[INFO] cloning repository https://github.com/Bestra/advent-2018-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bestra/advent-2018-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBestra%2Fadvent-2018-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBestra%2Fadvent-2018-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c8897c54b4e52c5153a7f2c99a502fadef02306
[INFO] testing Bestra/advent-2018-rs against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBestra%2Fadvent-2018-rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Bestra/advent-2018-rs on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Bestra/advent-2018-rs
[INFO] finished tweaking git repo https://github.com/Bestra/advent-2018-rs
[INFO] tweaked toml for git repo https://github.com/Bestra/advent-2018-rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Bestra/advent-2018-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cursive v0.7.5
[INFO] [stderr]   Downloaded cfg-if v0.1.2
[INFO] [stderr]   Downloaded num-integer v0.1.35
[INFO] [stderr]   Downloaded num-rational v0.1.40
[INFO] [stderr]   Downloaded stable_deref_trait v1.0.0
[INFO] [stderr]   Downloaded maplit v1.0.0
[INFO] [stderr]   Downloaded num-bigint v0.1.41
[INFO] [stderr]   Downloaded toml v0.4.5
[INFO] [stderr]   Downloaded num-iter v0.1.34
[INFO] [stderr]   Downloaded fuchsia-zircon-sys v0.3.2
[INFO] [stderr]   Downloaded unicode-segmentation v1.2.0
[INFO] [stderr]   Downloaded num-complex v0.1.41
[INFO] [stderr]   Downloaded fuchsia-zircon v0.3.2
[INFO] [stderr]   Downloaded libc v0.2.34
[INFO] [stderr]   Downloaded gcc v0.3.54
[INFO] [stderr]   Downloaded num-traits v0.1.41
[INFO] [stderr]   Downloaded num v0.1.41
[INFO] [stderr]   Downloaded log v0.4.1
[INFO] [stderr]   Downloaded bitflags v1.0.1
[INFO] [stderr]   Downloaded rprompt v1.0.3
[INFO] [stderr]   Downloaded pkg-config v0.3.9
[INFO] [stderr]   Downloaded rand v0.3.19
[INFO] [stderr]   Downloaded ncurses v5.88.0
[INFO] [stderr]   Downloaded serde v1.0.26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5d7298e26e07ae15cfd1aaf1f9891ab4cffdc87a00924e1771dffc47d65662a
[INFO] running `Command { std: "docker" "start" "-a" "b5d7298e26e07ae15cfd1aaf1f9891ab4cffdc87a00924e1771dffc47d65662a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5d7298e26e07ae15cfd1aaf1f9891ab4cffdc87a00924e1771dffc47d65662a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5d7298e26e07ae15cfd1aaf1f9891ab4cffdc87a00924e1771dffc47d65662a", kill_on_drop: false }`
[INFO] [stdout] b5d7298e26e07ae15cfd1aaf1f9891ab4cffdc87a00924e1771dffc47d65662a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 454b0553725099301b7ddc652256bd99d6af421e3024954519f25c24447bba82
[INFO] running `Command { std: "docker" "start" "-a" "454b0553725099301b7ddc652256bd99d6af421e3024954519f25c24447bba82", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.1.41
[INFO] [stderr]    Compiling libc v0.2.34
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling serde v1.0.26
[INFO] [stderr]    Compiling stable_deref_trait v1.0.0
[INFO] [stderr]    Compiling unicode-segmentation v1.2.0
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling maplit v1.0.0
[INFO] [stderr]    Compiling rprompt v1.0.3
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling rand v0.3.19
[INFO] [stderr]    Compiling ncurses v5.88.0
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stderr]    Compiling num-bigint v0.1.41
[INFO] [stderr]    Compiling num-complex v0.1.41
[INFO] [stderr]    Compiling num-rational v0.1.40
[INFO] [stderr]    Compiling num v0.1.41
[INFO] [stderr]    Compiling toml v0.4.5
[INFO] [stderr]    Compiling cursive v0.7.5
[INFO] [stderr]    Compiling advent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.71s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "454b0553725099301b7ddc652256bd99d6af421e3024954519f25c24447bba82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "454b0553725099301b7ddc652256bd99d6af421e3024954519f25c24447bba82", kill_on_drop: false }`
[INFO] [stdout] 454b0553725099301b7ddc652256bd99d6af421e3024954519f25c24447bba82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 305ff482665e3dbc66850aeeebea8c94e1588bf69461943194e1de16855eb9b2
[INFO] running `Command { std: "docker" "start" "-a" "305ff482665e3dbc66850aeeebea8c94e1588bf69461943194e1de16855eb9b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `split` is never used
[INFO] [stdout]   --> src/day_4.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn split(s: &str) -> Vec<String> {
[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 0.44s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "305ff482665e3dbc66850aeeebea8c94e1588bf69461943194e1de16855eb9b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "305ff482665e3dbc66850aeeebea8c94e1588bf69461943194e1de16855eb9b2", kill_on_drop: false }`
