[INFO] fetching crate egak 0.1.2...
[INFO] testing egak-0.1.2 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate egak 0.1.2 into /workspace/builds/worker-98/source
[INFO] validating manifest of crates.io crate egak 0.1.2 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate egak 0.1.2
[INFO] finished tweaking crates.io crate egak 0.1.2
[INFO] tweaked toml for crates.io crate egak 0.1.2 written to /workspace/builds/worker-98/source/Cargo.toml
[INFO] crate crates.io crate egak 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-bigint v0.3.2
[INFO] [stderr]   Downloaded imageproc v0.22.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95c601d73e3199094f50e0e5a0ea2dc412f03c31239def2a3c846a12aad174f1
[INFO] running `Command { std: "docker" "start" "-a" "95c601d73e3199094f50e0e5a0ea2dc412f03c31239def2a3c846a12aad174f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95c601d73e3199094f50e0e5a0ea2dc412f03c31239def2a3c846a12aad174f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95c601d73e3199094f50e0e5a0ea2dc412f03c31239def2a3c846a12aad174f1", kill_on_drop: false }`
[INFO] [stdout] 95c601d73e3199094f50e0e5a0ea2dc412f03c31239def2a3c846a12aad174f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d82e4db820e3ef4f9c0c9e47fa53e1b15dd969411285c4b285f4da9659b72b5b
[INFO] running `Command { std: "docker" "start" "-a" "d82e4db820e3ef4f9c0c9e47fa53e1b15dd969411285c4b285f4da9659b72b5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.4
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling gif v0.11.2
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling conv v0.3.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling rusttype v0.9.2
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling rulinalg v0.4.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling imageproc v0.22.0
[INFO] [stderr]    Compiling egak v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.79s
[INFO] running `Command { std: "docker" "inspect" "d82e4db820e3ef4f9c0c9e47fa53e1b15dd969411285c4b285f4da9659b72b5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d82e4db820e3ef4f9c0c9e47fa53e1b15dd969411285c4b285f4da9659b72b5b", kill_on_drop: false }`
[INFO] [stdout] d82e4db820e3ef4f9c0c9e47fa53e1b15dd969411285c4b285f4da9659b72b5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c793a79d0902d3f203ae0b98f7f968841774bec9098ff658b50519866211d4bf
[INFO] running `Command { std: "docker" "start" "-a" "c793a79d0902d3f203ae0b98f7f968841774bec9098ff658b50519866211d4bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling egak v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 | /     img::generate(
[INFO] [stdout] 78 | |         "./test0.png",
[INFO] [stdout] 79 | |         Color::Default.rgb(),
[INFO] [stdout] 80 | |         10,
[INFO] [stdout] 81 | |         10,
[INFO] [stdout] 82 | |         &format!("{}x{}", 10, 10),
[INFO] [stdout] 83 | |     );
[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 `Result` that must be used
[INFO] [stdout]   --> src/main.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 | /     img::generate(
[INFO] [stdout] 85 | |         "./test1.png",
[INFO] [stdout] 86 | |         Color::Default.rgb(),
[INFO] [stdout] 87 | |         100,
[INFO] [stdout] 88 | |         200,
[INFO] [stdout] 89 | |         &format!("{}x{}", 100, 200),
[INFO] [stdout] 90 | |     );
[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 `Result` that must be used
[INFO] [stdout]   --> src/main.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 | /     img::generate(
[INFO] [stdout] 92 | |         "./test2.png",
[INFO] [stdout] 93 | |         Color::Default.rgb(),
[INFO] [stdout] 94 | |         200,
[INFO] [stdout] 95 | |         100,
[INFO] [stdout] 96 | |         &format!("{}x{}", 200, 100),
[INFO] [stdout] 97 | |     );
[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 `Result` that must be used
[INFO] [stdout]    --> src/main.rs:98:5
[INFO] [stdout]     |
