[INFO] fetching crate ct-utils 0.0.1... [INFO] testing ct-utils-0.0.1 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] extracting crate ct-utils 0.0.1 into /workspace/builds/worker-15/source [INFO] validating manifest of crates.io crate ct-utils 0.0.1 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ct-utils 0.0.1 [INFO] finished tweaking crates.io crate ct-utils 0.0.1 [INFO] tweaked toml for crates.io crate ct-utils 0.0.1 written to /workspace/builds/worker-15/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cd897c50b30ef0551fa335ce13306cca9e4ad43665028d5341b6f5359ee41a11 [INFO] running `Command { std: "docker" "start" "-a" "cd897c50b30ef0551fa335ce13306cca9e4ad43665028d5341b6f5359ee41a11", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cd897c50b30ef0551fa335ce13306cca9e4ad43665028d5341b6f5359ee41a11", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd897c50b30ef0551fa335ce13306cca9e4ad43665028d5341b6f5359ee41a11", kill_on_drop: false }` [INFO] [stdout] cd897c50b30ef0551fa335ce13306cca9e4ad43665028d5341b6f5359ee41a11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6781e32b801aea4a55addaff403b363ca8115188a78a3de33569b57923c076e8 [INFO] running `Command { std: "docker" "start" "-a" "6781e32b801aea4a55addaff403b363ca8115188a78a3de33569b57923c076e8", kill_on_drop: false }` [INFO] [stderr] Compiling typenum v1.13.0 [INFO] [stderr] Compiling ct-utils v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.46s [INFO] running `Command { std: "docker" "inspect" "6781e32b801aea4a55addaff403b363ca8115188a78a3de33569b57923c076e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6781e32b801aea4a55addaff403b363ca8115188a78a3de33569b57923c076e8", kill_on_drop: false }` [INFO] [stdout] 6781e32b801aea4a55addaff403b363ca8115188a78a3de33569b57923c076e8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3e464d9ae40cd7fa25c2196d3f2340510b6ed6929598e94c14cb9bbb98eead57 [INFO] running `Command { std: "docker" "start" "-a" "3e464d9ae40cd7fa25c2196d3f2340510b6ed6929598e94c14cb9bbb98eead57", kill_on_drop: false }` [INFO] [stderr] Compiling ct-utils v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.55s [INFO] running `Command { std: "docker" "inspect" "3e464d9ae40cd7fa25c2196d3f2340510b6ed6929598e94c14cb9bbb98eead57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e464d9ae40cd7fa25c2196d3f2340510b6ed6929598e94c14cb9bbb98eead57", kill_on_drop: false }` [INFO] [stdout] 3e464d9ae40cd7fa25c2196d3f2340510b6ed6929598e94c14cb9bbb98eead57 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 28f813f7b2000cb1f4576a8a1af21f023b437926d6bccc7eb01f1a1368c92d75 [INFO] running `Command { std: "docker" "start" "-a" "28f813f7b2000cb1f4576a8a1af21f023b437926d6bccc7eb01f1a1368c92d75", kill_on_drop: false }` [INFO] [stderr] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stderr] --> src/lib.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(specialization)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(incomplete_features)]` on by default [INFO] [stderr] = note: see issue #31844 for more information [INFO] [stderr] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stderr] --> src/lib.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(specialization)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(incomplete_features)]` on by default [INFO] [stderr] = note: see issue #31844 for more information [INFO] [stderr] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ct_utils-fed3fa6e219aa49a) [INFO] [stdout] running 8 tests [INFO] [stdout] test ct_cons::test::offset_end ... ok [INFO] [stdout] test ct_cons::test::sized_big ... ok [INFO] [stdout] test ct_cons::test::sized_single ... ok [INFO] [stdout] test ct_cons::test::offset_unknown ... ok [INFO] [stdout] test ct_if::test::test_false ... ok [INFO] [stdout] test ct_cons::test::offset_middle ... ok [INFO] [stdout] test ct_if::test::test_true ... ok [INFO] [stderr] Doc-tests ct_utils [INFO] [stdout] test ct_cons::test::offset_first ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stderr] --> /opt/rustwide/workdir/src/lib.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(specialization)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(incomplete_features)]` on by default [INFO] [stderr] = note: see issue #31844 for more information [INFO] [stderr] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test src/ct_if.rs - ct_if::IfCheck (line 82) ... ignored [INFO] [stdout] test src/ct_if.rs - ctif_specialize (line 134) ... ignored [INFO] [stdout] test src/ct_if.rs - ctif_specialize (line 143) ... ignored [INFO] [stdout] test src/ct_if.rs - ct_if (line 16) - compile ... ok [INFO] [stdout] test src/ct_cons.rs - ct_cons::CTSized (line 90) ... ok [INFO] [stdout] test src/ct_if.rs - ct_if (line 6) ... ok [INFO] [stdout] test src/ct_cons.rs - ct_cons (line 6) ... ok [INFO] [stdout] test src/ct_cons.rs - ct_cons::CTOffset (line 122) ... ok [INFO] [stdout] test src/ct_cons.rs - ct_cons::CTAppend (line 69) ... ok [INFO] [stdout] test src/ct_cons.rs - ct_cons::CTOffsetExt (line 149) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 0.35s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "28f813f7b2000cb1f4576a8a1af21f023b437926d6bccc7eb01f1a1368c92d75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28f813f7b2000cb1f4576a8a1af21f023b437926d6bccc7eb01f1a1368c92d75", kill_on_drop: false }` [INFO] [stdout] 28f813f7b2000cb1f4576a8a1af21f023b437926d6bccc7eb01f1a1368c92d75