[INFO] fetching crate lumberjack-utils 0.3.1...
[INFO] checking lumberjack-utils-0.3.1 against beta for pr-78714
[INFO] extracting crate lumberjack-utils 0.3.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate lumberjack-utils 0.3.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", 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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fb2eea21f1e2b17c8ad2d0579c57583078775fcafeecc5fdbf681209e9becd2
[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" "3fb2eea21f1e2b17c8ad2d0579c57583078775fcafeecc5fdbf681209e9becd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fb2eea21f1e2b17c8ad2d0579c57583078775fcafeecc5fdbf681209e9becd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fb2eea21f1e2b17c8ad2d0579c57583078775fcafeecc5fdbf681209e9becd2", kill_on_drop: false }`
[INFO] [stdout] 3fb2eea21f1e2b17c8ad2d0579c57583078775fcafeecc5fdbf681209e9becd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d3b6a44cc1edc394f65c5638f8d0e63395d2460a494837ef7f9ea98f07239f4
[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" "1d3b6a44cc1edc394f65c5638f8d0e63395d2460a494837ef7f9ea98f07239f4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking lazy-init v0.3.0
[INFO] [stderr]     Checking stdinout v0.4.1
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking conllx v0.11.2
[INFO] [stderr]    Compiling pest_derive v2.1.0
[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] 
[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] 
[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] 
[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] 
[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 7.60s
[INFO] running `Command { std: "docker" "inspect" "1d3b6a44cc1edc394f65c5638f8d0e63395d2460a494837ef7f9ea98f07239f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d3b6a44cc1edc394f65c5638f8d0e63395d2460a494837ef7f9ea98f07239f4", kill_on_drop: false }`
[INFO] [stdout] 1d3b6a44cc1edc394f65c5638f8d0e63395d2460a494837ef7f9ea98f07239f4