[INFO] [stdout] 98  | /     img::generate(
[INFO] [stdout] 99  | |         "./test3.png",
[INFO] [stdout] 100 | |         Color::Default.rgb(),
[INFO] [stdout] 101 | |         1200,
[INFO] [stdout] 102 | |         200,
[INFO] [stdout] 103 | |         &format!("{}x{}", 1200, 200),
[INFO] [stdout] 104 | |     );
[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 `Result` that must be used
[INFO] [stdout]    --> src/main.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 | /     img::generate(
[INFO] [stdout] 106 | |         "./test4.png",
[INFO] [stdout] 107 | |         Color::Default.rgb(),
[INFO] [stdout] 108 | |         200,
[INFO] [stdout] 109 | |         1200,
[INFO] [stdout] 110 | |         &format!("{}x{}", 200, 1200),
[INFO] [stdout] 111 | |     );
[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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.95s
[INFO] running `Command { std: "docker" "inspect" "c793a79d0902d3f203ae0b98f7f968841774bec9098ff658b50519866211d4bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c793a79d0902d3f203ae0b98f7f968841774bec9098ff658b50519866211d4bf", kill_on_drop: false }`
[INFO] [stdout] c793a79d0902d3f203ae0b98f7f968841774bec9098ff658b50519866211d4bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8dd916a291e5ba76699775b0a7d7706108a610fc627b8b40fab9f5844f926a3a
[INFO] running `Command { std: "docker" "start" "-a" "8dd916a291e5ba76699775b0a7d7706108a610fc627b8b40fab9f5844f926a3a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 | /     img::generate(
[INFO] [stderr] 78 | |         "./test0.png",
[INFO] [stderr] 79 | |         Color::Default.rgb(),
[INFO] [stderr] 80 | |         10,
[INFO] [stderr] 81 | |         10,
[INFO] [stderr] 82 | |         &format!("{}x{}", 10, 10),
[INFO] [stderr] 83 | |     );
[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 `Result` that must be used
[INFO] [stderr]   --> src/main.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 | /     img::generate(
[INFO] [stderr] 85 | |         "./test1.png",
[INFO] [stderr] 86 | |         Color::Default.rgb(),
[INFO] [stderr] 87 | |         100,
[INFO] [stderr] 88 | |         200,
[INFO] [stderr] 89 | |         &format!("{}x{}", 100, 200),
[INFO] [stderr] 90 | |     );
[INFO] [stderr]    | |______^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 | /     img::generate(
[INFO] [stderr] 92 | |         "./test2.png",
[INFO] [stderr] 93 | |         Color::Default.rgb(),
[INFO] [stderr] 94 | |         200,
[INFO] [stderr] 95 | |         100,
[INFO] [stderr] 96 | |         &format!("{}x{}", 200, 100),
[INFO] [stderr] 97 | |     );
[INFO] [stderr]    | |______^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:98:5
[INFO] [stderr]     |
[INFO] [stderr] 98  | /     img::generate(
[INFO] [stderr] 99  | |         "./test3.png",
[INFO] [stderr] 100 | |         Color::Default.rgb(),
[INFO] [stderr] 101 | |         1200,
[INFO] [stderr] 102 | |         200,
[INFO] [stderr] 103 | |         &format!("{}x{}", 1200, 200),
[INFO] [stderr] 104 | |     );
[INFO] [stderr]     | |______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 | /     img::generate(
[INFO] [stderr] 106 | |         "./test4.png",
[INFO] [stderr] 107 | |         Color::Default.rgb(),
[INFO] [stderr] 108 | |         200,
[INFO] [stderr] 109 | |         1200,
[INFO] [stderr] 110 | |         &format!("{}x{}", 200, 1200),
[INFO] [stderr] 111 | |     );
[INFO] [stderr]     | |______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `egak` (bin "egak" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/egak-df511c31e4210899)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8dd916a291e5ba76699775b0a7d7706108a610fc627b8b40fab9f5844f926a3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dd916a291e5ba76699775b0a7d7706108a610fc627b8b40fab9f5844f926a3a", kill_on_drop: false }`
[INFO] [stdout] 8dd916a291e5ba76699775b0a7d7706108a610fc627b8b40fab9f5844f926a3a