[INFO] fetching crate cellular 0.1.2...
[INFO] testing cellular-0.1.2 against 1.54.0 for beta-1.55-1
[INFO] extracting crate cellular 0.1.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate cellular 0.1.2 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cellular 0.1.2
[INFO] finished tweaking crates.io crate cellular 0.1.2
[INFO] tweaked toml for crates.io crate cellular 0.1.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate cellular 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a99382dd568acf63b1cf9dade5204e494c4e0adf745bbb033f69045822eec3d8
[INFO] running `Command { std: "docker" "start" "-a" "a99382dd568acf63b1cf9dade5204e494c4e0adf745bbb033f69045822eec3d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a99382dd568acf63b1cf9dade5204e494c4e0adf745bbb033f69045822eec3d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a99382dd568acf63b1cf9dade5204e494c4e0adf745bbb033f69045822eec3d8", kill_on_drop: false }`
[INFO] [stdout] a99382dd568acf63b1cf9dade5204e494c4e0adf745bbb033f69045822eec3d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4440dfa9f6badcd5bf4ac139bfe2518acba07790c0130de614a042d73eb60b8a
[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" "4440dfa9f6badcd5bf4ac139bfe2518acba07790c0130de614a042d73eb60b8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytemuck v1.5.1
[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling imgref v1.9.0
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling console v0.14.1
[INFO] [stderr]    Compiling rgb v0.8.27
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling gif v0.11.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling gif-dispose v3.1.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling indicatif v0.16.1
[INFO] [stderr]    Compiling cellular v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.96s
[INFO] running `Command { std: "docker" "inspect" "4440dfa9f6badcd5bf4ac139bfe2518acba07790c0130de614a042d73eb60b8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4440dfa9f6badcd5bf4ac139bfe2518acba07790c0130de614a042d73eb60b8a", kill_on_drop: false }`
[INFO] [stdout] 4440dfa9f6badcd5bf4ac139bfe2518acba07790c0130de614a042d73eb60b8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e97d1eefce0466bd45ae4272e1555364e46ee7e54857f0debddc2cffff4c89aa
[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" "e97d1eefce0466bd45ae4272e1555364e46ee7e54857f0debddc2cffff4c89aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling plotters-backend v0.3.0
[INFO] [stderr]    Compiling float-ord v0.2.0
[INFO] [stderr]    Compiling ttf-parser v0.12.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling plotters-svg v0.3.0
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling freetype v0.7.0
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling servo-fontconfig v0.5.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling pathfinder_simd v0.5.1
[INFO] [stderr]    Compiling simple_logger v1.11.0
[INFO] [stderr]    Compiling pathfinder_geometry v0.5.1
[INFO] [stderr]    Compiling font-kit v0.10.1
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling plotters-bitmap v0.3.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling cellular v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]    --> tests/image_manip.rs:401:9
[INFO] [stdout]     |
[INFO] [stdout] 401 |     use std::fs::File;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]    --> tests/image_manip.rs:402:21
[INFO] [stdout]     |
[INFO] [stdout] 402 |     use std::time::{Duration, Instant};
[INFO] [stdout]     |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> tests/image_manip.rs:462:13
[INFO] [stdout]     |
[INFO] [stdout] 462 |         let len = sizes.len();
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `init_logger`
[INFO] [stdout]    --> tests/image_manip.rs:163:8
[INFO] [stdout]     |
[INFO] [stdout] 163 |     fn init_logger() {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RULE`
[INFO] [stdout]    --> tests/image_manip.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 169 |     const RULE: u8 = 110;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `init_logger`
[INFO] [stdout]    --> tests/image_manip.rs:394:8
[INFO] [stdout]     |
[INFO] [stdout] 394 |     fn init_logger() {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/image_manip.rs:91:28
[INFO] [stdout]    |
[INFO] [stdout] 91 |                     panic!(e);
[INFO] [stdout]    |                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 91 |                     panic!("{}", e);
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 91 |                     std::panic::panic_any(e);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/image_manip.rs:103:28
[INFO] [stdout]     |
[INFO] [stdout] 103 |                     panic!(e);
[INFO] [stdout]     |                            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 103 |                     panic!("{}", e);
[INFO] [stdout]     |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 103 |                     std::panic::panic_any(e);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/image_manip.rs:427:21
[INFO] [stdout]     |
[INFO] [stdout] 427 | /                     writer.write_record(&[
[INFO] [stdout] 428 | |                         format!("{}", width),
[INFO] [stdout] 429 | |                         format!("{}", height),
[INFO] [stdout] 430 | |                         format!("{}", f),
[INFO] [stdout] 431 | |                         end.duration_since(start).as_secs_f64().to_string(),
[INFO] [stdout] 432 | |                     ]);
