[INFO] cloning repository https://github.com/mimoo/cargo-specification
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mimoo/cargo-specification" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmimoo%2Fcargo-specification", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmimoo%2Fcargo-specification'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 72657bba6bd0962e5e7d84a1bc6eec72f0d61554
[INFO] checking mimoo/cargo-specification against master#61cc47e367d7be91e13bcd01e4e96e0e233d4f6d for pr-133502-19
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmimoo%2Fcargo-specification" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mimoo/cargo-specification
[INFO] finished tweaking git repo https://github.com/mimoo/cargo-specification
[INFO] tweaked toml for git repo https://github.com/mimoo/cargo-specification written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mimoo/cargo-specification on toolchain 61cc47e367d7be91e13bcd01e4e96e0e233d4f6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mimoo/cargo-specification 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" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34e00444272faf46e5c4b628fb85aeafdf44a758c28c2428122a5247f20adeb3
[INFO] running `Command { std: "docker" "start" "-a" "34e00444272faf46e5c4b628fb85aeafdf44a758c28c2428122a5247f20adeb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34e00444272faf46e5c4b628fb85aeafdf44a758c28c2428122a5247f20adeb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34e00444272faf46e5c4b628fb85aeafdf44a758c28c2428122a5247f20adeb3", kill_on_drop: false }`
[INFO] [stdout] 34e00444272faf46e5c4b628fb85aeafdf44a758c28c2428122a5247f20adeb3
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 190208d1e8db9fd3cdbe6d945ef997656da4f6c06821ed6be71ecbeba4df9bf7
[INFO] running `Command { std: "docker" "start" "-a" "190208d1e8db9fd3cdbe6d945ef997656da4f6c06821ed6be71ecbeba4df9bf7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]    Compiling serde_json v1.0.74
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling onig_sys v69.7.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking time v0.3.5
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking xml-rs v0.8.4
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling askama_escape v0.10.2
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking smawk v0.3.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]    Compiling unicode-linebreak v0.1.2
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking unchecked-index v0.2.2
[INFO] [stderr]     Checking onig v6.3.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking is_ci v1.1.1
[INFO] [stderr]     Checking humansize v1.1.1
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking supports-color v1.3.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]    Compiling clap_derive v3.0.5
[INFO] [stderr]     Checking twoway v0.2.2
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]    Compiling miette-derive v4.2.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking supports-unicode v1.0.2
[INFO] [stderr]     Checking supports-hyperlinks v1.2.0
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking shell-words v1.0.0
[INFO] [stderr]     Checking entities v1.0.1
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking typed-arena v1.7.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking owo-colors v3.2.0
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking notify v4.0.17
[INFO] [stderr]     Checking clap v3.0.5
[INFO] [stderr]     Checking miette v4.2.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking plist v1.3.1
[INFO] [stderr]     Checking syntect v4.7.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking 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 1m 15s
[INFO] running `Command { std: "docker" "inspect" "190208d1e8db9fd3cdbe6d945ef997656da4f6c06821ed6be71ecbeba4df9bf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "190208d1e8db9fd3cdbe6d945ef997656da4f6c06821ed6be71ecbeba4df9bf7", kill_on_drop: false }`
[INFO] [stdout] 190208d1e8db9fd3cdbe6d945ef997656da4f6c06821ed6be71ecbeba4df9bf7