[INFO] fetching crate mutagen-plugin 0.1.2... [INFO] testing mutagen-plugin-0.1.2 against 1.59.0 for beta-1.60-1 [INFO] extracting crate mutagen-plugin 0.1.2 into /workspace/builds/worker-46/source [INFO] validating manifest of crates.io crate mutagen-plugin 0.1.2 on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mutagen-plugin 0.1.2 [INFO] finished tweaking crates.io crate mutagen-plugin 0.1.2 [INFO] tweaked toml for crates.io crate mutagen-plugin 0.1.2 written to /workspace/builds/worker-46/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 74c67423ea701e49dbdf51f65b5af6f90563904e192867efc97aa0eb35f7bdcd [INFO] running `Command { std: "docker" "start" "-a" "74c67423ea701e49dbdf51f65b5af6f90563904e192867efc97aa0eb35f7bdcd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "74c67423ea701e49dbdf51f65b5af6f90563904e192867efc97aa0eb35f7bdcd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74c67423ea701e49dbdf51f65b5af6f90563904e192867efc97aa0eb35f7bdcd", kill_on_drop: false }` [INFO] [stdout] 74c67423ea701e49dbdf51f65b5af6f90563904e192867efc97aa0eb35f7bdcd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 55679da1ea9ca313ea7f454b7ec6072ada2c4a084d3e474ee4c3ed09502c3205 [INFO] running `Command { std: "docker" "start" "-a" "55679da1ea9ca313ea7f454b7ec6072ada2c4a084d3e474ee4c3ed09502c3205", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling mutagen v0.1.2 [INFO] [stderr] Compiling mutagen-plugin v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> build.rs:15:30 [INFO] [stdout] | [INFO] [stdout] 15 | fn write_binop_arm(out: &mut Write, [INFO] [stdout] | ^^^^^ [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] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 15 - fn write_binop_arm(out: &mut Write, [INFO] [stdout] 15 + fn write_binop_arm(out: &mut dyn Write, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> build.rs:59:33 [INFO] [stdout] | [INFO] [stdout] 59 | fn write_opassign_arm(out: &mut Write, [INFO] [stdout] | ^^^^^ [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] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 59 - fn write_opassign_arm(out: &mut Write, [INFO] [stdout] 59 + fn write_opassign_arm(out: &mut dyn Write, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mutagen-0.1.2/src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(specialization, atomic_min_max, try_from, assoc_unix_epoch)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `mutagen` due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "55679da1ea9ca313ea7f454b7ec6072ada2c4a084d3e474ee4c3ed09502c3205", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "55679da1ea9ca313ea7f454b7ec6072ada2c4a084d3e474ee4c3ed09502c3205", kill_on_drop: false }` [INFO] [stdout] 55679da1ea9ca313ea7f454b7ec6072ada2c4a084d3e474ee4c3ed09502c3205