[INFO] fetching crate enso-logger 0.3.1...
[INFO] checking enso-logger-0.3.1 against try#3f7b27fe41ccd116a4c0829bd9a14b65bada4578 for pr-96970
[INFO] extracting crate enso-logger 0.3.1 into /workspace/builds/worker-68/source
[INFO] validating manifest of crates.io crate enso-logger 0.3.1 on toolchain 3f7b27fe41ccd116a4c0829bd9a14b65bada4578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3f7b27fe41ccd116a4c0829bd9a14b65bada4578" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate enso-logger 0.3.1
[INFO] finished tweaking crates.io crate enso-logger 0.3.1
[INFO] tweaked toml for crates.io crate enso-logger 0.3.1 written to /workspace/builds/worker-68/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3f7b27fe41ccd116a4c0829bd9a14b65bada4578" "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" "+3f7b27fe41ccd116a4c0829bd9a14b65bada4578" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+3f7b27fe41ccd116a4c0829bd9a14b65bada4578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc4f619fc6791fc2ebadba2bea511d88d1b6107605cb554254c2c0c410999662
[INFO] running `Command { std: "docker" "start" "-a" "fc4f619fc6791fc2ebadba2bea511d88d1b6107605cb554254c2c0c410999662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc4f619fc6791fc2ebadba2bea511d88d1b6107605cb554254c2c0c410999662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc4f619fc6791fc2ebadba2bea511d88d1b6107605cb554254c2c0c410999662", kill_on_drop: false }`
[INFO] [stdout] fc4f619fc6791fc2ebadba2bea511d88d1b6107605cb554254c2c0c410999662
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+3f7b27fe41ccd116a4c0829bd9a14b65bada4578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34cd65e288b749f4ab2dfff18784e317c33567bc4f0e7ee713dd18fa556a4004
[INFO] running `Command { std: "docker" "start" "-a" "34cd65e288b749f4ab2dfff18784e317c33567bc4f0e7ee713dd18fa556a4004", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.93
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.58
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling bumpalo v3.9.1
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling wasm-bindgen v0.2.58
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling sourcefile v0.1.4
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking rustc-demangle v0.1.21
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[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling convert_case v0.4.0
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[INFO] [stderr]    Compiling num-traits v0.2.15
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[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking atty v0.2.14
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[INFO] [stderr]     Checking num-complex v0.3.1
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[INFO] [stderr]     Checking simba v0.4.0
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]    Compiling Inflector v0.11.4
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[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.58
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[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.58
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.58
[INFO] [stderr]    Compiling enso-macro-utils v0.2.0
[INFO] [stderr]    Compiling shrinkwraprs v0.3.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling ifmt-impl v0.3.3
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.58
[INFO] [stderr]    Compiling enso-shapely-macros v0.2.1
[INFO] [stderr]     Checking failure v0.1.8
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[INFO] [stderr]     Checking js-sys v0.3.35
[INFO] [stderr]     Checking ifmt v0.3.3
[INFO] [stderr]     Checking nalgebra v0.26.2
[INFO] [stderr]     Checking enso-shapely v0.2.0
[INFO] [stderr]     Checking enso-prelude v0.2.6
[INFO] [stderr]     Checking enso-logger v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1st rule of macro `define_sub_seqs` is never used
[INFO] [stdout]    --> src/processor.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     () => {};
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macro_rules)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1st rule of macro `define_sub_branches` is never used
[INFO] [stdout]    --> src/processor.rs:171:5
[INFO] [stdout]     |
[INFO] [stdout] 171 |     () => {};
[INFO] [stdout]     |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1st rule of macro `define_sub_seqs` is never used
[INFO] [stdout]    --> src/processor.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     () => {};
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macro_rules)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1st rule of macro `define_sub_branches` is never used
[INFO] [stdout]    --> src/processor.rs:171:5
[INFO] [stdout]     |
[INFO] [stdout] 171 |     () => {};
[INFO] [stdout]     |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `formatter`
[INFO] [stdout]    --> src/processor.rs:225:5
[INFO] [stdout]     |
[INFO] [stdout] 225 |     formatter : T,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Formatter` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/processor.rs:223:10
[INFO] [stdout]     |
[INFO] [stdout] 223 | #[derive(Debug,Default)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `closure`
[INFO] [stdout]    --> src/processor.rs:264:5
[INFO] [stdout]     |
[INFO] [stdout] 264 |     closure : Closure<dyn Fn()>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `Buffer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/processor.rs:260:10
[INFO] [stdout]     |
[INFO] [stdout] 260 | #[derive(Debug,Derivative)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `formatter`
[INFO] [stdout]    --> src/processor.rs:225:5
[INFO] [stdout]     |
[INFO] [stdout] 225 |     formatter : T,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Formatter` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/processor.rs:223:10
[INFO] [stdout]     |
[INFO] [stdout] 223 | #[derive(Debug,Default)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `closure`
[INFO] [stdout]    --> src/processor.rs:264:5
[INFO] [stdout]     |
[INFO] [stdout] 264 |     closure : Closure<dyn Fn()>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `Buffer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/processor.rs:260:10
[INFO] [stdout]     |
[INFO] [stdout] 260 | #[derive(Debug,Derivative)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.50s
[INFO] running `Command { std: "docker" "inspect" "34cd65e288b749f4ab2dfff18784e317c33567bc4f0e7ee713dd18fa556a4004", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34cd65e288b749f4ab2dfff18784e317c33567bc4f0e7ee713dd18fa556a4004", kill_on_drop: false }`
[INFO] [stdout] 34cd65e288b749f4ab2dfff18784e317c33567bc4f0e7ee713dd18fa556a4004