[INFO] cloning repository https://github.com/frengels/lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/frengels/lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrengels%2Flang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrengels%2Flang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 97052d7f8041ed08f4b39c9fc821faedba3874fc
[INFO] testing frengels/lang against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrengels%2Flang" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/frengels/lang on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/frengels/lang
[INFO] finished tweaking git repo https://github.com/frengels/lang
[INFO] tweaked toml for git repo https://github.com/frengels/lang written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/frengels/lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c794d94a88c22369eddd76224491243a86c7d431be0790beeb24c6e0a90a840
[INFO] running `Command { std: "docker" "start" "-a" "6c794d94a88c22369eddd76224491243a86c7d431be0790beeb24c6e0a90a840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c794d94a88c22369eddd76224491243a86c7d431be0790beeb24c6e0a90a840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c794d94a88c22369eddd76224491243a86c7d431be0790beeb24c6e0a90a840", kill_on_drop: false }`
[INFO] [stdout] 6c794d94a88c22369eddd76224491243a86c7d431be0790beeb24c6e0a90a840
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72f9d3a316ba90edd6fe5fab2bbdd1338e742d3c8012b2f5d9cb031193d3c766
[INFO] running `Command { std: "docker" "start" "-a" "72f9d3a316ba90edd6fe5fab2bbdd1338e742d3c8012b2f5d9cb031193d3c766", kill_on_drop: false }`
[INFO] [stderr]    Compiling lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `scan_string`
[INFO] [stdout]    --> src/scanner.rs:303:8
[INFO] [stdout]     |
[INFO] [stdout] 303 |     fn scan_string(mut iter: Iter<u8>) -> ScanRes {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "72f9d3a316ba90edd6fe5fab2bbdd1338e742d3c8012b2f5d9cb031193d3c766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72f9d3a316ba90edd6fe5fab2bbdd1338e742d3c8012b2f5d9cb031193d3c766", kill_on_drop: false }`
[INFO] [stdout] 72f9d3a316ba90edd6fe5fab2bbdd1338e742d3c8012b2f5d9cb031193d3c766
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28d65dda769447dbd10f74f9a0e38ada065777cde2ea7d08b51b98a74e6b97e9
[INFO] running `Command { std: "docker" "start" "-a" "28d65dda769447dbd10f74f9a0e38ada065777cde2ea7d08b51b98a74e6b97e9", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling plotters-backend v0.3.0
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stdout] warning: associated function is never used: `scan_string`
[INFO] [stdout]    --> src/scanner.rs:303:8
[INFO] [stdout]     |
[INFO] [stdout] 303 |     fn scan_string(mut iter: Iter<u8>) -> ScanRes {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling plotters-svg v0.3.0
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling cast v0.2.6
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.4
[INFO] [stderr]    Compiling lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `scan_string`
[INFO] [stdout]    --> src/scanner.rs:303:8
[INFO] [stdout]     |
[INFO] [stdout] 303 |     fn scan_string(mut iter: Iter<u8>) -> ScanRes {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 27.87s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/lang-4ddfee777154df20)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/lang-4aaceb48388c3cb8)
[INFO] running `Command { std: "docker" "inspect" "28d65dda769447dbd10f74f9a0e38ada065777cde2ea7d08b51b98a74e6b97e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28d65dda769447dbd10f74f9a0e38ada065777cde2ea7d08b51b98a74e6b97e9", kill_on_drop: false }`
[INFO] [stdout] 28d65dda769447dbd10f74f9a0e38ada065777cde2ea7d08b51b98a74e6b97e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 41620e2340bb5f032ee51da8774262a801f68dbed0f94c3b43cec36f1dd7e1dd
[INFO] running `Command { std: "docker" "start" "-a" "41620e2340bb5f032ee51da8774262a801f68dbed0f94c3b43cec36f1dd7e1dd", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `scan_string`
[INFO] [stderr]    --> src/scanner.rs:303:8
[INFO] [stderr]     |
[INFO] [stderr] 303 |     fn scan_string(mut iter: Iter<u8>) -> ScanRes {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `lang` (lib) generated 1 warning
[INFO] [stderr] warning: `lang` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lang-4ddfee777154df20)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test scanner::tests::test_char ... ok
[INFO] [stdout] test scanner::tests::test_comment ... ok
[INFO] [stdout] test scanner::tests::test_int ... ok
[INFO] [stdout] test scanner::tests::test_float ... ok
[INFO] [stdout] test scanner::tests::test_keyword ... ok
[INFO] [stdout] test scanner::tests::test_newline ... ok
[INFO] [stdout] test scanner::tests::test_string ... ok
[INFO] [stdout] test scanner::tests::test_tab ... ok
[INFO] [stdout] test scanner::tests::test_whitespace ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/lang-4aaceb48388c3cb8)
[INFO] [stdout] 
[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] [stderr]    Doc-tests lang
[INFO] [stdout] 
[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" "41620e2340bb5f032ee51da8774262a801f68dbed0f94c3b43cec36f1dd7e1dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41620e2340bb5f032ee51da8774262a801f68dbed0f94c3b43cec36f1dd7e1dd", kill_on_drop: false }`
[INFO] [stdout] 41620e2340bb5f032ee51da8774262a801f68dbed0f94c3b43cec36f1dd7e1dd