[INFO] cloning repository https://github.com/ProbablyClem/string_parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ProbablyClem/string_parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FProbablyClem%2Fstring_parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FProbablyClem%2Fstring_parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ba0a46c603e1393c9cfdccbc11b82945dc3cc304
[INFO] testing ProbablyClem/string_parser against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FProbablyClem%2Fstring_parser" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ProbablyClem/string_parser on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ProbablyClem/string_parser
[INFO] finished tweaking git repo https://github.com/ProbablyClem/string_parser
[INFO] tweaked toml for git repo https://github.com/ProbablyClem/string_parser written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/ProbablyClem/string_parser already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-5/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0e6b7e7620abedf7daef11cd7b301af9e1834d145771262a876134e7d52bb84
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f0e6b7e7620abedf7daef11cd7b301af9e1834d145771262a876134e7d52bb84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0e6b7e7620abedf7daef11cd7b301af9e1834d145771262a876134e7d52bb84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0e6b7e7620abedf7daef11cd7b301af9e1834d145771262a876134e7d52bb84", kill_on_drop: false }`
[INFO] [stdout] f0e6b7e7620abedf7daef11cd7b301af9e1834d145771262a876134e7d52bb84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0608b643c004916bfdb6478841d80b307d1d3efbb04f6f33b8f463db4fe4ac87
[INFO] running `Command { std: "docker" "start" "-a" "0608b643c004916bfdb6478841d80b307d1d3efbb04f6f33b8f463db4fe4ac87", kill_on_drop: false }`
[INFO] [stderr]    Compiling string-parser v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "0608b643c004916bfdb6478841d80b307d1d3efbb04f6f33b8f463db4fe4ac87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0608b643c004916bfdb6478841d80b307d1d3efbb04f6f33b8f463db4fe4ac87", kill_on_drop: false }`
[INFO] [stdout] 0608b643c004916bfdb6478841d80b307d1d3efbb04f6f33b8f463db4fe4ac87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 46a252bd15d87ddb17be7075ccf2b92b6ebb7b655f0aacce939e13c9dbc31720
[INFO] running `Command { std: "docker" "start" "-a" "46a252bd15d87ddb17be7075ccf2b92b6ebb7b655f0aacce939e13c9dbc31720", kill_on_drop: false }`
[INFO] [stderr]    Compiling string-parser v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]   --> src/lib.rs:18:36
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let callback = |s: String, l: usize, f: &str| {
[INFO] [stdout]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/lib.rs:18:46
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let callback = |s: String, l: usize, f: &str| {
[INFO] [stdout]    |                                              ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `Command { std: "docker" "inspect" "46a252bd15d87ddb17be7075ccf2b92b6ebb7b655f0aacce939e13c9dbc31720", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46a252bd15d87ddb17be7075ccf2b92b6ebb7b655f0aacce939e13c9dbc31720", kill_on_drop: false }`
[INFO] [stdout] 46a252bd15d87ddb17be7075ccf2b92b6ebb7b655f0aacce939e13c9dbc31720
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b97dbc49c9ef2e03d8460515b9c13c29ac8595d01ebefe28f38d0ee1febc1d0c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b97dbc49c9ef2e03d8460515b9c13c29ac8595d01ebefe28f38d0ee1febc1d0c", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `l`
[INFO] [stdout] running 2 tests
[INFO] [stderr]   --> src/lib.rs:18:36
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let callback = |s: String, l: usize, f: &str| {
[INFO] [stderr]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]   --> src/lib.rs:18:46
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let callback = |s: String, l: usize, f: &str| {
[INFO] [stderr]    |                                              ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/string_parser-0193acf64cc5f1b1
[INFO] [stdout] test tests::test_closure ... ok
[INFO] [stdout] test tests::doc_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests string-parser
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - Parser (line 141) ... ok
[INFO] [stdout] test src/lib.rs - Parser::add (line 188) ... ok
[INFO] [stdout] test src/lib.rs - Parser::add (line 206) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b97dbc49c9ef2e03d8460515b9c13c29ac8595d01ebefe28f38d0ee1febc1d0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b97dbc49c9ef2e03d8460515b9c13c29ac8595d01ebefe28f38d0ee1febc1d0c", kill_on_drop: false }`
[INFO] [stdout] b97dbc49c9ef2e03d8460515b9c13c29ac8595d01ebefe28f38d0ee1febc1d0c