[INFO] fetching crate caoe 0.1.2... [INFO] testing caoe-0.1.2 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] extracting crate caoe 0.1.2 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate caoe 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 caoe 0.1.2 [INFO] finished tweaking crates.io crate caoe 0.1.2 [INFO] tweaked toml for crates.io crate caoe 0.1.2 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [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 findshlibs v0.8.0 [INFO] [stderr] Downloaded procspawn v0.10.0 [INFO] [stderr] Downloaded ipc-channel v0.15.0 [INFO] [stderr] Downloaded prctl v1.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stdout] 845d5183e2eb51c886a553e6bfa080fbacb23745f52aeac3cf2cf294e0d91d59 [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" "845d5183e2eb51c886a553e6bfa080fbacb23745f52aeac3cf2cf294e0d91d59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "845d5183e2eb51c886a553e6bfa080fbacb23745f52aeac3cf2cf294e0d91d59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "845d5183e2eb51c886a553e6bfa080fbacb23745f52aeac3cf2cf294e0d91d59", kill_on_drop: false }` [INFO] [stdout] 845d5183e2eb51c886a553e6bfa080fbacb23745f52aeac3cf2cf294e0d91d59 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 67984706b411ae195cff609d9c0da0b01a3506e875d82082f548e8fcc14b9e44 [INFO] running `Command { std: "docker" "start" "-a" "67984706b411ae195cff609d9c0da0b01a3506e875d82082f548e8fcc14b9e44", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.107 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling nix v0.22.2 [INFO] [stderr] Compiling prctl v1.0.0 [INFO] [stderr] Compiling caoe v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/lib.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/lib.rs:97:9 [INFO] [stdout] | [INFO] [stdout] 94 | / loop { [INFO] [stdout] 95 | | pause(); [INFO] [stdout] 96 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] 97 | return; [INFO] [stdout] | ^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 15.52s [INFO] running `Command { std: "docker" "inspect" "67984706b411ae195cff609d9c0da0b01a3506e875d82082f548e8fcc14b9e44", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "67984706b411ae195cff609d9c0da0b01a3506e875d82082f548e8fcc14b9e44", kill_on_drop: false }` [INFO] [stdout] 67984706b411ae195cff609d9c0da0b01a3506e875d82082f548e8fcc14b9e44 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 557fe4517d18b190ab2fd88c168bf3943f985e6590cd8cc5ccd0800c8947d756 [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" "557fe4517d18b190ab2fd88c168bf3943f985e6590cd8cc5ccd0800c8947d756", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling slab v0.4.5 [INFO] [stderr] Compiling gimli v0.26.1 [INFO] [stderr] Compiling rustc-demangle v0.1.21 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling backtrace v0.3.63 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling findshlibs v0.8.0 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/lib.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/lib.rs:97:9 [INFO] [stdout] | [INFO] [stdout] 94 | / loop { [INFO] [stdout] 95 | | pause(); [INFO] [stdout] 96 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] 97 | return; [INFO] [stdout] | ^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling uuid v0.8.2 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling crossbeam-channel v0.4.4 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling tempfile v3.2.0 [INFO] [stderr] Compiling addr2line v0.17.0 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling bincode v1.3.3 [INFO] [stderr] Compiling ipc-channel v0.15.0 [INFO] [stderr] Compiling procspawn v0.10.0 [INFO] [stderr] Compiling caoe v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/lib.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/lib.rs:97:9 [INFO] [stdout] | [INFO] [stdout] 94 | / loop { [INFO] [stdout] 95 | | pause(); [INFO] [stdout] 96 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] 97 | return; [INFO] [stdout] | ^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1m 03s [INFO] running `Command { std: "docker" "inspect" "557fe4517d18b190ab2fd88c168bf3943f985e6590cd8cc5ccd0800c8947d756", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "557fe4517d18b190ab2fd88c168bf3943f985e6590cd8cc5ccd0800c8947d756", kill_on_drop: false }` [INFO] [stdout] 557fe4517d18b190ab2fd88c168bf3943f985e6590cd8cc5ccd0800c8947d756 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stdout] efb4e1c8bee73e1dbab7b83330aa52d1417f275b373ec2b2d1dbe2484483956e [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" "efb4e1c8bee73e1dbab7b83330aa52d1417f275b373ec2b2d1dbe2484483956e", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> src/lib.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/lib.rs:97:9 [INFO] [stderr] | [INFO] [stderr] 94 | / loop { [INFO] [stderr] 95 | | pause(); [INFO] [stderr] 96 | | } [INFO] [stderr] | |_________- any code following this expression is unreachable [INFO] [stderr] 97 | return; [INFO] [stderr] | ^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `caoe` (lib) generated 2 warnings [INFO] [stderr] warning: `caoe` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/caoe-aa67f8654d045e5c) [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] [stderr] Running tests/main.rs (/opt/rustwide/target/debug/deps/main-d4d500225a612573) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Doc-tests caoe [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" "efb4e1c8bee73e1dbab7b83330aa52d1417f275b373ec2b2d1dbe2484483956e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "efb4e1c8bee73e1dbab7b83330aa52d1417f275b373ec2b2d1dbe2484483956e", kill_on_drop: false }` [INFO] [stdout] efb4e1c8bee73e1dbab7b83330aa52d1417f275b373ec2b2d1dbe2484483956e