[INFO] fetching crate unsafe_unwrap 0.1.0... [INFO] testing unsafe_unwrap-0.1.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] extracting crate unsafe_unwrap 0.1.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate unsafe_unwrap 0.1.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate unsafe_unwrap 0.1.0 [INFO] finished tweaking crates.io crate unsafe_unwrap 0.1.0 [INFO] tweaked toml for crates.io crate unsafe_unwrap 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b7f717f806b9ba23ab3acbb35eefd4b7362cb6d9e82ae130f77dc993b5bf7c25 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "b7f717f806b9ba23ab3acbb35eefd4b7362cb6d9e82ae130f77dc993b5bf7c25", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b7f717f806b9ba23ab3acbb35eefd4b7362cb6d9e82ae130f77dc993b5bf7c25", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7f717f806b9ba23ab3acbb35eefd4b7362cb6d9e82ae130f77dc993b5bf7c25", kill_on_drop: false }` [INFO] [stdout] b7f717f806b9ba23ab3acbb35eefd4b7362cb6d9e82ae130f77dc993b5bf7c25 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d71ab74d2f9eb5b2bdb53331ad256ce69b2246b5d18a8245c72ec4360345c3fb [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d71ab74d2f9eb5b2bdb53331ad256ce69b2246b5d18a8245c72ec4360345c3fb", kill_on_drop: false }` [INFO] [stderr] Compiling unsafe_unwrap v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 47 | match transmute::<_, Impossible>(ZeroSized) {} [INFO] [stdout] | ^^^^^^-------------------------------------^^^ [INFO] [stdout] | | | [INFO] [stdout] | | any code following this expression is unreachable [INFO] [stdout] | unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] note: this expression has type `Impossible`, which is uninhabited [INFO] [stdout] --> src/lib.rs:47:15 [INFO] [stdout] | [INFO] [stdout] 47 | match transmute::<_, Impossible>(ZeroSized) {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.37s [INFO] running `Command { std: "docker" "inspect" "d71ab74d2f9eb5b2bdb53331ad256ce69b2246b5d18a8245c72ec4360345c3fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d71ab74d2f9eb5b2bdb53331ad256ce69b2246b5d18a8245c72ec4360345c3fb", kill_on_drop: false }` [INFO] [stdout] d71ab74d2f9eb5b2bdb53331ad256ce69b2246b5d18a8245c72ec4360345c3fb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] dcc0b5227e8d392c7fa21d6d708ef98f7ee2c6c127e53cdc66854d48a2264cc7 [INFO] running `Command { std: "docker" "start" "-a" "dcc0b5227e8d392c7fa21d6d708ef98f7ee2c6c127e53cdc66854d48a2264cc7", kill_on_drop: false }` [INFO] [stderr] Compiling unsafe_unwrap v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 47 | match transmute::<_, Impossible>(ZeroSized) {} [INFO] [stdout] | ^^^^^^-------------------------------------^^^ [INFO] [stdout] | | | [INFO] [stdout] | | any code following this expression is unreachable [INFO] [stdout] | unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] note: this expression has type `Impossible`, which is uninhabited [INFO] [stdout] --> src/lib.rs:47:15 [INFO] [stdout] | [INFO] [stdout] 47 | match transmute::<_, Impossible>(ZeroSized) {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 47 | match transmute::<_, Impossible>(ZeroSized) {} [INFO] [stdout] | ^^^^^^-------------------------------------^^^ [INFO] [stdout] | | | [INFO] [stdout] | | any code following this expression is unreachable [INFO] [stdout] | unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] note: this expression has type `Impossible`, which is uninhabited [INFO] [stdout] --> src/lib.rs:47:15 [INFO] [stdout] | [INFO] [stdout] 47 | match transmute::<_, Impossible>(ZeroSized) {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.95s [INFO] running `Command { std: "docker" "inspect" "dcc0b5227e8d392c7fa21d6d708ef98f7ee2c6c127e53cdc66854d48a2264cc7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dcc0b5227e8d392c7fa21d6d708ef98f7ee2c6c127e53cdc66854d48a2264cc7", kill_on_drop: false }` [INFO] [stdout] dcc0b5227e8d392c7fa21d6d708ef98f7ee2c6c127e53cdc66854d48a2264cc7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 592ebeb3dfc3b985294eb7170d96ec99817ee122be935bc76669f1605084e6b0 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "592ebeb3dfc3b985294eb7170d96ec99817ee122be935bc76669f1605084e6b0", kill_on_drop: false }` [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/lib.rs:47:9 [INFO] [stderr] | [INFO] [stderr] 47 | match transmute::<_, Impossible>(ZeroSized) {} [INFO] [stderr] | ^^^^^^-------------------------------------^^^ [INFO] [stderr] | | | [INFO] [stderr] | | any code following this expression is unreachable [INFO] [stderr] | unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] note: this expression has type `Impossible`, which is uninhabited [INFO] [stderr] --> src/lib.rs:47:15 [INFO] [stderr] | [INFO] [stderr] 47 | match transmute::<_, Impossible>(ZeroSized) {} [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `unsafe_unwrap` (lib) generated 1 warning [INFO] [stderr] warning: `unsafe_unwrap` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/unsafe_unwrap-4e28010e99d94a96) [INFO] [stdout] running 6 tests [INFO] [stdout] test benches::bench_normal_unwrap_1000 ... ok [INFO] [stdout] test tests::result_unwrap_success ... ok [INFO] [stdout] test benches::bench_unsafe_unwrap_1000 ... ok [INFO] [stdout] test tests::option_unwrap_success ... ok [INFO] [stderr] Doc-tests unsafe_unwrap [INFO] [stdout] test tests::option_unwrap_failure - should panic ... ok [INFO] [stdout] test tests::result_unwrap_failure - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 15) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.54s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "592ebeb3dfc3b985294eb7170d96ec99817ee122be935bc76669f1605084e6b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "592ebeb3dfc3b985294eb7170d96ec99817ee122be935bc76669f1605084e6b0", kill_on_drop: false }` [INFO] [stdout] 592ebeb3dfc3b985294eb7170d96ec99817ee122be935bc76669f1605084e6b0