[INFO] fetching crate blackhole 0.20.2...
[INFO] testing blackhole-0.20.2 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate blackhole 0.20.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate blackhole 0.20.2 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate blackhole 0.20.2
[INFO] finished tweaking crates.io crate blackhole 0.20.2
[INFO] tweaked toml for crates.io crate blackhole 0.20.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "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" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03b30093f76d18370fcc0e5ca4c241eb3a0b06625e6d28b8cf63d8d86f3b172b
[INFO] running `Command { std: "docker" "start" "-a" "03b30093f76d18370fcc0e5ca4c241eb3a0b06625e6d28b8cf63d8d86f3b172b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03b30093f76d18370fcc0e5ca4c241eb3a0b06625e6d28b8cf63d8d86f3b172b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03b30093f76d18370fcc0e5ca4c241eb3a0b06625e6d28b8cf63d8d86f3b172b", kill_on_drop: false }`
[INFO] [stdout] 03b30093f76d18370fcc0e5ca4c241eb3a0b06625e6d28b8cf63d8d86f3b172b
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77d58ec2028bcd383b53694be2361da885aa3c6b47870345740eb4077c43ad2a
[INFO] running `Command { std: "docker" "start" "-a" "77d58ec2028bcd383b53694be2361da885aa3c6b47870345740eb4077c43ad2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling blackhole v0.20.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `8`
[INFO] [stdout]    --> src/root.rs:149:25
[INFO] [stdout]     |
[INFO] [stdout] 149 |         if cfg!(not(any(target_pointer_width="8", target_pointer_width="16"))) {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `target_pointer_width` are: `16`, `32`, `64`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "77d58ec2028bcd383b53694be2361da885aa3c6b47870345740eb4077c43ad2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77d58ec2028bcd383b53694be2361da885aa3c6b47870345740eb4077c43ad2a", kill_on_drop: false }`
[INFO] [stdout] 77d58ec2028bcd383b53694be2361da885aa3c6b47870345740eb4077c43ad2a
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c55f0a935295dca4683be16a68342a0d7a19ee77d33480c4b9bd43aeab9e584
[INFO] running `Command { std: "docker" "start" "-a" "7c55f0a935295dca4683be16a68342a0d7a19ee77d33480c4b9bd43aeab9e584", kill_on_drop: false }`
[INFO] [stdout] warning: unexpected `cfg` condition value: `8`
[INFO] [stdout]    --> src/root.rs:149:25
[INFO] [stdout]     |
[INFO] [stdout] 149 |         if cfg!(not(any(target_pointer_width="8", target_pointer_width="16"))) {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `target_pointer_width` are: `16`, `32`, `64`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling blackhole v0.20.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `8`
[INFO] [stdout]    --> src/root.rs:149:25
[INFO] [stdout]     |
[INFO] [stdout] 149 |         if cfg!(not(any(target_pointer_width="8", target_pointer_width="16"))) {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `target_pointer_width` are: `16`, `32`, `64`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "7c55f0a935295dca4683be16a68342a0d7a19ee77d33480c4b9bd43aeab9e584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c55f0a935295dca4683be16a68342a0d7a19ee77d33480c4b9bd43aeab9e584", kill_on_drop: false }`
[INFO] [stdout] 7c55f0a935295dca4683be16a68342a0d7a19ee77d33480c4b9bd43aeab9e584
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9ea5b59fe962f730f42cd0fa40f33ab6dec5f0f9a8a627b5a8f1fac4dad47764
[INFO] running `Command { std: "docker" "start" "-a" "9ea5b59fe962f730f42cd0fa40f33ab6dec5f0f9a8a627b5a8f1fac4dad47764", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition value: `8`
[INFO] [stderr]    --> src/root.rs:149:25
[INFO] [stderr]     |
[INFO] [stderr] 149 |         if cfg!(not(any(target_pointer_width="8", target_pointer_width="16"))) {
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected values for `target_pointer_width` are: `16`, `32`, `64`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stderr]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `blackhole` (lib) generated 1 warning
[INFO] [stderr] warning: `blackhole` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/blackhole-48c1d786e57f8fe7)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test job::test_one_time ... ok
[INFO] [stdout] test test_crate_version ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/root.rs (/opt/rustwide/target/debug/deps/root-9d0da2b6740fc220)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test stressing_black_hole ... ignored
[INFO] [stdout] test tests ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 1.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests blackhole
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/job.rs - job::OneTime (line 60) ... ok
[INFO] [stdout] test src/lib.rs - (line 59) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.50s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9ea5b59fe962f730f42cd0fa40f33ab6dec5f0f9a8a627b5a8f1fac4dad47764", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ea5b59fe962f730f42cd0fa40f33ab6dec5f0f9a8a627b5a8f1fac4dad47764", kill_on_drop: false }`
[INFO] [stdout] 9ea5b59fe962f730f42cd0fa40f33ab6dec5f0f9a8a627b5a8f1fac4dad47764
