21a1431c6dbd
[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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 721be76bd95588654c50675c42e2943ef8f2d75f8e61abdee505a1a95dffe13f
[INFO] running `Command { std: "docker" "start" "-a" "721be76bd95588654c50675c42e2943ef8f2d75f8e61abdee505a1a95dffe13f", 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "721be76bd95588654c50675c42e2943ef8f2d75f8e61abdee505a1a95dffe13f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "721be76bd95588654c50675c42e2943ef8f2d75f8e61abdee505a1a95dffe13f", kill_on_drop: false }`
[INFO] [stdout] 721be76bd95588654c50675c42e2943ef8f2d75f8e61abdee505a1a95dffe13f
[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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 753f76d150506ab64828d60fd35b654ab3902ce08baf2d2fd1f547f9b508a552
[INFO] running `Command { std: "docker" "start" "-a" "753f76d150506ab64828d60fd35b654ab3902ce08baf2d2fd1f547f9b508a552", 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "753f76d150506ab64828d60fd35b654ab3902ce08baf2d2fd1f547f9b508a552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "753f76d150506ab64828d60fd35b654ab3902ce08baf2d2fd1f547f9b508a552", kill_on_drop: false }`
[INFO] [stdout] 753f76d150506ab64828d60fd35b654ab3902ce08baf2d2fd1f547f9b508a552
[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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ecc64c505fda906177448a9f914ebce48b7475db6399465225a5328ceac3938b
[INFO] running `Command { std: "docker" "start" "-a" "ecc64c505fda906177448a9f914ebce48b7475db6399465225a5328ceac3938b", 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cpu_timer` (test "arr_vec") generated 1 warning (run `cargo fix --test "arr_vec" -p cpu_timer` to apply 1 suggestion)
[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-1d9dd549c78d713f)
[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-209d665d6dcce87f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test stuff ... ok
[INFO] [stderr]      Running tests/cpu_timer.rs (/opt/rustwide/target/debug/deps/cpu_timer-70e47094c07f28e2)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.66s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_delta_timer ... ok
[INFO] [stdout] test test_timer ... ok
[INFO] [stdout] test test_trace ... ok
[INFO] [stdout] test test_acc_trace ... ok
[INFO] [stdout] test test_timer_values ... ok
[INFO] [stdout] test test_acc_timer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.60s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cpu_timer
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/arch.rs - arch::TDesc (line 12) ... ignored
[INFO] [stdout] test src/traits.rs - traits::TArch (line 153) ... ignored
[INFO] [stdout] test src/lib.rs - (line 139) ... ok
[INFO] [stdout] test src/lib.rs - (line 89) ... ok
[INFO] [stdout] test src/acc_vec.rs - acc_vec::AccVec (line 171) ... ok
[INFO] [stdout] test src/lib.rs - (line 159) ... ok
[INFO] [stdout] test src/acc_vec.rs - acc_vec::AccVec (line 218) ... ok
[INFO] [stdout] test src/acc_vec.rs - acc_vec::AccVec (line 252) ... ok
[INFO] [stdout] test src/timers.rs - timers::DeltaTimer (line 57) ... ok
[INFO] [stdout] test src/acc_vec.rs - acc_vec::AccVec (line 193) ... ok
[INFO] [stdout] test src/lib.rs - (line 67) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.76s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ecc64c505fda906177448a9f914ebce48b7475db6399465225a5328ceac3938b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecc64c505fda906177448a9f914ebce48b7475db6399465225a5328ceac3938b", kill_on_drop: false }`
[INFO] [stdout] ecc64c505fda906177448a9f914ebce48b7475db6399465225a5328ceac3938b