[INFO] fetching crate rcf 0.1.2... [INFO] testing rcf-0.1.2 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] extracting crate rcf 0.1.2 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate rcf 0.1.2 on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rcf 0.1.2 [INFO] finished tweaking crates.io crate rcf 0.1.2 [INFO] tweaked toml for crates.io crate rcf 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate crates.io crate rcf 0.1.2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded crossbeam v0.8.0 [INFO] [stderr] Downloaded fuzzy-matcher v0.3.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", 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] 26ca846faddbb0ee01700a0c3b57283e6cd1ceab4380c283cd85834c7a9ccfd0 [INFO] running `Command { std: "docker" "start" "-a" "26ca846faddbb0ee01700a0c3b57283e6cd1ceab4380c283cd85834c7a9ccfd0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "26ca846faddbb0ee01700a0c3b57283e6cd1ceab4380c283cd85834c7a9ccfd0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "26ca846faddbb0ee01700a0c3b57283e6cd1ceab4380c283cd85834c7a9ccfd0", kill_on_drop: false }` [INFO] [stdout] 26ca846faddbb0ee01700a0c3b57283e6cd1ceab4380c283cd85834c7a9ccfd0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3e88556be1d91fb8ba748437f9112fe5af8e94a0ad66970f3ca9534bf777bd28 [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" "3e88556be1d91fb8ba748437f9112fe5af8e94a0ad66970f3ca9534bf777bd28", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling const_fn v0.4.4 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling numtoa v0.1.0 [INFO] [stderr] Compiling itertools v0.10.0 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling fuzzy-matcher v0.3.7 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling termion v1.5.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.1 [INFO] [stderr] Compiling crossbeam-queue v0.3.1 [INFO] [stderr] Compiling crossbeam-channel v0.5.0 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling crossbeam v0.8.0 [INFO] [stderr] Compiling rcf v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/lib.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | id: u32, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 16.54s [INFO] running `Command { std: "docker" "inspect" "3e88556be1d91fb8ba748437f9112fe5af8e94a0ad66970f3ca9534bf777bd28", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e88556be1d91fb8ba748437f9112fe5af8e94a0ad66970f3ca9534bf777bd28", kill_on_drop: false }` [INFO] [stdout] 3e88556be1d91fb8ba748437f9112fe5af8e94a0ad66970f3ca9534bf777bd28 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 88a841531705aafe68d786ef076a1f2c4b27087b0e12ffcd43bfbe4d8d72c62e [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" "88a841531705aafe68d786ef076a1f2c4b27087b0e12ffcd43bfbe4d8d72c62e", kill_on_drop: false }` [INFO] [stderr] Compiling rcf v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/lib.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | id: u32, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/lib.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | id: u32, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.33s [INFO] running `Command { std: "docker" "inspect" "88a841531705aafe68d786ef076a1f2c4b27087b0e12ffcd43bfbe4d8d72c62e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88a841531705aafe68d786ef076a1f2c4b27087b0e12ffcd43bfbe4d8d72c62e", kill_on_drop: false }` [INFO] [stdout] 88a841531705aafe68d786ef076a1f2c4b27087b0e12ffcd43bfbe4d8d72c62e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", 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] 4f02aabb57d5f1ce268f7e3394c0b3f031a78c30be7dcea95dadecd9b1768000 [INFO] running `Command { std: "docker" "start" "-a" "4f02aabb57d5f1ce268f7e3394c0b3f031a78c30be7dcea95dadecd9b1768000", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: field is never read: `id` [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/lib.rs:39:5 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 39 | id: u32, [INFO] [stdout] [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `rcf` (lib) generated 1 warning [INFO] [stderr] warning: `rcf` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rcf-d8784734730d8020) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rcf-bbb03c4ec918e5c1) [INFO] [stdout] [INFO] [stderr] Doc-tests rcf [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] [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" "4f02aabb57d5f1ce268f7e3394c0b3f031a78c30be7dcea95dadecd9b1768000", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f02aabb57d5f1ce268f7e3394c0b3f031a78c30be7dcea95dadecd9b1768000", kill_on_drop: false }` [INFO] [stdout] 4f02aabb57d5f1ce268f7e3394c0b3f031a78c30be7dcea95dadecd9b1768000