[INFO] cloning repository https://github.com/Sgeo/bitmagic_converter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sgeo/bitmagic_converter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSgeo%2Fbitmagic_converter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSgeo%2Fbitmagic_converter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6816cb54a3ec96c7f9a271f89545d14c0090c354
[INFO] checking Sgeo/bitmagic_converter against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSgeo%2Fbitmagic_converter" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Sgeo/bitmagic_converter on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Sgeo/bitmagic_converter
[INFO] finished tweaking git repo https://github.com/Sgeo/bitmagic_converter
[INFO] tweaked toml for git repo https://github.com/Sgeo/bitmagic_converter written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Sgeo/bitmagic_converter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f99443d81a8d0631788b422ac58ced29eeef5ad8b72a0c7e2bd280be50828cd
[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" "8f99443d81a8d0631788b422ac58ced29eeef5ad8b72a0c7e2bd280be50828cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f99443d81a8d0631788b422ac58ced29eeef5ad8b72a0c7e2bd280be50828cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f99443d81a8d0631788b422ac58ced29eeef5ad8b72a0c7e2bd280be50828cd", kill_on_drop: false }`
[INFO] [stdout] 8f99443d81a8d0631788b422ac58ced29eeef5ad8b72a0c7e2bd280be50828cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb1bb67743978a9b38b1478649ffd5bf7761ffdcd8fd6a95ece33367fff01d93
[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" "bb1bb67743978a9b38b1478649ffd5bf7761ffdcd8fd6a95ece33367fff01d93", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking bitmagic_converter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `LittleEndian`, `WriteBytesExt`
[INFO] [stdout]  --> src/main.rs:5:31
[INFO] [stdout]   |
[INFO] [stdout] 5 | use byteorder::{ReadBytesExt, WriteBytesExt, BigEndian, LittleEndian};
[INFO] [stdout]   |                               ^^^^^^^^^^^^^             ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LittleEndian`, `WriteBytesExt`
[INFO] [stdout]  --> src/main.rs:5:31
[INFO] [stdout]   |
[INFO] [stdout] 5 | use byteorder::{ReadBytesExt, WriteBytesExt, BigEndian, LittleEndian};
[INFO] [stdout]   |                               ^^^^^^^^^^^^^             ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         write!(metadata_file, "File: {}\nName: {}\nCreator: {}\n\n", &filename, &name, &creator);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         write!(metadata_file, "File: {}\nName: {}\nCreator: {}\n\n", &filename, &name, &creator);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `Command { std: "docker" "inspect" "bb1bb67743978a9b38b1478649ffd5bf7761ffdcd8fd6a95ece33367fff01d93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb1bb67743978a9b38b1478649ffd5bf7761ffdcd8fd6a95ece33367fff01d93", kill_on_drop: false }`
[INFO] [stdout] bb1bb67743978a9b38b1478649ffd5bf7761ffdcd8fd6a95ece33367fff01d93
