[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] cc751a286d05b41ac7e2c562657a149727c82870
[INFO] testing mimoo/cargo-specification against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmimoo%2Fcargo-specification" "/workspace/builds/worker-47/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-47/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mimoo/cargo-specification on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-47/source/Cargo.toml
[INFO] crate git repo https://github.com/mimoo/cargo-specification already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6935045d66a3ebc6ff1dc5da882d7bb8ae812474632d7189e428296905d6bbfc
[INFO] running `Command { std: "docker" "start" "-a" "6935045d66a3ebc6ff1dc5da882d7bb8ae812474632d7189e428296905d6bbfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6935045d66a3ebc6ff1dc5da882d7bb8ae812474632d7189e428296905d6bbfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6935045d66a3ebc6ff1dc5da882d7bb8ae812474632d7189e428296905d6bbfc", kill_on_drop: false }`
[INFO] [stdout] 6935045d66a3ebc6ff1dc5da882d7bb8ae812474632d7189e428296905d6bbfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83c98cee9c35fdbf7aa74bd9b7340c192a5703e270f0fc0d6482bf098dc4d48c
[INFO] running `Command { std: "docker" "start" "-a" "83c98cee9c35fdbf7aa74bd9b7340c192a5703e270f0fc0d6482bf098dc4d48c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling askama_escape v0.10.1
[INFO] [stderr]    Compiling humansize v1.1.1
[INFO] [stderr]    Compiling unchecked-index v0.2.2
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling typed-arena v1.7.0
[INFO] [stderr]    Compiling entities v1.0.1
[INFO] [stderr]    Compiling shell-words v1.0.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]    Compiling bitvec v0.19.5
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling twoway v0.2.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling comrak v0.11.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling askama_shared v0.11.1
[INFO] [stderr]    Compiling askama_derive v0.10.5
[INFO] [stderr]    Compiling askama v0.10.5
[INFO] [stderr]    Compiling specification v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `local_repo`
[INFO] [stdout]  --> src/git.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let local_repo = get_local_repo_path()?;
[INFO] [stdout]   |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_local_repo`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `github_repo`
[INFO] [stdout]  --> src/git.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let github_repo = get_github_repo()?;
[INFO] [stdout]   |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_github_repo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filepath`
[INFO] [stdout]  --> src/git.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn get_github_url(filepath: &Path, line: usize) -> Option<String> {
[INFO] [stdout]   |                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filepath`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]  --> src/git.rs:4:36
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn get_github_url(filepath: &Path, line: usize) -> Option<String> {
[INFO] [stdout]   |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/git.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let res = String::from_utf8(res.stdout).ok()?;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_github_url`
[INFO] [stdout]  --> src/git.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn get_github_url(filepath: &Path, line: usize) -> Option<String> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_github_repo`
[INFO] [stdout]   --> src/git.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn get_github_repo() -> Option<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_local_repo_path`
[INFO] [stdout]   --> src/git.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn get_local_repo_path() -> Option<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 37s
[INFO] running `Command { std: "docker" "inspect" "83c98cee9c35fdbf7aa74bd9b7340c192a5703e270f0fc0d6482bf098dc4d48c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83c98cee9c35fdbf7aa74bd9b7340c192a5703e270f0fc0d6482bf098dc4d48c", kill_on_drop: false }`
[INFO] [stdout] 83c98cee9c35fdbf7aa74bd9b7340c192a5703e270f0fc0d6482bf098dc4d48c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13026f97ff9e603e4ed37370ca718dce48dd45f819d05bc2f1e91966de48955b
[INFO] running `Command { std: "docker" "start" "-a" "13026f97ff9e603e4ed37370ca718dce48dd45f819d05bc2f1e91966de48955b", kill_on_drop: false }`
[INFO] [stderr]    Compiling specification v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `local_repo`
[INFO] [stdout]  --> src/git.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let local_repo = get_local_repo_path()?;
[INFO] [stdout]   |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_local_repo`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `github_repo`
[INFO] [stdout]  --> src/git.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let github_repo = get_github_repo()?;
[INFO] [stdout]   |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_github_repo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filepath`
[INFO] [stdout]  --> src/git.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn get_github_url(filepath: &Path, line: usize) -> Option<String> {
[INFO] [stdout]   |                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filepath`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]  --> src/git.rs:4:36
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn get_github_url(filepath: &Path, line: usize) -> Option<String> {
[INFO] [stdout]   |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/git.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let res = String::from_utf8(res.stdout).ok()?;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_github_url`
[INFO] [stdout]  --> src/git.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn get_github_url(filepath: &Path, line: usize) -> Option<String> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_github_repo`
[INFO] [stdout]   --> src/git.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn get_github_repo() -> Option<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_local_repo_path`
[INFO] [stdout]   --> src/git.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn get_local_repo_path() -> Option<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "13026f97ff9e603e4ed37370ca718dce48dd45f819d05bc2f1e91966de48955b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13026f97ff9e603e4ed37370ca718dce48dd45f819d05bc2f1e91966de48955b", kill_on_drop: false }`
[INFO] [stdout] 13026f97ff9e603e4ed37370ca718dce48dd45f819d05bc2f1e91966de48955b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e0357a84ce3aea37ceb3f4e6e027e299979ecf32539dd0d4b5ef86d6c6b513a2
[INFO] running `Command { std: "docker" "start" "-a" "e0357a84ce3aea37ceb3f4e6e027e299979ecf32539dd0d4b5ef86d6c6b513a2", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `local_repo`
[INFO] [stderr]  --> src/git.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let local_repo = get_local_repo_path()?;
[INFO] [stderr]   |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_local_repo`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `github_repo`
[INFO] [stderr]  --> src/git.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let github_repo = get_github_repo()?;
[INFO] [stderr]   |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_github_repo`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `filepath`
[INFO] [stderr]  --> src/git.rs:4:19
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn get_github_url(filepath: &Path, line: usize) -> Option<String> {
[INFO] [stderr]   |                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filepath`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]  --> src/git.rs:4:36
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn get_github_url(filepath: &Path, line: usize) -> Option<String> {
[INFO] [stderr]   |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]   --> src/git.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let res = String::from_utf8(res.stdout).ok()?;
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_github_url`
[INFO] [stderr]  --> src/git.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn get_github_url(filepath: &Path, line: usize) -> Option<String> {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_github_repo`
[INFO] [stderr]   --> src/git.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn get_github_repo() -> Option<String> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_local_repo_path`
[INFO] [stderr]   --> src/git.rs:25:4
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn get_local_repo_path() -> Option<String> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `specification` (bin "specification" test) generated 8 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/specification-79f83a0bb22a472e)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e0357a84ce3aea37ceb3f4e6e027e299979ecf32539dd0d4b5ef86d6c6b513a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0357a84ce3aea37ceb3f4e6e027e299979ecf32539dd0d4b5ef86d6c6b513a2", kill_on_drop: false }`
[INFO] [stdout] e0357a84ce3aea37ceb3f4e6e027e299979ecf32539dd0d4b5ef86d6c6b513a2