[INFO] cloning repository https://github.com/a-jonak/rust-project
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/a-jonak/rust-project" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-jonak%2Frust-project", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-jonak%2Frust-project'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b2636e850dd4b48f8cac070f85a533febc3b586
[INFO] testing a-jonak/rust-project against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-jonak%2Frust-project" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/a-jonak/rust-project on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/a-jonak/rust-project
[INFO] finished tweaking git repo https://github.com/a-jonak/rust-project
[INFO] tweaked toml for git repo https://github.com/a-jonak/rust-project written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/a-jonak/rust-project already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ffed4dfaa8c3ec239ba61190e134c7a3060f5f5b674a3cf4776a52781347d99
[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" "1ffed4dfaa8c3ec239ba61190e134c7a3060f5f5b674a3cf4776a52781347d99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ffed4dfaa8c3ec239ba61190e134c7a3060f5f5b674a3cf4776a52781347d99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ffed4dfaa8c3ec239ba61190e134c7a3060f5f5b674a3cf4776a52781347d99", kill_on_drop: false }`
[INFO] [stdout] 1ffed4dfaa8c3ec239ba61190e134c7a3060f5f5b674a3cf4776a52781347d99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 044f7f41125dbff61b11a4e818ea0ddb79fbbb3aa8fcb2ec2c7cf60d8eae0d23
[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" "044f7f41125dbff61b11a4e818ea0ddb79fbbb3aa8fcb2ec2c7cf60d8eae0d23", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling inflate v0.1.1
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling png v0.5.2
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling image v0.10.4
[INFO] [stderr]    Compiling raster v0.2.0
[INFO] [stderr]    Compiling image-processing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/interface.rs:86:17
[INFO] [stdout]    |
[INFO] [stdout] 86 | /                 Command::new("display")
[INFO] [stdout] 87 | |                         .arg(arguments[2].clone())
[INFO] [stdout] 88 | |                         .spawn();
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/interface.rs:99:17
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 raster::save(&processed, &arguments[3].clone());
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/interface.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 | /                 Command::new("display")
[INFO] [stdout] 101 | |                         .arg(arguments[3].clone())
[INFO] [stdout] 102 | |                         .spawn();
[INFO] [stdout]     | |_________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/interface.rs:106:17
[INFO] [stdout]     |
[INFO] [stdout] 106 | /                 Command::new("display")
[INFO] [stdout] 107 | |                         .arg(arguments[3].clone())
[INFO] [stdout] 108 | |                         .spawn();
[INFO] [stdout]     | |_________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/interface.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |                 raster::save(&processed, &arguments[4].clone());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/interface.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 | /                 Command::new("display")
[INFO] [stdout] 118 | |                         .arg(arguments[4].clone())
[INFO] [stdout] 119 | |                         .spawn();
[INFO] [stdout]     | |_________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.38s
[INFO] running `Command { std: "docker" "inspect" "044f7f41125dbff61b11a4e818ea0ddb79fbbb3aa8fcb2ec2c7cf60d8eae0d23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "044f7f41125dbff61b11a4e818ea0ddb79fbbb3aa8fcb2ec2c7cf60d8eae0d23", kill_on_drop: false }`
[INFO] [stdout] 044f7f41125dbff61b11a4e818ea0ddb79fbbb3aa8fcb2ec2c7cf60d8eae0d23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cdf4dc774435c210edf478e5c0001f5c9dffbb6c9b66bfe5ac83ef0f76ceec6
[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" "1cdf4dc774435c210edf478e5c0001f5c9dffbb6c9b66bfe5ac83ef0f76ceec6", kill_on_drop: false }`
[INFO] [stderr]    Compiling image-processing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/interface.rs:86:17
[INFO] [stdout]    |
[INFO] [stdout] 86 | /                 Command::new("display")
[INFO] [stdout] 87 | |                         .arg(arguments[2].clone())
[INFO] [stdout] 88 | |                         .spawn();
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/interface.rs:99:17
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 raster::save(&processed, &arguments[3].clone());
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/interface.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 | /                 Command::new("display")
[INFO] [stdout] 101 | |                         .arg(arguments[3].clone())
[INFO] [stdout] 102 | |                         .spawn();
[INFO] [stdout]     | |_________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/interface.rs:106:17
[INFO] [stdout]     |
[INFO] [stdout] 106 | /                 Command::new("display")
[INFO] [stdout] 107 | |                         .arg(arguments[3].clone())
[INFO] [stdout] 108 | |                         .spawn();
[INFO] [stdout]     | |_________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/interface.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |                 raster::save(&processed, &arguments[4].clone());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/interface.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 | /                 Command::new("display")
[INFO] [stdout] 118 | |                         .arg(arguments[4].clone())
[INFO] [stdout] 119 | |                         .spawn();
[INFO] [stdout]     | |_________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `Command { std: "docker" "inspect" "1cdf4dc774435c210edf478e5c0001f5c9dffbb6c9b66bfe5ac83ef0f76ceec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cdf4dc774435c210edf478e5c0001f5c9dffbb6c9b66bfe5ac83ef0f76ceec6", kill_on_drop: false }`
[INFO] [stdout] 1cdf4dc774435c210edf478e5c0001f5c9dffbb6c9b66bfe5ac83ef0f76ceec6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0bba10f4dbc115f87fe807846433e8d9b31e6e91e2b231a5e45795c50bd7c110
[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" "0bba10f4dbc115f87fe807846433e8d9b31e6e91e2b231a5e45795c50bd7c110", kill_on_drop: false }`
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/interface.rs:86:17
[INFO] [stderr]    |
[INFO] [stderr] 86 | /                 Command::new("display")
[INFO] [stderr] 87 | |                         .arg(arguments[2].clone())
[INFO] [stderr] 88 | |                         .spawn();
[INFO] [stderr]    | |_________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/interface.rs:99:17
[INFO] [stderr]    |
[INFO] [stderr] 99 |                 raster::save(&processed, &arguments[3].clone());
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/interface.rs:100:17
[INFO] [stderr]     |
[INFO] [stderr] 100 | /                 Command::new("display")
[INFO] [stderr] 101 | |                         .arg(arguments[3].clone())
[INFO] [stderr] 102 | |                         .spawn();
[INFO] [stderr]     | |_________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/interface.rs:106:17
[INFO] [stderr]     |
[INFO] [stderr] 106 | /                 Command::new("display")
[INFO] [stderr] 107 | |                         .arg(arguments[3].clone())
[INFO] [stderr] 108 | |                         .spawn();
[INFO] [stderr]     | |_________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/interface.rs:116:17
[INFO] [stderr]     |
[INFO] [stderr] 116 |                 raster::save(&processed, &arguments[4].clone());
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/interface.rs:117:17
[INFO] [stderr]     |
[INFO] [stderr] 117 | /                 Command::new("display")
[INFO] [stderr] 118 | |                         .arg(arguments[4].clone())
[INFO] [stderr] 119 | |                         .spawn();
[INFO] [stderr]     | |_________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/methods-ed2c6c08708ea74e
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/image_processing-ac9f299a06075570
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests methods
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0bba10f4dbc115f87fe807846433e8d9b31e6e91e2b231a5e45795c50bd7c110", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bba10f4dbc115f87fe807846433e8d9b31e6e91e2b231a5e45795c50bd7c110", kill_on_drop: false }`
[INFO] [stdout] 0bba10f4dbc115f87fe807846433e8d9b31e6e91e2b231a5e45795c50bd7c110
