[INFO] fetching crate app-benchmark 0.3.0...
[INFO] checking app-benchmark-0.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate app-benchmark 0.3.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate app-benchmark 0.3.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate app-benchmark 0.3.0
[INFO] finished tweaking crates.io crate app-benchmark 0.3.0
[INFO] tweaked toml for crates.io crate app-benchmark 0.3.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate app-benchmark 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-ident v1.0.3
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[INFO] [stderr]   Downloaded csv v1.1.6
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[INFO] [stderr]   Downloaded cc v1.0.73
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[INFO] [stderr]   Downloaded color-spantrace v0.2.0
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[INFO] [stderr]   Downloaded tracing v0.1.36
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[INFO] [stderr]   Downloaded tracing-core v0.1.29
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[INFO] [stderr]   Downloaded syn v1.0.99
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[INFO] [stderr]   Downloaded rustc-demangle v0.1.21
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[INFO] [stderr]   Downloaded core-foundation-sys v0.8.3
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[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.83
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[INFO] [stderr]   Downloaded thiserror v1.0.35
[INFO] [stderr]   Downloaded num_cpus v1.13.1
[INFO] [stderr]   Downloaded lock_api v0.4.8
[INFO] [stderr]   Downloaded signal-hook-registry v1.4.0
[INFO] [stderr]   Downloaded tagger v4.3.3
[INFO] [stderr]   Downloaded thiserror-impl v1.0.35
[INFO] [stderr]   Downloaded memchr v2.3.4
[INFO] [stderr]   Downloaded log v0.4.17
[INFO] [stderr]   Downloaded pin-project-lite v0.2.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d0b5f860448f647fc4f5cd5797c9dbed42de1f2b98d53d0dcb353d026f75345
[INFO] running `Command { std: "docker" "start" "-a" "2d0b5f860448f647fc4f5cd5797c9dbed42de1f2b98d53d0dcb353d026f75345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d0b5f860448f647fc4f5cd5797c9dbed42de1f2b98d53d0dcb353d026f75345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d0b5f860448f647fc4f5cd5797c9dbed42de1f2b98d53d0dcb353d026f75345", kill_on_drop: false }`
[INFO] [stdout] 2d0b5f860448f647fc4f5cd5797c9dbed42de1f2b98d53d0dcb353d026f75345
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35a7379e0b412ded1f344f646a3a39c78efbf84ad2b409d8bb9a26bc2a020df7
[INFO] running `Command { std: "docker" "start" "-a" "35a7379e0b412ded1f344f646a3a39c78efbf84ad2b409d8bb9a26bc2a020df7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking iana-time-zone v0.1.47
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling lock_api v0.4.8
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking tracing v0.1.36
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking tracing-subscriber v0.3.15
[INFO] [stderr]    Compiling tokio v1.21.0
[INFO] [stderr]     Checking object v0.24.0
[INFO] [stderr]     Checking os_str_bytes v6.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling thiserror v1.0.35
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]    Compiling backtrace v0.3.59
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking tagger v4.3.3
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking color-spantrace v0.2.0
[INFO] [stderr]     Checking chrono v0.4.22
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]     Checking addr2line v0.15.2
[INFO] [stderr]     Checking poloto v15.2.0
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking color-eyre v0.6.2
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.35
[INFO] [stderr]    Compiling clap_derive v3.2.18
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking clap v3.2.20
[INFO] [stderr]     Checking app-benchmark v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `csv` is imported redundantly
[INFO] [stdout]  --> src/bench/collector.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use csv;
[INFO] [stdout]   |     ^^^ the item `csv` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `csv` is imported redundantly
[INFO] [stdout]  --> src/bench/collector.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use csv;
[INFO] [stdout]   |     ^^^ the item `csv` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.91s
[INFO] running `Command { std: "docker" "inspect" "35a7379e0b412ded1f344f646a3a39c78efbf84ad2b409d8bb9a26bc2a020df7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35a7379e0b412ded1f344f646a3a39c78efbf84ad2b409d8bb9a26bc2a020df7", kill_on_drop: false }`
[INFO] [stdout] 35a7379e0b412ded1f344f646a3a39c78efbf84ad2b409d8bb9a26bc2a020df7