[INFO] fetching crate mutagen-plugin 0.1.2... [INFO] documenting mutagen-plugin-0.1.2 against 1.61.0 for beta-1.62-rustdoc-1 [INFO] extracting crate mutagen-plugin 0.1.2 into /workspace/builds/worker-27/source [INFO] validating manifest of crates.io crate mutagen-plugin 0.1.2 on toolchain 1.61.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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-27/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", 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] Downloading crates ... [INFO] [stderr] Downloaded dirs v2.0.2 [INFO] [stderr] Downloaded filetime v0.2.16 [INFO] [stderr] Downloaded compiletest_rs v0.3.26 [INFO] [stderr] Downloaded term v0.6.1 [INFO] [stderr] Downloaded cc v1.0.73 [INFO] [stderr] Downloaded failure_derive v0.1.8 [INFO] [stderr] Downloaded rustfix v0.4.6 [INFO] [stderr] Downloaded redox_syscall v0.2.13 [INFO] [stderr] Downloaded getrandom v0.2.6 [INFO] [stderr] Downloaded unicode-xid v0.2.3 [INFO] [stderr] Downloaded backtrace v0.3.65 [INFO] [stderr] Downloaded miow v0.3.7 [INFO] [stderr] Downloaded miniz_oxide v0.5.1 [INFO] [stderr] Downloaded diff v0.1.12 [INFO] [stderr] Downloaded getopts v0.2.21 [INFO] [stderr] Downloaded synstructure v0.12.6 [INFO] [stderr] Downloaded failure v0.1.8 [INFO] [stderr] Downloaded dirs-sys v0.3.7 [INFO] [stderr] Downloaded redox_users v0.4.3 [INFO] [stderr] Downloaded object v0.28.4 [INFO] [stderr] Downloaded tester v0.6.0 [INFO] [stderr] Downloaded mutagen v0.1.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] faa684ce2a17cdb5955087a8fe88866db39d155adfdfa22da5088b7ee26dde90 [INFO] running `Command { std: "docker" "start" "-a" "faa684ce2a17cdb5955087a8fe88866db39d155adfdfa22da5088b7ee26dde90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "faa684ce2a17cdb5955087a8fe88866db39d155adfdfa22da5088b7ee26dde90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "faa684ce2a17cdb5955087a8fe88866db39d155adfdfa22da5088b7ee26dde90", kill_on_drop: false }` [INFO] [stdout] faa684ce2a17cdb5955087a8fe88866db39d155adfdfa22da5088b7ee26dde90 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "RUSTDOCFLAGS=--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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7e7bdc4fed397785b5db115022f47edf1becdfcffba8a9421d98923c2ed99ab2 [INFO] running `Command { std: "docker" "start" "-a" "7e7bdc4fed397785b5db115022f47edf1becdfcffba8a9421d98923c2ed99ab2", kill_on_drop: false }` [INFO] [stderr] Compiling mutagen v0.1.2 [INFO] [stderr] Compiling mutagen-plugin v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Checking bitflags v1.3.2 [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[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:1:28 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(specialization, atomic_min_max, try_from, assoc_unix_epoch)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [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:1:44 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(specialization, atomic_min_max, try_from, assoc_unix_epoch)] [INFO] [stdout] | ^^^^^^^^ [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:1:54 [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 4 previous errors [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 5 previous errors [INFO] running `Command { std: "docker" "inspect" "7e7bdc4fed397785b5db115022f47edf1becdfcffba8a9421d98923c2ed99ab2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e7bdc4fed397785b5db115022f47edf1becdfcffba8a9421d98923c2ed99ab2", kill_on_drop: false }` [INFO] [stdout] 7e7bdc4fed397785b5db115022f47edf1becdfcffba8a9421d98923c2ed99ab2