[INFO] fetching crate readfish-tools 0.1.0...
[INFO] checking readfish-tools-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate readfish-tools 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate readfish-tools 0.1.0 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 readfish-tools 0.1.0
[INFO] finished tweaking crates.io crate readfish-tools 0.1.0
[INFO] tweaked toml for crates.io crate readfish-tools 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--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]      Locking 131 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding flume v0.10.14 (latest: v0.11.0)
[INFO] [stderr]       Adding indoc v1.0.9 (latest: v2.0.5)
[INFO] [stderr]       Adding itertools v0.11.0 (latest: v0.12.1)
[INFO] [stderr]       Adding libdeflate-sys v0.12.0 (latest: v1.20.0)
[INFO] [stderr]       Adding libdeflater v0.12.0 (latest: v1.20.0)
[INFO] [stderr]       Adding pyo3 v0.19.2 (latest: v0.21.1)
[INFO] [stderr]       Adding pyo3-build-config v0.19.2 (latest: v0.21.1)
[INFO] [stderr]       Adding pyo3-ffi v0.19.2 (latest: v0.21.1)
[INFO] [stderr]       Adding pyo3-macros v0.19.2 (latest: v0.21.1)
[INFO] [stderr]       Adding pyo3-macros-backend v0.19.2 (latest: v0.21.1)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding toml v0.7.8 (latest: v0.8.12)
[INFO] [stderr]       Adding toml_edit v0.19.15 (latest: v0.22.9)
[INFO] [stderr]       Adding unindent v0.1.11 (latest: v0.2.3)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding winnow v0.5.40 (latest: v0.6.5)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded encode_unicode v1.0.0
[INFO] [stderr]   Downloaded core_affinity v0.8.1
[INFO] [stderr]   Downloaded libdeflater v0.12.0
[INFO] [stderr]   Downloaded libdeflate-sys v0.12.0
[INFO] [stderr]   Downloaded prettytable v0.10.0
[INFO] [stderr]   Downloaded gzp v0.11.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e8b30b430bc6bcc366e2f0aafd9850de1044cde7c3d535367d4b80d1d47c23fb
[INFO] running `Command { std: "docker" "start" "-a" "e8b30b430bc6bcc366e2f0aafd9850de1044cde7c3d535367d4b80d1d47c23fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8b30b430bc6bcc366e2f0aafd9850de1044cde7c3d535367d4b80d1d47c23fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8b30b430bc6bcc366e2f0aafd9850de1044cde7c3d535367d4b80d1d47c23fb", kill_on_drop: false }`
[INFO] [stdout] e8b30b430bc6bcc366e2f0aafd9850de1044cde7c3d535367d4b80d1d47c23fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1c93444e653b053449b7e8a75bba90392a28cff99f74c096c3e261e2b1cf8e53
[INFO] running `Command { std: "docker" "start" "-a" "1c93444e653b053449b7e8a75bba90392a28cff99f74c096c3e261e2b1cf8e53", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling target-lexicon v0.12.14
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking hashbrown v0.14.3
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[INFO] [stderr]    Compiling indoc v1.0.9
[INFO] [stderr]     Checking unicode-width v0.1.11
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[INFO] [stderr]     Checking arrayvec v0.7.4
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[INFO] [stderr]    Compiling cmake v0.1.50
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[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
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[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
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[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking num_cpus v1.16.0
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[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking core_affinity v0.8.1
[INFO] [stderr]     Checking parking_lot v0.12.1
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[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking ndarray v0.15.6
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[INFO] [stderr]    Compiling libz-sys v1.1.16
[INFO] [stderr]    Compiling libdeflate-sys v0.12.0
[INFO] [stderr]    Compiling pyo3-macros-backend v0.19.2
[INFO] [stderr]    Compiling pyo3-ffi v0.19.2
[INFO] [stderr]    Compiling pyo3 v0.19.2
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking libdeflater v0.12.0
[INFO] [stderr]    Compiling pyo3-macros v0.19.2
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking flume v0.10.14
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[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking csv v1.3.0
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[INFO] [stderr]     Checking prettytable v0.10.0
[INFO] [stderr]     Checking toml v0.7.8
[INFO] [stderr]     Checking readfish-tools v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Table` is imported redundantly
[INFO] [stdout]     --> src/readfish.rs:1317:16
[INFO] [stdout]      |
[INFO] [stdout] 1317 |     use toml::{Table, Value};
[INFO] [stdout]      |                ^^^^^
[INFO] [stdout] 1318 |
[INFO] [stdout] 1319 |     use super::*;
[INFO] [stdout]      |         -------- the item `Table` is already imported here
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Value` is imported redundantly
[INFO] [stdout]     --> src/readfish.rs:1317:23
[INFO] [stdout]      |
[INFO] [stdout] 1317 |     use toml::{Table, Value};
[INFO] [stdout]      |                       ^^^^^
[INFO] [stdout] 1318 |
[INFO] [stdout] 1319 |     use super::*;
[INFO] [stdout]      |         -------- the item `Value` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PathBuf` is imported redundantly
[INFO] [stdout]     --> src/readfish.rs:1321:9
[INFO] [stdout]      |
[INFO] [stdout] 1319 |     use super::*;
[INFO] [stdout]      |         -------- the item `PathBuf` is already imported here
[INFO] [stdout] 1320 |     use std::fs;
[INFO] [stdout] 1321 |     use std::path::PathBuf;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Compression` is imported redundantly
[INFO] [stdout]    --> src/readfish_io.rs:415:9
[INFO] [stdout]     |
[INFO] [stdout] 413 |     use super::*;
[INFO] [stdout]     |         -------- the item `Compression` is already imported here
[INFO] [stdout] 414 |     use flate2::write::GzEncoder;
[INFO] [stdout] 415 |     use flate2::Compression;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Read` is imported redundantly
[INFO] [stdout]    --> src/readfish_io.rs:416:27
[INFO] [stdout]     |
[INFO] [stdout] 413 |     use super::*;
[INFO] [stdout]     |         -------- the item `Read` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 416 |     use std::io::{Cursor, Read};
[INFO] [stdout]     |                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PathBuf` is imported redundantly
[INFO] [stdout]     --> src/lib.rs:1226:9
[INFO] [stdout]      |
[INFO] [stdout] 1225 |     use super::*;
[INFO] [stdout]      |         -------- the item `PathBuf` is already imported here
[INFO] [stdout] 1226 |     use std::path::PathBuf;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 49s
[INFO] running `Command { std: "docker" "inspect" "1c93444e653b053449b7e8a75bba90392a28cff99f74c096c3e261e2b1cf8e53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c93444e653b053449b7e8a75bba90392a28cff99f74c096c3e261e2b1cf8e53", kill_on_drop: false }`
[INFO] [stdout] 1c93444e653b053449b7e8a75bba90392a28cff99f74c096c3e261e2b1cf8e53