[INFO] fetching crate rust-timeit 0.3.0...
[INFO] testing rust-timeit-0.3.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate rust-timeit 0.3.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate rust-timeit 0.3.0
[INFO] finished tweaking crates.io crate rust-timeit 0.3.0
[INFO] tweaked toml for crates.io crate rust-timeit 0.3.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-timeit 0.3.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rust-timeit 0.3.0 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.1
[INFO] [stderr]   Downloaded arrayvec v0.5.2
[INFO] [stderr]   Downloaded dirs-sys v0.3.5
[INFO] [stderr]   Downloaded redox_users v0.3.5
[INFO] [stderr]   Downloaded blake2b_simd v0.5.11
[INFO] [stderr]   Downloaded argh_shared v0.1.4
[INFO] [stderr]   Downloaded rust-argon2 v0.8.3
[INFO] [stderr]   Downloaded autocfg v1.0.1
[INFO] [stderr]   Downloaded argh_derive v0.1.4
[INFO] [stderr]   Downloaded arrayref v0.3.6
[INFO] [stderr]   Downloaded quote v1.0.8
[INFO] [stderr]   Downloaded proc-macro2 v1.0.24
[INFO] [stderr]   Downloaded heck v0.3.2
[INFO] [stderr]   Downloaded argh v0.1.4
[INFO] [stderr]   Downloaded unicode-segmentation v1.7.1
[INFO] [stderr]   Downloaded base64 v0.13.0
[INFO] [stderr]   Downloaded getrandom v0.1.16
[INFO] [stderr]   Downloaded redox_syscall v0.1.57
[INFO] [stderr]   Downloaded dirs v3.0.1
[INFO] [stderr]   Downloaded constant_time_eq v0.1.5
[INFO] [stderr]   Downloaded syn v1.0.58
[INFO] [stderr]   Downloaded libc v0.2.82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2a420fc54e498618a08f72b6ad469f0e6e07c945f923bf3b1de3927e95c1256
[INFO] running `Command { std: "docker" "start" "-a" "f2a420fc54e498618a08f72b6ad469f0e6e07c945f923bf3b1de3927e95c1256", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2a420fc54e498618a08f72b6ad469f0e6e07c945f923bf3b1de3927e95c1256", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2a420fc54e498618a08f72b6ad469f0e6e07c945f923bf3b1de3927e95c1256", kill_on_drop: false }`
[INFO] [stdout] f2a420fc54e498618a08f72b6ad469f0e6e07c945f923bf3b1de3927e95c1256
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfc96340d64d4f599693e5449169ec60043eecdd9874238e0513c5b416496ab3
[INFO] running `Command { std: "docker" "start" "-a" "cfc96340d64d4f599693e5449169ec60043eecdd9874238e0513c5b416496ab3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling argh_shared v0.1.4
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling dirs v3.0.1
[INFO] [stderr]    Compiling argh_derive v0.1.4
[INFO] [stderr]    Compiling argh v0.1.4
[INFO] [stderr]    Compiling rust-timeit v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Help` is never constructed
[INFO] [stdout]   --> src/main.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |           enum PerfMode {
[INFO] [stdout]    |                -------- variant in this enum
[INFO] [stdout] 26 |               Help,
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 | / perf_mode! {
[INFO] [stdout] 63 | |     Cycles => "cycles",
[INFO] [stdout] 64 | |     Instructions => "instructions",
[INFO] [stdout] 65 | |     Branches => "branches",
[INFO] [stdout] ...  |
[INFO] [stdout] 70 | |     RefCycles => "ref-cycles",
[INFO] [stdout] 71 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PerfMode` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `perf_mode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.37s
[INFO] running `Command { std: "docker" "inspect" "cfc96340d64d4f599693e5449169ec60043eecdd9874238e0513c5b416496ab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfc96340d64d4f599693e5449169ec60043eecdd9874238e0513c5b416496ab3", kill_on_drop: false }`
[INFO] [stdout] cfc96340d64d4f599693e5449169ec60043eecdd9874238e0513c5b416496ab3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1138ceb74e90293a84c98f87e4147f27363b5412590141a48889799b39eb0893
[INFO] running `Command { std: "docker" "start" "-a" "1138ceb74e90293a84c98f87e4147f27363b5412590141a48889799b39eb0893", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-timeit v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Help` is never constructed
[INFO] [stdout]   --> src/main.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |           enum PerfMode {
[INFO] [stdout]    |                -------- variant in this enum
[INFO] [stdout] 26 |               Help,
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 | / perf_mode! {
[INFO] [stdout] 63 | |     Cycles => "cycles",
[INFO] [stdout] 64 | |     Instructions => "instructions",
[INFO] [stdout] 65 | |     Branches => "branches",
[INFO] [stdout] ...  |
[INFO] [stdout] 70 | |     RefCycles => "ref-cycles",
[INFO] [stdout] 71 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PerfMode` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `perf_mode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "1138ceb74e90293a84c98f87e4147f27363b5412590141a48889799b39eb0893", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1138ceb74e90293a84c98f87e4147f27363b5412590141a48889799b39eb0893", kill_on_drop: false }`
[INFO] [stdout] 1138ceb74e90293a84c98f87e4147f27363b5412590141a48889799b39eb0893
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 77656bce32bf6892b64857b1a7babd4110e8719974c3e4b028df6be6cb7140ef
[INFO] running `Command { std: "docker" "start" "-a" "77656bce32bf6892b64857b1a7babd4110e8719974c3e4b028df6be6cb7140ef", kill_on_drop: false }`
[INFO] [stderr] warning: variant `Help` is never constructed
[INFO] [stderr]   --> src/main.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |           enum PerfMode {
[INFO] [stderr]    |                -------- variant in this enum
[INFO] [stderr] 26 |               Help,
[INFO] [stderr]    |               ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 62 | / perf_mode! {
[INFO] [stderr] 63 | |     Cycles => "cycles",
[INFO] [stderr] 64 | |     Instructions => "instructions",
[INFO] [stderr] 65 | |     Branches => "branches",
[INFO] [stderr] ...  |
[INFO] [stderr] 70 | |     RefCycles => "ref-cycles",
[INFO] [stderr] 71 | | }
[INFO] [stderr]    | |_- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `PerfMode` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `perf_mode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-timeit` (bin "rust-timeit" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_timeit-374a189ba247a72b)
[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" "77656bce32bf6892b64857b1a7babd4110e8719974c3e4b028df6be6cb7140ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77656bce32bf6892b64857b1a7babd4110e8719974c3e4b028df6be6cb7140ef", kill_on_drop: false }`
[INFO] [stdout] 77656bce32bf6892b64857b1a7babd4110e8719974c3e4b028df6be6cb7140ef