[INFO] fetching crate tail-reader 3.0.0... [INFO] building tail-reader-3.0.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1 [INFO] extracting crate tail-reader 3.0.0 into /workspace/builds/worker-4-tc2/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-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate tail-reader 3.0.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8115fa2db373f07df9f1da5655911d97874cf0038a0fd2a13be5ea803b4499a0 [INFO] running `Command { std: "docker" "start" "-a" "8115fa2db373f07df9f1da5655911d97874cf0038a0fd2a13be5ea803b4499a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8115fa2db373f07df9f1da5655911d97874cf0038a0fd2a13be5ea803b4499a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8115fa2db373f07df9f1da5655911d97874cf0038a0fd2a13be5ea803b4499a0", kill_on_drop: false }` [INFO] [stdout] 8115fa2db373f07df9f1da5655911d97874cf0038a0fd2a13be5ea803b4499a0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 573f9df43ea619797e245ed183099e001f0b9c1abf0af69a55dfd509dfa5792b [INFO] running `Command { std: "docker" "start" "-a" "573f9df43ea619797e245ed183099e001f0b9c1abf0af69a55dfd509dfa5792b", kill_on_drop: false }` [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling log v0.4.28 [INFO] [stderr] Compiling memchr v2.7.6 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling regex-syntax v0.8.6 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling nodrop v0.1.14 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling cfg-if v1.0.3 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling owning_ref v0.4.1 [INFO] [stderr] Compiling net2 v0.2.39 [INFO] [stderr] Compiling owning_ref v0.3.3 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling iana-time-zone v0.1.64 [INFO] [stderr] Compiling lock_api v0.1.5 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling termcolor v1.4.1 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling smallvec v0.6.14 [INFO] [stderr] Compiling filetime v0.2.26 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling chrono v0.4.42 [INFO] [stderr] Compiling walkdir v2.5.0 [INFO] [stderr] Compiling crossbeam-utils v0.5.0 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling crossbeam-epoch v0.6.1 [INFO] [stderr] Compiling parking_lot_core v0.2.14 [INFO] [stderr] Compiling num_cpus v1.17.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling parking_lot v0.4.8 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling chashmap v2.2.2 [INFO] [stderr] Compiling notify v4.0.18 [INFO] [stderr] Compiling parking_lot v0.6.4 [INFO] [stderr] Compiling regex-automata v0.4.11 [INFO] [stderr] Compiling crossbeam-channel v0.2.6 [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 9.86s [INFO] running `Command { std: "docker" "inspect" "573f9df43ea619797e245ed183099e001f0b9c1abf0af69a55dfd509dfa5792b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "573f9df43ea619797e245ed183099e001f0b9c1abf0af69a55dfd509dfa5792b", kill_on_drop: false }` [INFO] [stdout] 573f9df43ea619797e245ed183099e001f0b9c1abf0af69a55dfd509dfa5792b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b9078e31715c08cb712312abfe92e7c7c72991a2d21d34ead20affc0ab72b033 [INFO] running `Command { std: "docker" "start" "-a" "b9078e31715c08cb712312abfe92e7c7c72991a2d21d34ead20affc0ab72b033", kill_on_drop: false }` [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] [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 0.90s [INFO] running `Command { std: "docker" "inspect" "b9078e31715c08cb712312abfe92e7c7c72991a2d21d34ead20affc0ab72b033", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9078e31715c08cb712312abfe92e7c7c72991a2d21d34ead20affc0ab72b033", kill_on_drop: false }` [INFO] [stdout] b9078e31715c08cb712312abfe92e7c7c72991a2d21d34ead20affc0ab72b033