[INFO] cloning repository https://github.com/marienfressinaud/seven_segments
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marienfressinaud/seven_segments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarienfressinaud%2Fseven_segments", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarienfressinaud%2Fseven_segments'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c0de2fd8a5dce13ef3ef0fe74fd291cc9446561
[INFO] testing marienfressinaud/seven_segments against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarienfressinaud%2Fseven_segments" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marienfressinaud/seven_segments on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/marienfressinaud/seven_segments
[INFO] finished tweaking git repo https://github.com/marienfressinaud/seven_segments
[INFO] tweaked toml for git repo https://github.com/marienfressinaud/seven_segments written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/marienfressinaud/seven_segments already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6056e9b5a08b71cb762aa93326b05c8d1e6916c4c1cb554ab6bf9937e05e108f
[INFO] running `Command { std: "docker" "start" "-a" "6056e9b5a08b71cb762aa93326b05c8d1e6916c4c1cb554ab6bf9937e05e108f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6056e9b5a08b71cb762aa93326b05c8d1e6916c4c1cb554ab6bf9937e05e108f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6056e9b5a08b71cb762aa93326b05c8d1e6916c4c1cb554ab6bf9937e05e108f", kill_on_drop: false }`
[INFO] [stdout] 6056e9b5a08b71cb762aa93326b05c8d1e6916c4c1cb554ab6bf9937e05e108f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a74609f1f7bc16e834cd97377c48ca5f06025f38690cdb89d420d2d0decc32e
[INFO] running `Command { std: "docker" "start" "-a" "6a74609f1f7bc16e834cd97377c48ca5f06025f38690cdb89d420d2d0decc32e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling seven_segments v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "6a74609f1f7bc16e834cd97377c48ca5f06025f38690cdb89d420d2d0decc32e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a74609f1f7bc16e834cd97377c48ca5f06025f38690cdb89d420d2d0decc32e", kill_on_drop: false }`
[INFO] [stdout] 6a74609f1f7bc16e834cd97377c48ca5f06025f38690cdb89d420d2d0decc32e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd1e1aa01367ae5d47e09d358d70e0afab9b548a0bbfb3a4602df5b70edfa101
[INFO] running `Command { std: "docker" "start" "-a" "bd1e1aa01367ae5d47e09d358d70e0afab9b548a0bbfb3a4602df5b70edfa101", kill_on_drop: false }`
[INFO] [stderr]    Compiling seven_segments v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]    --> src/lib.rs:107:4
[INFO] [stdout]     |
[INFO] [stdout] 107 | "#.trim_left_matches('\n');
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]    --> src/lib.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | "#.trim_left_matches('\n');
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |             format!("{} is supposed to not be parsable", string_number)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 64 |             "{} is supposed to not be parsable", string_number
[INFO] [stdout]    |            --                                                --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "bd1e1aa01367ae5d47e09d358d70e0afab9b548a0bbfb3a4602df5b70edfa101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd1e1aa01367ae5d47e09d358d70e0afab9b548a0bbfb3a4602df5b70edfa101", kill_on_drop: false }`
[INFO] [stdout] bd1e1aa01367ae5d47e09d358d70e0afab9b548a0bbfb3a4602df5b70edfa101
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8fed3e65eff0e1730285caba279c2788c9a595fd74eb5ecfdde23710e301bddd
[INFO] running `Command { std: "docker" "start" "-a" "8fed3e65eff0e1730285caba279c2788c9a595fd74eb5ecfdde23710e301bddd", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout] running 8 tests
[INFO] [stderr]    --> src/lib.rs:107:4
[INFO] [stderr]     |
[INFO] [stderr] 107 | "#.trim_left_matches('\n');
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stderr]    --> src/lib.rs:121:4
[INFO] [stderr]     |
[INFO] [stderr] 121 | "#.trim_left_matches('\n');
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/lib.rs:64:13
[INFO] [stderr]    |
[INFO] [stderr] 64 |             format!("{} is supposed to not be parsable", string_number)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]    = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]    |
[INFO] [stderr] 64 |             "{} is supposed to not be parsable", string_number
[INFO] [stderr]    |            --                                                --
[INFO] [stderr] 
[INFO] [stderr] warning: `seven_segments` (lib test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/seven_segments-b0f54263b594a703)
[INFO] [stdout] test tests::parse_digits_accepts_empty_strings ... ok
[INFO] [stdout] test tests::parse_digits_accepts_number ... ok
[INFO] [stdout] test tests::parse_digits_accepts_big_numbers ... ok
[INFO] [stdout] test tests::parse_digits_accepts_leading_zeros ... ok
[INFO] [stdout] test tests::parse_digits_fails_when_passing_a_non_parsable_string ... ok
[INFO] [stdout] test tests::parse_digits_accepts_surrounding_spaces ... ok
[INFO] [stdout] test tests::render_digits_returns_string_representing_7_segments_output ... ok
[INFO] [stdout] test tests::render_digits_returns_digits_seperated_by_spaces ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/seven_segments-5650b0e45804b28a)
[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 seven_segments
[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" "8fed3e65eff0e1730285caba279c2788c9a595fd74eb5ecfdde23710e301bddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fed3e65eff0e1730285caba279c2788c9a595fd74eb5ecfdde23710e301bddd", kill_on_drop: false }`
[INFO] [stdout] 8fed3e65eff0e1730285caba279c2788c9a595fd74eb5ecfdde23710e301bddd