[INFO] cloning repository https://github.com/dgsantana/tagger
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dgsantana/tagger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgsantana%2Ftagger", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgsantana%2Ftagger'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7ce536ba44408fb33c644dd65cd53580910178d
[INFO] checking dgsantana/tagger against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgsantana%2Ftagger" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dgsantana/tagger
[INFO] finished tweaking git repo https://github.com/dgsantana/tagger
[INFO] tweaked toml for git repo https://github.com/dgsantana/tagger written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dgsantana/tagger on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "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 to latest compatible versions
[INFO] [stderr]       Adding colored v2.2.0 (available: v3.0.0)
[INFO] [stderr]       Adding git2 v0.18.3 (available: v0.20.2)
[INFO] [stderr]       Adding toml v0.8.23 (available: v0.9.8)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tempdir v0.3.7
[INFO] [stderr]   Downloaded quote v1.0.42
[INFO] [stderr]   Downloaded Inflector v0.11.4
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[INFO] [stderr]   Downloaded icu_locale_core v2.1.1
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[INFO] [stderr]   Downloaded icu_properties_data v2.1.1
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[INFO] [stderr]   Downloaded git2 v0.18.3
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[INFO] [stderr]   Downloaded jobserver v0.1.34
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[INFO] [stderr]   Downloaded libgit2-sys v0.16.2+1.7.2
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f99721e9cc6cc59844587439c7c21b7b2e29a3a9b3994aa8bda1152913376b8b
[INFO] running `Command { std: "docker" "start" "-a" "f99721e9cc6cc59844587439c7c21b7b2e29a3a9b3994aa8bda1152913376b8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f99721e9cc6cc59844587439c7c21b7b2e29a3a9b3994aa8bda1152913376b8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f99721e9cc6cc59844587439c7c21b7b2e29a3a9b3994aa8bda1152913376b8b", kill_on_drop: false }`
[INFO] [stdout] f99721e9cc6cc59844587439c7c21b7b2e29a3a9b3994aa8bda1152913376b8b
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2005ffd5dfa741a79de2b66f5e24a3648d675ff4f4721e342c677ebb63e81bcf
[INFO] running `Command { std: "docker" "start" "-a" "2005ffd5dfa741a79de2b66f5e24a3648d675ff4f4721e342c677ebb63e81bcf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling find-msvc-tools v0.1.4
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking litemap v0.8.1
[INFO] [stderr]     Checking writeable v0.6.2
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]    Compiling icu_properties_data v2.1.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]    Compiling num-traits v0.2.19
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[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]    Compiling openssl-sys v0.9.111
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[INFO] [stderr]    Compiling libssh2-sys v0.3.1
[INFO] [stderr]    Compiling libgit2-sys v0.16.2+1.7.2
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
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[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking zerofrom v0.1.6
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[INFO] [stderr]     Checking zerotrie v0.2.3
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[INFO] [stderr]     Checking zerovec v0.11.5
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[INFO] [stderr]     Checking serde_spanned v0.6.9
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[INFO] [stderr]     Checking url v2.5.7
[INFO] [stderr]     Checking git2 v0.18.3
[INFO] [stderr]     Checking toml v0.8.23
[INFO] [stderr]     Checking tagger v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Substring` and `Subvert` are never constructed
[INFO] [stdout]  --> src/query.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum Query {
[INFO] [stdout]   |          ----- variants in this enum
[INFO] [stdout] 2 |     Substring(String, String),
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 3 |     Regex(regex::Regex, String),
[INFO] [stdout] 4 |     Subvert(String, String),
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `substring` is never used
[INFO] [stdout]  --> src/query.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn substring(old: &str, new: &str) -> Query {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `subvert` is never used
[INFO] [stdout]   --> src/query.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn subvert(pattern: &str, replacement: &str) -> Query {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.99s
[INFO] running `Command { std: "docker" "inspect" "2005ffd5dfa741a79de2b66f5e24a3648d675ff4f4721e342c677ebb63e81bcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2005ffd5dfa741a79de2b66f5e24a3648d675ff4f4721e342c677ebb63e81bcf", kill_on_drop: false }`
[INFO] [stdout] 2005ffd5dfa741a79de2b66f5e24a3648d675ff4f4721e342c677ebb63e81bcf