[INFO] fetching crate rust-timeit 0.3.0...
[INFO] testing rust-timeit-0.3.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate rust-timeit 0.3.0 into /workspace/builds/worker-5-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-timeit 0.3.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62298f67ca0815fa98868936ed807e725aecf17e7d53a5a6955efd3d11c24b58
[INFO] running `Command { std: "docker" "start" "-a" "62298f67ca0815fa98868936ed807e725aecf17e7d53a5a6955efd3d11c24b58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62298f67ca0815fa98868936ed807e725aecf17e7d53a5a6955efd3d11c24b58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62298f67ca0815fa98868936ed807e725aecf17e7d53a5a6955efd3d11c24b58", kill_on_drop: false }`
[INFO] [stdout] 62298f67ca0815fa98868936ed807e725aecf17e7d53a5a6955efd3d11c24b58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5809640e225b36970161d4495ecd01478ccce7067d360b085a078c083308234f
[INFO] running `Command { std: "docker" "start" "-a" "5809640e225b36970161d4495ecd01478ccce7067d360b085a078c083308234f", 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 heck v0.3.2
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling quote v1.0.8
[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)]` (part of `#[warn(unused)]`) 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 6.24s
[INFO] running `Command { std: "docker" "inspect" "5809640e225b36970161d4495ecd01478ccce7067d360b085a078c083308234f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5809640e225b36970161d4495ecd01478ccce7067d360b085a078c083308234f", kill_on_drop: false }`
[INFO] [stdout] 5809640e225b36970161d4495ecd01478ccce7067d360b085a078c083308234f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f788dd8103c5811725efbf83f1fc50c35f68cb5c69c287deda3883d490f97bae
[INFO] running `Command { std: "docker" "start" "-a" "f788dd8103c5811725efbf83f1fc50c35f68cb5c69c287deda3883d490f97bae", 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)]` (part of `#[warn(unused)]`) 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 0.39s
[INFO] running `Command { std: "docker" "inspect" "f788dd8103c5811725efbf83f1fc50c35f68cb5c69c287deda3883d490f97bae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f788dd8103c5811725efbf83f1fc50c35f68cb5c69c287deda3883d490f97bae", kill_on_drop: false }`
[INFO] [stdout] f788dd8103c5811725efbf83f1fc50c35f68cb5c69c287deda3883d490f97bae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 52bd30ec1d5590bbb19eb252a410309d2ad36d0cf2a51e73dc4bd4ac61035258
[INFO] running `Command { std: "docker" "start" "-a" "52bd30ec1d5590bbb19eb252a410309d2ad36d0cf2a51e73dc4bd4ac61035258", 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)]` (part of `#[warn(unused)]`) 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 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_timeit-5a5bbe14ecdda538)
[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" "52bd30ec1d5590bbb19eb252a410309d2ad36d0cf2a51e73dc4bd4ac61035258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52bd30ec1d5590bbb19eb252a410309d2ad36d0cf2a51e73dc4bd4ac61035258", kill_on_drop: false }`
[INFO] [stdout] 52bd30ec1d5590bbb19eb252a410309d2ad36d0cf2a51e73dc4bd4ac61035258