[INFO] fetching crate lumberjack-utils 0.3.1...
[INFO] checking lumberjack-utils-0.3.1 against 1.55.0 for beta-1.56-3
[INFO] extracting crate lumberjack-utils 0.3.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate lumberjack-utils 0.3.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lumberjack-utils 0.3.1
[INFO] finished tweaking crates.io crate lumberjack-utils 0.3.1
[INFO] tweaked toml for crates.io crate lumberjack-utils 0.3.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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 stdinout v0.4.1
[INFO] [stderr]   Downloaded lumberjack v0.3.1
[INFO] [stderr]   Downloaded lazy-init v0.3.0
[INFO] [stderr]   Downloaded conllx v0.11.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7bfef35e22cf3a1bf29d01a8b1471ede5d942860002192ceb7cf9f736c14f2af
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7bfef35e22cf3a1bf29d01a8b1471ede5d942860002192ceb7cf9f736c14f2af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bfef35e22cf3a1bf29d01a8b1471ede5d942860002192ceb7cf9f736c14f2af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bfef35e22cf3a1bf29d01a8b1471ede5d942860002192ceb7cf9f736c14f2af", kill_on_drop: false }`
[INFO] [stdout] 7bfef35e22cf3a1bf29d01a8b1471ede5d942860002192ceb7cf9f736c14f2af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 04315bd8b8d05094603249ccfa8c4c790f5b41f2f565408fda82bf6a8f6a6c0a
[INFO] running `Command { std: "docker" "start" "-a" "04315bd8b8d05094603249ccfa8c4c790f5b41f2f565408fda82bf6a8f6a6c0a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking lazy-init v0.3.0
[INFO] [stderr]     Checking stdinout v0.4.1
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking conllx v0.11.2
[INFO] [stderr]     Checking lumberjack v0.3.1
[INFO] [stderr]     Checking lumberjack-utils v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/lumberjack-conversion.rs:178:10
[INFO] [stdout]     |
[INFO] [stdout] 178 | ) -> Box<Iterator<Item = Result<Tree, Error>> + 'a>
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<Tree, Error>> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/lumberjack-conversion.rs:209:63
[INFO] [stdout]     |
[INFO] [stdout] 209 | fn get_writer<'a, W>(out_format: OutFormat, writer: W) -> Box<WriteTree + 'a>
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn WriteTree + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/lumberjack-conversion.rs:178:10
[INFO] [stdout]     |
[INFO] [stdout] 178 | ) -> Box<Iterator<Item = Result<Tree, Error>> + 'a>
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<Tree, Error>> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/lumberjack-conversion.rs:209:63
[INFO] [stdout]     |
[INFO] [stdout] 209 | fn get_writer<'a, W>(out_format: OutFormat, writer: W) -> Box<WriteTree + 'a>
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn WriteTree + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.83s
[INFO] running `Command { std: "docker" "inspect" "04315bd8b8d05094603249ccfa8c4c790f5b41f2f565408fda82bf6a8f6a6c0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04315bd8b8d05094603249ccfa8c4c790f5b41f2f565408fda82bf6a8f6a6c0a", kill_on_drop: false }`
[INFO] [stdout] 04315bd8b8d05094603249ccfa8c4c790f5b41f2f565408fda82bf6a8f6a6c0a
