[INFO] crate sema 0.1.4 is already in cache
[INFO] testing sema-0.1.4 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate sema 0.1.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate sema 0.1.4 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sema 0.1.4
[INFO] finished tweaking crates.io crate sema 0.1.4
[INFO] tweaked toml for crates.io crate sema 0.1.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c30e5951d6b8f13aa61219904218e6a7b3c8f0d8a1649798d8983fe513fc64a7
[INFO] running `"docker" "start" "-a" "c30e5951d6b8f13aa61219904218e6a7b3c8f0d8a1649798d8983fe513fc64a7"`
[INFO] [stderr]    Compiling libc v0.1.12
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling sema v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sys.rs:157:13
[INFO] [stderr]     |
[INFO] [stderr] 157 |             try!(self.wait());
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/sys.rs:50:31
[INFO] [stderr]    |
[INFO] [stderr] 50 |     const ONE_WAITER: usize = (1 << NWAITERS_SHIFT);
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/sys.rs:52:35
[INFO] [stderr]    |
[INFO] [stderr] 52 |     const NEG_ONE_WAITER: usize = (!0 << NWAITERS_SHIFT);
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.29s
[INFO] running `"docker" "inspect" "c30e5951d6b8f13aa61219904218e6a7b3c8f0d8a1649798d8983fe513fc64a7"`
[INFO] running `"docker" "rm" "-f" "c30e5951d6b8f13aa61219904218e6a7b3c8f0d8a1649798d8983fe513fc64a7"`
[INFO] [stdout] c30e5951d6b8f13aa61219904218e6a7b3c8f0d8a1649798d8983fe513fc64a7
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 327cac2208bb8c3d1e2cc1f9ca9452694c780bf4703bf6966f2e47ff96dbf7e5
[INFO] running `"docker" "start" "-a" "327cac2208bb8c3d1e2cc1f9ca9452694c780bf4703bf6966f2e47ff96dbf7e5"`
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sys.rs:157:13
[INFO] [stderr]     |
[INFO] [stderr] 157 |             try!(self.wait());
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/sys.rs:50:31
[INFO] [stderr]    |
[INFO] [stderr] 50 |     const ONE_WAITER: usize = (1 << NWAITERS_SHIFT);
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/sys.rs:52:35
[INFO] [stderr]    |
[INFO] [stderr] 52 |     const NEG_ONE_WAITER: usize = (!0 << NWAITERS_SHIFT);
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling sema v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sys.rs:157:13
[INFO] [stderr]     |
[INFO] [stderr] 157 |             try!(self.wait());
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/sys.rs:50:31
[INFO] [stderr]    |
[INFO] [stderr] 50 |     const ONE_WAITER: usize = (1 << NWAITERS_SHIFT);
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/sys.rs:52:35
[INFO] [stderr]    |
[INFO] [stderr] 52 |     const NEG_ONE_WAITER: usize = (!0 << NWAITERS_SHIFT);
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.46s
[INFO] running `"docker" "inspect" "327cac2208bb8c3d1e2cc1f9ca9452694c780bf4703bf6966f2e47ff96dbf7e5"`
[INFO] running `"docker" "rm" "-f" "327cac2208bb8c3d1e2cc1f9ca9452694c780bf4703bf6966f2e47ff96dbf7e5"`
[INFO] [stdout] 327cac2208bb8c3d1e2cc1f9ca9452694c780bf4703bf6966f2e47ff96dbf7e5
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] be9a255e2527cb5a7fbc41cd0b591c6b0bf8deaa0e1f2762cb2070f31971dc18
[INFO] running `"docker" "start" "-a" "be9a255e2527cb5a7fbc41cd0b591c6b0bf8deaa0e1f2762cb2070f31971dc18"`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sys.rs:157:13
[INFO] [stderr]     |
[INFO] [stderr] 157 |             try!(self.wait());
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/sys.rs:50:31
[INFO] [stderr]    |
[INFO] [stderr] 50 |     const ONE_WAITER: usize = (1 << NWAITERS_SHIFT);
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/sys.rs:52:35
[INFO] [stderr]    |
[INFO] [stderr] 52 |     const NEG_ONE_WAITER: usize = (!0 << NWAITERS_SHIFT);
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sys.rs:157:13
[INFO] [stderr]     |
[INFO] [stderr] 157 |             try!(self.wait());
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/sys.rs:50:31
[INFO] [stderr]    |
[INFO] [stderr] 50 |     const ONE_WAITER: usize = (1 << NWAITERS_SHIFT);
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/sys.rs:52:35
[INFO] [stderr]    |
[INFO] [stderr] 52 |     const NEG_ONE_WAITER: usize = (!0 << NWAITERS_SHIFT);
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sema-f3e1615b506e132c
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sema
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "be9a255e2527cb5a7fbc41cd0b591c6b0bf8deaa0e1f2762cb2070f31971dc18"`
[INFO] running `"docker" "rm" "-f" "be9a255e2527cb5a7fbc41cd0b591c6b0bf8deaa0e1f2762cb2070f31971dc18"`
[INFO] [stdout] be9a255e2527cb5a7fbc41cd0b591c6b0bf8deaa0e1f2762cb2070f31971dc18