[INFO] fetching crate warnalyzer 0.1.0...
[INFO] checking warnalyzer-0.1.0 against try#99a443d6903f71d521237d8acb5a3016b534d17b for pr-83354
[INFO] extracting crate warnalyzer 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate warnalyzer 0.1.0 on toolchain 99a443d6903f71d521237d8acb5a3016b534d17b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate warnalyzer 0.1.0
[INFO] finished tweaking crates.io crate warnalyzer 0.1.0
[INFO] tweaked toml for crates.io crate warnalyzer 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chashmap v2.2.2
[INFO] [stderr]   Downloaded intervaltree v0.2.6
[INFO] [stderr]   Downloaded pretty_env_logger v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e2578bda1c001da811cdfdf62747eb443ac79e874a1805a2adf06ee18730105
[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" "8e2578bda1c001da811cdfdf62747eb443ac79e874a1805a2adf06ee18730105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e2578bda1c001da811cdfdf62747eb443ac79e874a1805a2adf06ee18730105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e2578bda1c001da811cdfdf62747eb443ac79e874a1805a2adf06ee18730105", kill_on_drop: false }`
[INFO] [stdout] 8e2578bda1c001da811cdfdf62747eb443ac79e874a1805a2adf06ee18730105
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b3e58a3461a9f2cc178e60dfb0a78850df2e8c13ba94484d7816d0cfa974955
[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" "1b3e58a3461a9f2cc178e60dfb0a78850df2e8c13ba94484d7816d0cfa974955", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking intervaltree v0.2.6
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking chashmap v2.2.2
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking warnalyzer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `syn::visit`, `syn::visit`
[INFO] [stdout]   --> src/mute.rs:88:11
[INFO] [stdout]    |
[INFO] [stdout] 88 |     use syn::visit::{visit_item, self};
[INFO] [stdout]    |              ^^^^^               ^^^^ no `visit` in the root
[INFO] [stdout]    |              |
[INFO] [stdout]    |              could not find `visit` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `visit` in `syn`
[INFO] [stdout]    --> src/mute.rs:105:22
[INFO] [stdout]     |
[INFO] [stdout] 105 |     impl<'ast, 'a> syn::visit::Visit<'ast> for Visitor<'a> {
[INFO] [stdout]     |                         ^^^^^ could not find `visit` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/mute.rs:97:3
[INFO] [stdout]    |
[INFO] [stdout] 97 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `warnalyzer`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0432]: unresolved imports `syn::visit`, `syn::visit`
[INFO] [stdout]   --> src/mute.rs:88:11
[INFO] [stdout]    |
[INFO] [stdout] 88 |     use syn::visit::{visit_item, self};
[INFO] [stdout]    |              ^^^^^               ^^^^ no `visit` in the root
[INFO] [stdout]    |              |
[INFO] [stdout]    |              could not find `visit` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `visit` in `syn`
[INFO] [stdout]    --> src/mute.rs:105:22
[INFO] [stdout]     |
[INFO] [stdout] 105 |     impl<'ast, 'a> syn::visit::Visit<'ast> for Visitor<'a> {
[INFO] [stdout]     |                         ^^^^^ could not find `visit` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/mute.rs:97:3
[INFO] [stdout]    |
[INFO] [stdout] 97 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1b3e58a3461a9f2cc178e60dfb0a78850df2e8c13ba94484d7816d0cfa974955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b3e58a3461a9f2cc178e60dfb0a78850df2e8c13ba94484d7816d0cfa974955", kill_on_drop: false }`
[INFO] [stdout] 1b3e58a3461a9f2cc178e60dfb0a78850df2e8c13ba94484d7816d0cfa974955