[INFO] cloning repository https://github.com/ahouts/mbuffer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ahouts/mbuffer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahouts%2Fmbuffer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahouts%2Fmbuffer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e198c4cd8762a038dde0af1710f32f20a0986edf [INFO] testing ahouts/mbuffer against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahouts%2Fmbuffer" "/workspace/builds/worker-78/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-78/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ahouts/mbuffer on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ahouts/mbuffer [INFO] finished tweaking git repo https://github.com/ahouts/mbuffer [INFO] tweaked toml for git repo https://github.com/ahouts/mbuffer written to /workspace/builds/worker-78/source/Cargo.toml [INFO] crate git repo https://github.com/ahouts/mbuffer already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] eb7486d66f7469ef8d8c7e4b691e060b4c82dc7f2da8f1e376cc24a00c3b1687 [INFO] running `Command { std: "docker" "start" "-a" "eb7486d66f7469ef8d8c7e4b691e060b4c82dc7f2da8f1e376cc24a00c3b1687", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eb7486d66f7469ef8d8c7e4b691e060b4c82dc7f2da8f1e376cc24a00c3b1687", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb7486d66f7469ef8d8c7e4b691e060b4c82dc7f2da8f1e376cc24a00c3b1687", kill_on_drop: false }` [INFO] [stdout] eb7486d66f7469ef8d8c7e4b691e060b4c82dc7f2da8f1e376cc24a00c3b1687 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8095e18af3576c3d12fe78b606a0f32cbc692a3ca30e063d99fca099a67e56d1 [INFO] running `Command { std: "docker" "start" "-a" "8095e18af3576c3d12fe78b606a0f32cbc692a3ca30e063d99fca099a67e56d1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.42 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Compiling bitflags v1.0.3 [INFO] [stderr] Compiling textwrap v0.10.0 [INFO] [stderr] Compiling atty v0.2.10 [INFO] [stderr] Compiling clap v2.32.0 [INFO] [stderr] Compiling mbuffer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/buff/mod.rs:17:70 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn new(segment_length: usize, buffer_size: usize, mut r: Box, mut w: Box) -> Self { [INFO] [stdout] | ^^^^^^^^^^^ help: use `dyn`: `dyn Read + Send` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/buff/mod.rs:17:95 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn new(segment_length: usize, buffer_size: usize, mut r: Box, mut w: Box) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Write + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 18.16s [INFO] running `Command { std: "docker" "inspect" "8095e18af3576c3d12fe78b606a0f32cbc692a3ca30e063d99fca099a67e56d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8095e18af3576c3d12fe78b606a0f32cbc692a3ca30e063d99fca099a67e56d1", kill_on_drop: false }` [INFO] [stdout] 8095e18af3576c3d12fe78b606a0f32cbc692a3ca30e063d99fca099a67e56d1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7939e5c1d1c7ed2579bf645f90a28b2b055eef17eb0c1d5ef9359b6feb29e398 [INFO] running `Command { std: "docker" "start" "-a" "7939e5c1d1c7ed2579bf645f90a28b2b055eef17eb0c1d5ef9359b6feb29e398", kill_on_drop: false }` [INFO] [stderr] Compiling mbuffer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/buff/mod.rs:17:70 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn new(segment_length: usize, buffer_size: usize, mut r: Box, mut w: Box) -> Self { [INFO] [stdout] | ^^^^^^^^^^^ help: use `dyn`: `dyn Read + Send` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/buff/mod.rs:17:95 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn new(segment_length: usize, buffer_size: usize, mut r: Box, mut w: Box) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Write + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.65s [INFO] running `Command { std: "docker" "inspect" "7939e5c1d1c7ed2579bf645f90a28b2b055eef17eb0c1d5ef9359b6feb29e398", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7939e5c1d1c7ed2579bf645f90a28b2b055eef17eb0c1d5ef9359b6feb29e398", kill_on_drop: false }` [INFO] [stdout] 7939e5c1d1c7ed2579bf645f90a28b2b055eef17eb0c1d5ef9359b6feb29e398 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 569699a16a9e8f52b28c2b0ae1026e61e38d415b83977e37567bb19e6ae8ca25 [INFO] running `Command { std: "docker" "start" "-a" "569699a16a9e8f52b28c2b0ae1026e61e38d415b83977e37567bb19e6ae8ca25", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/buff/mod.rs:17:70 [INFO] [stderr] | [INFO] [stderr] 17 | pub fn new(segment_length: usize, buffer_size: usize, mut r: Box, mut w: Box) -> Self { [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn Read + Send` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/buff/mod.rs:17:95 [INFO] [stderr] | [INFO] [stderr] 17 | pub fn new(segment_length: usize, buffer_size: usize, mut r: Box, mut w: Box) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Write + Send` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: `mbuffer` (bin "mbuffer" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/mbuffer-75b73059bdfcf933) [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" "569699a16a9e8f52b28c2b0ae1026e61e38d415b83977e37567bb19e6ae8ca25", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "569699a16a9e8f52b28c2b0ae1026e61e38d415b83977e37567bb19e6ae8ca25", kill_on_drop: false }` [INFO] [stdout] 569699a16a9e8f52b28c2b0ae1026e61e38d415b83977e37567bb19e6ae8ca25