[INFO] fetching crate RustyEmitter 2.2.0...
[INFO] checking RustyEmitter-2.2.0 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate RustyEmitter 2.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate RustyEmitter 2.2.0 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate RustyEmitter 2.2.0
[INFO] finished tweaking crates.io crate RustyEmitter 2.2.0
[INFO] tweaked toml for crates.io crate RustyEmitter 2.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] warning: unused manifest key: rust
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", 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] c92a80ce72b74fb06a10e7b768fb155a750ffd24ee795af9f3f1182a70952a9a
[INFO] running `Command { std: "docker" "start" "-a" "c92a80ce72b74fb06a10e7b768fb155a750ffd24ee795af9f3f1182a70952a9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c92a80ce72b74fb06a10e7b768fb155a750ffd24ee795af9f3f1182a70952a9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c92a80ce72b74fb06a10e7b768fb155a750ffd24ee795af9f3f1182a70952a9a", kill_on_drop: false }`
[INFO] [stdout] c92a80ce72b74fb06a10e7b768fb155a750ffd24ee795af9f3f1182a70952a9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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] c26eb7eed90cf3d7426aa512528f87610ec83f53fa83f44b9672f65e46ab8893
[INFO] running `Command { std: "docker" "start" "-a" "c26eb7eed90cf3d7426aa512528f87610ec83f53fa83f44b9672f65e46ab8893", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] warning: unused manifest key: rust
[INFO] [stderr]     Checking RustyEmitter v2.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/lib.rs:5:40
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub type EventCallback<'callback, T> = FnMut(& mut EventData<T>) -> () + 'callback;
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(& mut EventData<T>) -> () + 'callback`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/lib.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |       _ => {;}
[INFO] [stdout]    |             ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/lib.rs:5:40
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub type EventCallback<'callback, T> = FnMut(& mut EventData<T>) -> () + 'callback;
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(& mut EventData<T>) -> () + 'callback`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/lib.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |       _ => {;}
[INFO] [stdout]    |             ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `RustyEmitter` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `rusty_emitter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `EventData` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:10:42
[INFO] [stdout]    |
[INFO] [stdout] 10 |   fn emit(&mut self, event_name: String, EventData: & mut EventData<T>);
[INFO] [stdout]    |                                          ^^^^^^^^^ help: convert the identifier to snake case: `event_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `RustyEmitter` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `rusty_emitter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `EventData` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:10:42
[INFO] [stdout]    |
[INFO] [stdout] 10 |   fn emit(&mut self, event_name: String, EventData: & mut EventData<T>);
[INFO] [stdout]    |                                          ^^^^^^^^^ help: convert the identifier to snake case: `event_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> tests/../src/lib.rs:5:40
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub type EventCallback<'callback, T> = FnMut(& mut EventData<T>) -> () + 'callback;
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(& mut EventData<T>) -> () + 'callback`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> tests/../src/lib.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |       _ => {;}
[INFO] [stdout]    |             ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> tests/emitter.rs:99:6
[INFO] [stdout]    |
[INFO] [stdout] 99 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `EventData` should have a snake case name
[INFO] [stdout]   --> tests/../src/lib.rs:10:42
[INFO] [stdout]    |
[INFO] [stdout] 10 |   fn emit(&mut self, event_name: String, EventData: & mut EventData<T>);
[INFO] [stdout]    |                                          ^^^^^^^^^ help: convert the identifier to snake case: `event_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "c26eb7eed90cf3d7426aa512528f87610ec83f53fa83f44b9672f65e46ab8893", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c26eb7eed90cf3d7426aa512528f87610ec83f53fa83f44b9672f65e46ab8893", kill_on_drop: false }`
[INFO] [stdout] c26eb7eed90cf3d7426aa512528f87610ec83f53fa83f44b9672f65e46ab8893