[INFO] fetching crate image2ascii 0.2.1...
[INFO] testing image2ascii-0.2.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate image2ascii 0.2.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate image2ascii 0.2.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate image2ascii 0.2.1
[INFO] finished tweaking crates.io crate image2ascii 0.2.1
[INFO] tweaked toml for crates.io crate image2ascii 0.2.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate image2ascii 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15a6ca21095b2b7251641d8050312f8150822f9963768e8802716a90e13afadd
[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" "15a6ca21095b2b7251641d8050312f8150822f9963768e8802716a90e13afadd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15a6ca21095b2b7251641d8050312f8150822f9963768e8802716a90e13afadd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15a6ca21095b2b7251641d8050312f8150822f9963768e8802716a90e13afadd", kill_on_drop: false }`
[INFO] [stdout] 15a6ca21095b2b7251641d8050312f8150822f9963768e8802716a90e13afadd
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c3fcab1e25b72722cf9d2bece4f2b9a6f976dcc26ccdd04e8e2ba1f754c7739
[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" "0c3fcab1e25b72722cf9d2bece4f2b9a6f976dcc26ccdd04e8e2ba1f754c7739", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling ttf-parser v0.6.2
[INFO] [stderr]    Compiling bytemuck v1.3.1
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling tiff v0.5.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling png v0.16.7
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.2
[INFO] [stderr]    Compiling owned_ttf_parser v0.6.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling rusttype v0.9.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling jpeg-decoder v0.1.20
[INFO] [stderr]    Compiling structopt-derive v0.4.9
[INFO] [stderr]    Compiling image v0.23.8
[INFO] [stderr]    Compiling structopt v0.3.16
[INFO] [stderr]    Compiling image2ascii v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/lib.rs:6:39
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{self, BufWriter, Write, Read};
[INFO] [stdout]   |                                       ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `Command { std: "docker" "inspect" "0c3fcab1e25b72722cf9d2bece4f2b9a6f976dcc26ccdd04e8e2ba1f754c7739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c3fcab1e25b72722cf9d2bece4f2b9a6f976dcc26ccdd04e8e2ba1f754c7739", kill_on_drop: false }`
[INFO] [stdout] 0c3fcab1e25b72722cf9d2bece4f2b9a6f976dcc26ccdd04e8e2ba1f754c7739
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f443f02b615a5b368be0efc64857d44a4ab6907b42a7816ab44a604abf844c25
[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" "f443f02b615a5b368be0efc64857d44a4ab6907b42a7816ab44a604abf844c25", kill_on_drop: false }`
[INFO] [stderr]    Compiling image2ascii v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/lib.rs:6:39
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{self, BufWriter, Write, Read};
[INFO] [stdout]   |                                       ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 5.07s
[INFO] running `Command { std: "docker" "inspect" "f443f02b615a5b368be0efc64857d44a4ab6907b42a7816ab44a604abf844c25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f443f02b615a5b368be0efc64857d44a4ab6907b42a7816ab44a604abf844c25", kill_on_drop: false }`
[INFO] [stdout] f443f02b615a5b368be0efc64857d44a4ab6907b42a7816ab44a604abf844c25
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2e2547d05df4f6ebf88df1c4ec3793616ca183efb59f066467b1e2e3e727559c
[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" "2e2547d05df4f6ebf88df1c4ec3793616ca183efb59f066467b1e2e3e727559c", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/lib.rs:6:39
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::{self, BufWriter, Write, Read};
[INFO] [stderr]   |                                       ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `image2ascii` (lib) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/image2ascii-afa2a243a980a0c5)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test char2darray_overwrite_char_works ... ok
[INFO] [stdout] test char2darray_new_works ... ok
[INFO] [stdout] test char2darray_from_works ... ok
[INFO] [stdout] test char2darray_overwrite_fn_works ... ok
[INFO] [stdout] test pad_works ... ok
[INFO] [stdout] test char2darray_to_lines_works ... ok
[INFO] [stdout] test char2darray_overwrite_line_works ... ok
[INFO] [stdout] test ascii2density_works ... ok
[INFO] [stdout] test char2darray_overwrite_rect_center_works ... ok
[INFO] [stdout] test char2darray_height_width_works ... ok
[INFO] [stdout] test char2darray_overwrite_rect_works ... ok
[INFO] [stdout] test char2darray_overwrite_rect_center_trans_works ... ok
[INFO] [stdout] test char2darray_save ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/image2ascii-8d8bd164503b95f6)
[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]      Running unittests (/opt/rustwide/target/debug/deps/string2ascii-d976fd00b2167ee3)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests image2ascii
[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] [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" "2e2547d05df4f6ebf88df1c4ec3793616ca183efb59f066467b1e2e3e727559c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e2547d05df4f6ebf88df1c4ec3793616ca183efb59f066467b1e2e3e727559c", kill_on_drop: false }`
[INFO] [stdout] 2e2547d05df4f6ebf88df1c4ec3793616ca183efb59f066467b1e2e3e727559c