[INFO] fetching crate tail-reader 3.0.0... [INFO] building tail-reader-3.0.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2 [INFO] extracting crate tail-reader 3.0.0 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate tail-reader 3.0.0 [INFO] finished tweaking crates.io crate tail-reader 3.0.0 [INFO] tweaked toml for crates.io crate tail-reader 3.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate tail-reader 3.0.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 118 packages to latest compatible versions [INFO] [stderr] Adding crossbeam-channel v0.2.6 (available: v0.5.15) [INFO] [stderr] Adding notify v4.0.18 (available: v8.2.0) [INFO] [stderr] Adding pretty_env_logger v0.2.5 (available: v0.5.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded crossbeam-channel v0.2.6 [INFO] [stderr] Downloaded memoffset v0.2.1 [INFO] [stderr] Downloaded pretty_env_logger v0.2.5 [INFO] [stderr] Downloaded owning_ref v0.3.3 [INFO] [stderr] Downloaded crossbeam-utils v0.5.0 [INFO] [stderr] Downloaded filetime v0.2.26 [INFO] [stderr] Downloaded parking_lot_core v0.2.14 [INFO] [stderr] Downloaded parking_lot v0.4.8 [INFO] [stderr] Downloaded notify v4.0.18 [INFO] [stderr] Downloaded chashmap v2.2.2 [INFO] [stderr] Downloaded crossbeam-epoch v0.6.1 [INFO] [stderr] Downloaded inotify v0.7.1 [INFO] [stderr] Downloaded windows-targets v0.53.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a524c6fd4bdb96d98a1ecd5e083f6d60c08f3f63f9204d62ed1fded33a1fda02 [INFO] running `Command { std: "docker" "start" "-a" "a524c6fd4bdb96d98a1ecd5e083f6d60c08f3f63f9204d62ed1fded33a1fda02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a524c6fd4bdb96d98a1ecd5e083f6d60c08f3f63f9204d62ed1fded33a1fda02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a524c6fd4bdb96d98a1ecd5e083f6d60c08f3f63f9204d62ed1fded33a1fda02", kill_on_drop: false }` [INFO] [stdout] a524c6fd4bdb96d98a1ecd5e083f6d60c08f3f63f9204d62ed1fded33a1fda02 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c7cbbb9c54af32066df0dd911cbb8c941fbc7fbebc5c4e215df07766148e3c79 [INFO] running `Command { std: "docker" "start" "-a" "c7cbbb9c54af32066df0dd911cbb8c941fbc7fbebc5c4e215df07766148e3c79", kill_on_drop: false }` [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling memchr v2.7.6 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling regex-syntax v0.8.6 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling owning_ref v0.4.1 [INFO] [stderr] Compiling nodrop v0.1.14 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling owning_ref v0.3.3 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling net2 v0.2.39 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling termcolor v1.4.1 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling smallvec v0.6.14 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling lock_api v0.1.5 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling filetime v0.2.26 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling parking_lot_core v0.2.14 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling crossbeam-utils v0.5.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling crossbeam-epoch v0.6.1 [INFO] [stderr] Compiling parking_lot v0.4.8 [INFO] [stderr] Compiling chashmap v2.2.2 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling notify v4.0.18 [INFO] [stderr] Compiling parking_lot v0.6.4 [INFO] [stderr] Compiling chrono v0.4.42 [INFO] [stderr] Compiling crossbeam-channel v0.2.6 [INFO] [stderr] Compiling regex-automata v0.4.11 [INFO] [stderr] Compiling regex v1.11.3 [INFO] [stderr] Compiling env_logger v0.5.13 [INFO] [stderr] Compiling pretty_env_logger v0.2.5 [INFO] [stderr] Compiling tail-reader v3.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/tail_reader.rs:42:41 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn tail(self) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 42 | pub fn tail(self) -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.06s [INFO] running `Command { std: "docker" "inspect" "c7cbbb9c54af32066df0dd911cbb8c941fbc7fbebc5c4e215df07766148e3c79", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c7cbbb9c54af32066df0dd911cbb8c941fbc7fbebc5c4e215df07766148e3c79", kill_on_drop: false }` [INFO] [stdout] c7cbbb9c54af32066df0dd911cbb8c941fbc7fbebc5c4e215df07766148e3c79 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 470e4ac4d11de4b4dfa40c193662172007ae0ee65c8e08584c8c2db1ca2ce157 [INFO] running `Command { std: "docker" "start" "-a" "470e4ac4d11de4b4dfa40c193662172007ae0ee65c8e08584c8c2db1ca2ce157", kill_on_drop: false }` [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/tail_reader.rs:42:41 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn tail(self) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 42 | pub fn tail(self) -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling tail-reader v3.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/tail_reader.rs:42:41 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn tail(self) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 42 | pub fn tail(self) -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.27s [INFO] running `Command { std: "docker" "inspect" "470e4ac4d11de4b4dfa40c193662172007ae0ee65c8e08584c8c2db1ca2ce157", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "470e4ac4d11de4b4dfa40c193662172007ae0ee65c8e08584c8c2db1ca2ce157", kill_on_drop: false }` [INFO] [stdout] 470e4ac4d11de4b4dfa40c193662172007ae0ee65c8e08584c8c2db1ca2ce157