[INFO] cloning repository https://github.com/xalanq/max-lines
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xalanq/max-lines" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxalanq%2Fmax-lines", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxalanq%2Fmax-lines'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fdb312da51f3821fc8feff503648f5e353b31308
[INFO] testing xalanq/max-lines against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxalanq%2Fmax-lines" "/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/xalanq/max-lines on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xalanq/max-lines
[INFO] finished tweaking git repo https://github.com/xalanq/max-lines
[INFO] tweaked toml for git repo https://github.com/xalanq/max-lines written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/xalanq/max-lines already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93a9e8d713cb06c67d5a6cd806368341116bbf9dce1cd18d0bc40e98e155793a
[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" "93a9e8d713cb06c67d5a6cd806368341116bbf9dce1cd18d0bc40e98e155793a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93a9e8d713cb06c67d5a6cd806368341116bbf9dce1cd18d0bc40e98e155793a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93a9e8d713cb06c67d5a6cd806368341116bbf9dce1cd18d0bc40e98e155793a", kill_on_drop: false }`
[INFO] [stdout] 93a9e8d713cb06c67d5a6cd806368341116bbf9dce1cd18d0bc40e98e155793a
[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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cf9b009a1f962bd48f010c41f87c977c94c6387d03a9950d56af2d716e88c9c
[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" "1cf9b009a1f962bd48f010c41f87c977c94c6387d03a9950d56af2d716e88c9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling max_lines v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "1cf9b009a1f962bd48f010c41f87c977c94c6387d03a9950d56af2d716e88c9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cf9b009a1f962bd48f010c41f87c977c94c6387d03a9950d56af2d716e88c9c", kill_on_drop: false }`
[INFO] [stdout] 1cf9b009a1f962bd48f010c41f87c977c94c6387d03a9950d56af2d716e88c9c
[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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9eff61b4c23e51c561e4d31b2730b0b887c652302345038d36070d7020f32beb
[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" "9eff61b4c23e51c561e4d31b2730b0b887c652302345038d36070d7020f32beb", kill_on_drop: false }`
[INFO] [stderr]    Compiling max_lines v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "9eff61b4c23e51c561e4d31b2730b0b887c652302345038d36070d7020f32beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eff61b4c23e51c561e4d31b2730b0b887c652302345038d36070d7020f32beb", kill_on_drop: false }`
[INFO] [stdout] 9eff61b4c23e51c561e4d31b2730b0b887c652302345038d36070d7020f32beb
[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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ea488365ad7824784e1500ea0b4f12d210d46347bca410a8fac60273de80b07a
[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" "ea488365ad7824784e1500ea0b4f12d210d46347bca410a8fac60273de80b07a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/max_lines-81de7d014a407a2a
[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 max_lines
[INFO] [stderr] warning: unknown attribute `norun`. Did you mean `no_run`?
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / //! The `max_lines` crate can read many lines once a time from BufRead and
[INFO] [stderr] 2  | | //! **without any extra memory allocation.**.
[INFO] [stderr] 3  | | //!
[INFO] [stderr] 4  | | //! Have fun!
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | | //! });
[INFO] [stderr] 34 | | //! ```
[INFO] [stderr]    | |_______^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(invalid_codeblock_attributes)]` on by default
[INFO] [stderr]    = help: the code block will either not be tested if not marked as a rust one or will be run (which you might not want)
[INFO] [stderr] 
[INFO] [stderr] warning: unknown attribute `norun`. Did you mean `no_run`?
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / //! The `max_lines` crate can read many lines once a time from BufRead and
[INFO] [stderr] 2  | | //! **without any extra memory allocation.**.
[INFO] [stderr] 3  | | //!
[INFO] [stderr] 4  | | //! Have fun!
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | | //! });
[INFO] [stderr] 34 | | //! ```
[INFO] [stderr]    | |_______^
[INFO] [stderr]    |
[INFO] [stderr]    = help: the code block will either not be tested if not marked as a rust one or will be run (which you might not want)
[INFO] [stderr] 
[INFO] [stderr] warning: unknown attribute `norun`. Did you mean `no_run`?
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 | /     /// Read a single line.
[INFO] [stderr] 46 | |     ///
[INFO] [stderr] 47 | |     /// # Example
[INFO] [stderr] 48 | |     ///
[INFO] [stderr] ...  |
[INFO] [stderr] 59 | |     ///     // std::vec::Vec<std::result::Result<std::string::String, std::io::Error>>
[INFO] [stderr] 60 | |     /// });
[INFO] [stderr]    | |___________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: the code block will either not be tested if not marked as a rust one or will be run (which you might not want)
[INFO] [stderr] 
[INFO] [stderr] warning: unknown attribute `norun`. Did you mean `no_run`?
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 | /     /// # Example
[INFO] [stderr] 83 | |     /// extern crate max_lines;
[INFO] [stderr] 84 | |     /// use max_lines::*;
[INFO] [stderr] 85 | |     ///
[INFO] [stderr] ...  |
[INFO] [stderr] 91 | |     ///     // std::vec::Vec<std::result::Result<std::string::String, std::io::Error>>
[INFO] [stderr] 92 | |     /// });
[INFO] [stderr]    | |___________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: the code block will either not be tested if not marked as a rust one or will be run (which you might not want)
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[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" "ea488365ad7824784e1500ea0b4f12d210d46347bca410a8fac60273de80b07a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea488365ad7824784e1500ea0b4f12d210d46347bca410a8fac60273de80b07a", kill_on_drop: false }`
[INFO] [stdout] ea488365ad7824784e1500ea0b4f12d210d46347bca410a8fac60273de80b07a