[INFO] cloning repository https://github.com/Fronox/ds-seminar-rst [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Fronox/ds-seminar-rst" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFronox%2Fds-seminar-rst", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFronox%2Fds-seminar-rst'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6f5523649e0f93139550fdd92b189172568ec40a [INFO] testing Fronox/ds-seminar-rst against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFronox%2Fds-seminar-rst" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Fronox/ds-seminar-rst on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Fronox/ds-seminar-rst [INFO] finished tweaking git repo https://github.com/Fronox/ds-seminar-rst [INFO] tweaked toml for git repo https://github.com/Fronox/ds-seminar-rst written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/Fronox/ds-seminar-rst already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio v0.2.16 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 79778b866628752064638a4e3a2bad84247de026330455401d152bc4e2589658 [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" "79778b866628752064638a4e3a2bad84247de026330455401d152bc4e2589658", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "79778b866628752064638a4e3a2bad84247de026330455401d152bc4e2589658", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "79778b866628752064638a4e3a2bad84247de026330455401d152bc4e2589658", kill_on_drop: false }` [INFO] [stdout] 79778b866628752064638a4e3a2bad84247de026330455401d152bc4e2589658 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 19c5d24ac94f1d8f304b08cccdd871604d9c6d8bc4e402261aea42538a991181 [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" "19c5d24ac94f1d8f304b08cccdd871604d9c6d8bc4e402261aea42538a991181", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling futures-core v0.3.4 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling futures-sink v0.3.4 [INFO] [stderr] Compiling proc-macro-hack v0.5.15 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling futures-task v0.3.4 [INFO] [stderr] Compiling futures-io v0.3.4 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling arc-swap v0.4.5 [INFO] [stderr] Compiling futures v0.1.29 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling futures-channel v0.3.4 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling num_cpus v1.12.0 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling signal-hook-registry v1.2.0 [INFO] [stderr] Compiling crossbeam-queue v0.2.1 [INFO] [stderr] Compiling threadpool v1.7.1 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling mio v0.6.21 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling tokio-executor v0.1.10 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling rayon v1.3.0 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling tokio v0.2.16 [INFO] [stderr] Compiling futures-util v0.3.4 [INFO] [stderr] Compiling futures-executor v0.3.4 [INFO] [stderr] Compiling futures v0.3.4 [INFO] [stderr] Compiling rstpr v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `duration` [INFO] [stdout] --> src/main.rs:89:13 [INFO] [stdout] | [INFO] [stdout] 89 | let duration: Duration = start.elapsed(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `duration` [INFO] [stdout] --> src/main.rs:106:13 [INFO] [stdout] | [INFO] [stdout] 106 | let duration: Duration = start.elapsed(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:119:5 [INFO] [stdout] | [INFO] [stdout] 119 | test(10, len, thread_number); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 09s [INFO] running `Command { std: "docker" "inspect" "19c5d24ac94f1d8f304b08cccdd871604d9c6d8bc4e402261aea42538a991181", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "19c5d24ac94f1d8f304b08cccdd871604d9c6d8bc4e402261aea42538a991181", kill_on_drop: false }` [INFO] [stdout] 19c5d24ac94f1d8f304b08cccdd871604d9c6d8bc4e402261aea42538a991181 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aeb97e418832686c7737ae77661f729b9d491151a1ba899ca4f1e6f8c3e2f212 [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" "aeb97e418832686c7737ae77661f729b9d491151a1ba899ca4f1e6f8c3e2f212", kill_on_drop: false }` [INFO] [stderr] Compiling rstpr v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `duration` [INFO] [stdout] --> src/main.rs:89:13 [INFO] [stdout] | [INFO] [stdout] 89 | let duration: Duration = start.elapsed(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `duration` [INFO] [stdout] --> src/main.rs:106:13 [INFO] [stdout] | [INFO] [stdout] 106 | let duration: Duration = start.elapsed(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:119:5 [INFO] [stdout] | [INFO] [stdout] 119 | test(10, len, thread_number); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.98s [INFO] running `Command { std: "docker" "inspect" "aeb97e418832686c7737ae77661f729b9d491151a1ba899ca4f1e6f8c3e2f212", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aeb97e418832686c7737ae77661f729b9d491151a1ba899ca4f1e6f8c3e2f212", kill_on_drop: false }` [INFO] [stdout] aeb97e418832686c7737ae77661f729b9d491151a1ba899ca4f1e6f8c3e2f212 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a3bfc344ed707a5ccfcb79cd82a9c621a4a820c71993913ae9f1c34d46b18f09 [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" "a3bfc344ed707a5ccfcb79cd82a9c621a4a820c71993913ae9f1c34d46b18f09", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused variable: `duration` [INFO] [stderr] --> src/main.rs:89:13 [INFO] [stderr] | [INFO] [stderr] 89 | let duration: Duration = start.elapsed(); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `duration` [INFO] [stderr] --> src/main.rs:106:13 [INFO] [stderr] | [INFO] [stderr] 106 | let duration: Duration = start.elapsed(); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration` [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:119:5 [INFO] [stderr] | [INFO] [stderr] 119 | test(10, len, thread_number); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 23.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rstpr-0d104bdcc1da2cce) [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" "a3bfc344ed707a5ccfcb79cd82a9c621a4a820c71993913ae9f1c34d46b18f09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3bfc344ed707a5ccfcb79cd82a9c621a4a820c71993913ae9f1c34d46b18f09", kill_on_drop: false }` [INFO] [stdout] a3bfc344ed707a5ccfcb79cd82a9c621a4a820c71993913ae9f1c34d46b18f09