[INFO] fetching crate yaccas 0.2.1...
[INFO] checking yaccas-0.2.1 against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363
[INFO] extracting crate yaccas 0.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate yaccas 0.2.1 on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yaccas 0.2.1
[INFO] finished tweaking crates.io crate yaccas 0.2.1
[INFO] tweaked toml for crates.io crate yaccas 0.2.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 087edfb33549457ef79ac80689dedd72d710d6903079ebe714a269721fec37db
[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" "087edfb33549457ef79ac80689dedd72d710d6903079ebe714a269721fec37db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "087edfb33549457ef79ac80689dedd72d710d6903079ebe714a269721fec37db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "087edfb33549457ef79ac80689dedd72d710d6903079ebe714a269721fec37db", kill_on_drop: false }`
[INFO] [stdout] 087edfb33549457ef79ac80689dedd72d710d6903079ebe714a269721fec37db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 866e8a1bc35958caf6b974009f178f4d5874395675fcb0c64f8f98c39e71d97c
[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" "866e8a1bc35958caf6b974009f178f4d5874395675fcb0c64f8f98c39e71d97c", kill_on_drop: false }`
[INFO] [stderr]     Checking yaccas v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/arguments/command.rs:41:18
[INFO] [stdout]    |
[INFO] [stdout] 41 |     command: Box<Fn() -> AbortReason>,
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> AbortReason`
[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/arguments/metadata.rs:4:30
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub callback: Option<Box<FnMut(&T) -> () + 'a>>,
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&T) -> () + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/arguments/command.rs:41:18
[INFO] [stdout]    |
[INFO] [stdout] 41 |     command: Box<Fn() -> AbortReason>,
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> AbortReason`
[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/arguments/metadata.rs:4:30
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub callback: Option<Box<FnMut(&T) -> () + 'a>>,
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&T) -> () + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]   --> src/scanner/scanner_unix.rs:37:40
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 let trimmed = argument.trim_left_matches('-');
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]   --> src/scanner/scanner_windows.rs:36:40
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 let trimmed = argument.trim_left_matches('/');
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]   --> src/scanner/scanner_unix.rs:37:40
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 let trimmed = argument.trim_left_matches('-');
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]   --> src/scanner/scanner_windows.rs:36:40
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 let trimmed = argument.trim_left_matches('/');
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "866e8a1bc35958caf6b974009f178f4d5874395675fcb0c64f8f98c39e71d97c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "866e8a1bc35958caf6b974009f178f4d5874395675fcb0c64f8f98c39e71d97c", kill_on_drop: false }`
[INFO] [stdout] 866e8a1bc35958caf6b974009f178f4d5874395675fcb0c64f8f98c39e71d97c