[INFO] [stdout] 305ff482665e3dbc66850aeeebea8c94e1588bf69461943194e1de16855eb9b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e4285a4addb64e732310d6f9d297ef7eac622d56862c90ded2ac52f7fed8cc83
[INFO] running `Command { std: "docker" "start" "-a" "e4285a4addb64e732310d6f9d297ef7eac622d56862c90ded2ac52f7fed8cc83", kill_on_drop: false }`
[INFO] [stderr] warning: function `split` is never used
[INFO] [stderr]   --> src/day_4.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn split(s: &str) -> Vec<String> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `advent` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/advent-35c171bf5cb0f1de)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test day_2::tests::pt_2 ... ok
[INFO] [stdout] test day_2::tests::pt_1 ... ok
[INFO] [stdout] test day_1::tests::pt_1 ... ok
[INFO] [stdout] test day_1::tests::pt_2 ... ok
[INFO] [stdout] test day_3::tests::check_17 ... ok
[INFO] [stdout] test day_3::tests::check_dist ... ok
[INFO] [stdout] test day_3::tests::pt_1 ... ok
[INFO] [stdout] test day_4::tests::pt_1 ... ok
[INFO] [stdout] test day_4::tests::pt_2 ... 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/advent-825b78a81147e2c1)
[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 advent
[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" "e4285a4addb64e732310d6f9d297ef7eac622d56862c90ded2ac52f7fed8cc83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4285a4addb64e732310d6f9d297ef7eac622d56862c90ded2ac52f7fed8cc83", kill_on_drop: false }`
[INFO] [stdout] e4285a4addb64e732310d6f9d297ef7eac622d56862c90ded2ac52f7fed8cc83
[INFO] testing Bestra/advent-2018-rs against beta-2023-12-22 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBestra%2Fadvent-2018-rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Bestra/advent-2018-rs on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Bestra/advent-2018-rs
[INFO] finished tweaking git repo https://github.com/Bestra/advent-2018-rs
[INFO] tweaked toml for git repo https://github.com/Bestra/advent-2018-rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Bestra/advent-2018-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0085630b586058d084a412c628f1aceb8edf31b2a40308191974809d583ef1b
[INFO] running `Command { std: "docker" "start" "-a" "c0085630b586058d084a412c628f1aceb8edf31b2a40308191974809d583ef1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0085630b586058d084a412c628f1aceb8edf31b2a40308191974809d583ef1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0085630b586058d084a412c628f1aceb8edf31b2a40308191974809d583ef1b", kill_on_drop: false }`
[INFO] [stdout] c0085630b586058d084a412c628f1aceb8edf31b2a40308191974809d583ef1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71868762d416e70c24573ba180118d346ddcb6c4bc5750195f0ea39ca907e662
[INFO] running `Command { std: "docker" "start" "-a" "71868762d416e70c24573ba180118d346ddcb6c4bc5750195f0ea39ca907e662", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.1.41
[INFO] [stderr]    Compiling libc v0.2.34
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling serde v1.0.26
[INFO] [stderr]    Compiling stable_deref_trait v1.0.0
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling maplit v1.0.0
[INFO] [stderr]    Compiling unicode-segmentation v1.2.0
[INFO] [stderr]    Compiling rprompt v1.0.3
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stdout] error[E0310]: the parameter type `T` may not live long enough
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.3.24/src/serialize.rs:1155:5
[INFO] [stdout]      |
[INFO] [stdout] 1155 |     fn decode<D: Decoder>(d: &mut D) -> Result<Cow<'static, T>, D::Error> {
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |     |
[INFO] [stdout]      |     the parameter type `T` must be valid for the static lifetime...
[INFO] [stdout]      |     ...so that the type `T` will meet its required lifetime bounds...
[INFO] [stdout]      |
[INFO] [stdout] note: ...that is required by this bound
[INFO] [stdout]     --> /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/borrow.rs:180:30
[INFO] [stdout] help: consider adding an explicit lifetime bound
[INFO] [stdout]      |
[INFO] [stdout] 1151 | impl<'a, T: ?Sized + 'static> Decodable for Cow<'a, T>
[INFO] [stdout]      |                    +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling rand v0.3.19
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stderr]    Compiling ncurses v5.88.0
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0310`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "71868762d416e70c24573ba180118d346ddcb6c4bc5750195f0ea39ca907e662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71868762d416e70c24573ba180118d346ddcb6c4bc5750195f0ea39ca907e662", kill_on_drop: false }`
[INFO] [stdout] 71868762d416e70c24573ba180118d346ddcb6c4bc5750195f0ea39ca907e662
