[INFO] fetching crate filespooler 1.2.3...
[INFO] checking filespooler-1.2.3 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate filespooler 1.2.3 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate filespooler 1.2.3 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate filespooler 1.2.3
[INFO] finished tweaking crates.io crate filespooler 1.2.3
[INFO] tweaked toml for crates.io crate filespooler 1.2.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate filespooler 1.2.3 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rmp v0.8.11
[INFO] [stderr]   Downloaded fd-lock v3.0.5
[INFO] [stderr]   Downloaded paste v1.0.7
[INFO] [stderr]   Downloaded rmp-serde v1.1.0
[INFO] [stderr]   Downloaded clap_derive v4.1.9
[INFO] [stderr]   Downloaded terminal_size v0.2.2
[INFO] [stderr]   Downloaded io-lifetimes v0.7.5
[INFO] [stderr]   Downloaded backtrace v0.3.65
[INFO] [stderr]   Downloaded io-lifetimes v0.6.1
[INFO] [stderr]   Downloaded object v0.28.4
[INFO] [stderr]   Downloaded clap v4.1.11
[INFO] [stderr]   Downloaded gimli v0.26.1
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.30.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.30.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.30.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.30.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.30.0
[INFO] [stderr]   Downloaded rustix v0.34.8
[INFO] [stderr]   Downloaded uuid v1.1.0
[INFO] [stderr]   Downloaded windows-sys v0.30.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] afac59a2785e3d5019390a726e7e88b59bf7af2ef047a903c5b7eea5265f5773
[INFO] running `Command { std: "docker" "start" "-a" "afac59a2785e3d5019390a726e7e88b59bf7af2ef047a903c5b7eea5265f5773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afac59a2785e3d5019390a726e7e88b59bf7af2ef047a903c5b7eea5265f5773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afac59a2785e3d5019390a726e7e88b59bf7af2ef047a903c5b7eea5265f5773", kill_on_drop: false }`
[INFO] [stdout] afac59a2785e3d5019390a726e7e88b59bf7af2ef047a903c5b7eea5265f5773
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 005e629732173637cbd2ab0746b13e0e6c6c09aa429be4fd65222f3ec03e319a
[INFO] running `Command { std: "docker" "start" "-a" "005e629732173637cbd2ab0746b13e0e6c6c09aa429be4fd65222f3ec03e319a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling io-lifetimes v0.7.5
[INFO] [stderr]     Checking linux-raw-sys v0.0.46
[INFO] [stderr]    Compiling rustix v0.35.9
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling io-lifetimes v0.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling rustix v0.34.8
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]     Checking clap_lex v0.3.3
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]     Checking tracing-subscriber v0.3.11
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking uuid v1.1.0
[INFO] [stderr]     Checking rmp v0.8.11
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking fd-lock v3.0.5
[INFO] [stderr]     Checking terminal_size v0.2.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling clap_derive v4.1.9
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking clap v4.1.11
[INFO] [stderr]     Checking rmp-serde v1.1.0
[INFO] [stderr]     Checking filespooler v1.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `anyhow` is imported redundantly
[INFO] [stdout]   --> src/cmd/cmd_prepare.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use anyhow;
[INFO] [stdout]    |     ^^^^^^ the item `anyhow` 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 `anyhow` is imported redundantly
[INFO] [stdout]   --> src/cmd/cmd_prepare.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use anyhow;
[INFO] [stdout]    |     ^^^^^^ the item `anyhow` 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 `anyhow` is imported redundantly
[INFO] [stdout]   --> src/exec.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use anyhow;
[INFO] [stdout]    |     ^^^^^^ the item `anyhow` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `crc32fast` is imported redundantly
[INFO] [stdout]   --> src/header.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use crc32fast;
[INFO] [stdout]    |     ^^^^^^^^^ the item `crc32fast` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rmp_serde` is imported redundantly
[INFO] [stdout]   --> src/header.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | use rmp_serde;
[INFO] [stdout]    |     ^^^^^^^^^ the item `rmp_serde` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `anyhow` is imported redundantly
[INFO] [stdout]   --> src/exec.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use anyhow;
[INFO] [stdout]    |     ^^^^^^ the item `anyhow` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `fd_lock` is imported redundantly
[INFO] [stdout]   --> src/seqfile.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use fd_lock;
[INFO] [stdout]    |     ^^^^^^^ the item `fd_lock` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `crc32fast` is imported redundantly
[INFO] [stdout]   --> src/header.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use crc32fast;
[INFO] [stdout]    |     ^^^^^^^^^ the item `crc32fast` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rmp_serde` is imported redundantly
[INFO] [stdout]   --> src/header.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | use rmp_serde;
[INFO] [stdout]    |     ^^^^^^^^^ the item `rmp_serde` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Read` is imported redundantly
[INFO] [stdout]   --> src/jobfile.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     use super::*;
[INFO] [stdout]    |         -------- the item `Read` is already imported here
[INFO] [stdout] 67 |     use std::io::Read;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `fd_lock` is imported redundantly
[INFO] [stdout]   --> src/seqfile.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use fd_lock;
[INFO] [stdout]    |     ^^^^^^^ the item `fd_lock` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.99s
[INFO] running `Command { std: "docker" "inspect" "005e629732173637cbd2ab0746b13e0e6c6c09aa429be4fd65222f3ec03e319a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "005e629732173637cbd2ab0746b13e0e6c6c09aa429be4fd65222f3ec03e319a", kill_on_drop: false }`
[INFO] [stdout] 005e629732173637cbd2ab0746b13e0e6c6c09aa429be4fd65222f3ec03e319a