[INFO] fetching crate cargo-spec 0.5.0...
[INFO] checking cargo-spec-0.5.0 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate cargo-spec 0.5.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate cargo-spec 0.5.0
[INFO] finished tweaking crates.io crate cargo-spec 0.5.0
[INFO] tweaked toml for crates.io crate cargo-spec 0.5.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-spec 0.5.0 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cargo-spec 0.5.0 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded supports-unicode v1.0.2
[INFO] [stderr]   Downloaded supports-color v1.3.0
[INFO] [stderr]   Downloaded supports-hyperlinks v1.2.0
[INFO] [stderr]   Downloaded owo-colors v3.2.0
[INFO] [stderr]   Downloaded twoway v0.2.2
[INFO] [stderr]   Downloaded miette-derive v4.2.1
[INFO] [stderr]   Downloaded askama_derive v0.11.0
[INFO] [stderr]   Downloaded humansize v1.1.1
[INFO] [stderr]   Downloaded askama_escape v0.10.2
[INFO] [stderr]   Downloaded shell-words v1.0.0
[INFO] [stderr]   Downloaded miette v4.2.1
[INFO] [stderr]   Downloaded askama_shared v0.12.0
[INFO] [stderr]   Downloaded comrak v0.13.0
[INFO] [stderr]   Downloaded unicode-linebreak v0.1.2
[INFO] [stderr]   Downloaded clap_derive v3.0.5
[INFO] [stderr]   Downloaded onig v6.3.1
[INFO] [stderr]   Downloaded line-wrap v0.1.1
[INFO] [stderr]   Downloaded plist v1.3.1
[INFO] [stderr]   Downloaded askama v0.11.0
[INFO] [stderr]   Downloaded clap v3.0.5
[INFO] [stderr]   Downloaded onig_sys v69.7.1
[INFO] [stderr]   Downloaded syntect v4.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5822b25f3dbda6ec38cd93b6ebe9ae3614f0f0750f61cab53db4023983fc31b3
[INFO] running `Command { std: "docker" "start" "-a" "5822b25f3dbda6ec38cd93b6ebe9ae3614f0f0750f61cab53db4023983fc31b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5822b25f3dbda6ec38cd93b6ebe9ae3614f0f0750f61cab53db4023983fc31b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5822b25f3dbda6ec38cd93b6ebe9ae3614f0f0750f61cab53db4023983fc31b3", kill_on_drop: false }`
[INFO] [stdout] 5822b25f3dbda6ec38cd93b6ebe9ae3614f0f0750f61cab53db4023983fc31b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66acbed466ee1b9e26f1e5220787b3332cc4aad444da0b4be60b610799f1b896
[INFO] running `Command { std: "docker" "start" "-a" "66acbed466ee1b9e26f1e5220787b3332cc4aad444da0b4be60b610799f1b896", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling onig_sys v69.7.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking time v0.3.5
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling askama_escape v0.10.2
[INFO] [stderr]     Checking xml-rs v0.8.4
[INFO] [stderr]     Checking smawk v0.3.1
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking is_ci v1.1.1
[INFO] [stderr]     Checking humansize v1.1.1
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking unchecked-index v0.2.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking twoway v0.2.2
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking supports-color v1.3.0
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking supports-hyperlinks v1.2.0
[INFO] [stderr]     Checking supports-unicode v1.0.2
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking owo-colors v3.2.0
[INFO] [stderr]     Checking shell-words v1.0.0
[INFO] [stderr]     Checking typed-arena v1.7.0
[INFO] [stderr]     Checking entities v1.0.1
[INFO] [stderr]     Checking notify v4.0.17
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling miette-derive v4.2.1
[INFO] [stderr]    Compiling clap_derive v3.0.5
[INFO] [stderr]    Compiling unicode-linebreak v0.1.2
[INFO] [stderr]     Checking onig v6.3.1
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking miette v4.2.1
[INFO] [stderr]     Checking clap v3.0.5
[INFO] [stderr]     Checking serde v1.0.133
[INFO] [stderr]     Checking serde_json v1.0.74
[INFO] [stderr]     Checking plist v1.3.1
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking syntect v4.7.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling askama_shared v0.12.0
[INFO] [stderr]     Checking comrak v0.13.0
[INFO] [stderr]    Compiling askama_derive v0.11.0
[INFO] [stderr]     Checking askama v0.11.0
[INFO] [stderr]     Checking cargo-spec v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `src` is never read
[INFO] [stdout]   --> src/errors.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         src: NamedSource,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bad_bit` is never read
[INFO] [stdout]   --> src/errors.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         bad_bit: (usize, usize),
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `src` is never read
[INFO] [stdout]   --> src/errors.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         src: NamedSource,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bad_bit` is never read
[INFO] [stdout]   --> src/errors.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         bad_bit: (usize, usize),
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `src` is never read
[INFO] [stdout]   --> src/errors.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         src: NamedSource,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bad_bit` is never read
[INFO] [stdout]   --> src/errors.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         bad_bit: (usize, usize),
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `src` is never read
[INFO] [stdout]   --> src/errors.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         src: NamedSource,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bad_bit` is never read
[INFO] [stdout]   --> src/errors.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         bad_bit: (usize, usize),
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `src` is never read
[INFO] [stdout]   --> src/errors.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         src: NamedSource,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bad_bit` is never read
[INFO] [stdout]   --> src/errors.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         bad_bit: (usize, usize),
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `src` is never read
[INFO] [stdout]   --> src/errors.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         src: NamedSource,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bad_bit` is never read
[INFO] [stdout]   --> src/errors.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         bad_bit: (usize, usize),
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `src` is never read
[INFO] [stdout]   --> src/errors.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         src: NamedSource,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bad_bit` is never read
[INFO] [stdout]   --> src/errors.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         bad_bit: (usize, usize),
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `src` is never read
[INFO] [stdout]   --> src/errors.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         src: NamedSource,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bad_bit` is never read
[INFO] [stdout]   --> src/errors.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         bad_bit: (usize, usize),
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.79s
[INFO] running `Command { std: "docker" "inspect" "66acbed466ee1b9e26f1e5220787b3332cc4aad444da0b4be60b610799f1b896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66acbed466ee1b9e26f1e5220787b3332cc4aad444da0b4be60b610799f1b896", kill_on_drop: false }`
[INFO] [stdout] 66acbed466ee1b9e26f1e5220787b3332cc4aad444da0b4be60b610799f1b896