[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]    --> tests/image_manip.rs:472:13
[INFO] [stdout]     |
[INFO] [stdout] 472 | /             writer.write_record(&[
[INFO] [stdout] 473 | |                 format!("{}", size),
[INFO] [stdout] 474 | |                 end.duration_since(start).as_secs_f64().to_string(),
[INFO] [stdout] 475 | |             ]);
[INFO] [stdout]     | |_______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 49.67s
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e97d1eefce0466bd45ae4272e1555364e46ee7e54857f0debddc2cffff4c89aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e97d1eefce0466bd45ae4272e1555364e46ee7e54857f0debddc2cffff4c89aa", kill_on_drop: false }`
[INFO] [stdout] e97d1eefce0466bd45ae4272e1555364e46ee7e54857f0debddc2cffff4c89aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aa689f631381ed810522365f0b7ee0e05762f3fd707ad33c66db78d8fcf21c53
[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" "aa689f631381ed810522365f0b7ee0e05762f3fd707ad33c66db78d8fcf21c53", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]    --> tests/image_manip.rs:401:9
[INFO] [stderr]     |
[INFO] [stderr] 401 |     use std::fs::File;
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]    --> tests/image_manip.rs:402:21
[INFO] [stderr]     |
[INFO] [stderr] 402 |     use std::time::{Duration, Instant};
[INFO] [stderr]     |                     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len`
[INFO] [stderr]    --> tests/image_manip.rs:462:13
[INFO] [stderr]     |
[INFO] [stderr] 462 |         let len = sizes.len();
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `init_logger`
[INFO] [stderr]    --> tests/image_manip.rs:163:8
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn init_logger() {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `RULE`
[INFO] [stderr]    --> tests/image_manip.rs:169:5
[INFO] [stderr]     |
[INFO] [stderr] 169 |     const RULE: u8 = 110;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `init_logger`
[INFO] [stderr]    --> tests/image_manip.rs:394:8
[INFO] [stderr]     |
[INFO] [stderr] 394 |     fn init_logger() {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> tests/image_manip.rs:91:28
[INFO] [stderr]    |
[INFO] [stderr] 91 |                     panic!(e);
[INFO] [stderr]    |                            ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 91 |                     panic!("{}", e);
[INFO] [stderr]    |                            ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 91 |                     std::panic::panic_any(e);
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> tests/image_manip.rs:103:28
[INFO] [stderr]     |
[INFO] [stderr] 103 |                     panic!(e);
[INFO] [stderr]     |                            ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 103 |                     panic!("{}", e);
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 103 |                     std::panic::panic_any(e);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/image_manip.rs:427:21
[INFO] [stderr]     |
[INFO] [stderr] 427 | /                     writer.write_record(&[
[INFO] [stderr] 428 | |                         format!("{}", width),
[INFO] [stderr] 429 | |                         format!("{}", height),
[INFO] [stderr] 430 | |                         format!("{}", f),
[INFO] [stderr] 431 | |                         end.duration_since(start).as_secs_f64().to_string(),
[INFO] [stderr] 432 | |                     ]);
[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]    --> tests/image_manip.rs:472:13
[INFO] [stderr]     |
[INFO] [stderr] 472 | /             writer.write_record(&[
[INFO] [stderr] 473 | |                 format!("{}", size),
[INFO] [stderr] 474 | |                 end.duration_since(start).as_secs_f64().to_string(),
[INFO] [stderr] 475 | |             ]);
[INFO] [stderr]     | |_______________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cellular-6b1a6aa11eae06cb)
[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/cellular-38173be41ba91cde)
[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 tests/image_manip.rs (/opt/rustwide/target/debug/deps/image_manip-efef1d80faa858cf)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test bitmap_bench::constructor_profiling ... ignored
[INFO] [stdout] test bitmap_bench::rule_step_profiling ... ignored
[INFO] [stdout] test bitmap_tests::test_rule_step_normal_cases ... ok
[INFO] [stdout] test image_manip_bench::build_gif_profiling ... ignored
[INFO] [stdout] test bitmap_tests::test_bitmap_constructor ... ok
[INFO] [stdout] test image_manip_tests::test_gen_next_image ... ok
[INFO] [stdout] test bitmap_tests::test_set ... ok
[INFO] [stdout] test bitmap_tests::test_unset ... ok
[INFO] [stdout] test image_manip_tests::test_init_image ... ok
[INFO] [stdout] test bitmap_tests::test_rule_step_wrap_around_cases ... ok
[INFO] [stdout] test bitmap_tests::test_get_with_out_of_bounds_val - should panic ... ok
[INFO] [stdout] test bitmap_tests::test_bitmap_constructor_bad_args - should panic ... ok
[INFO] [stdout] test bitmap_tests::test_random_constructor_bad_args - should panic ... ok
[INFO] [stdout] test bitmap_tests::test_unset_with_out_of_bounds_val - should panic ... ok
[INFO] [stdout] test image_manip_tests::test_build_gif ... FAILED
[INFO] [stdout] test bitmap_tests::test_set_with_out_of_bounds_val - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- image_manip_tests::test_build_gif stdout ----
[INFO] [stdout] [
[INFO] [stdout]     1,
[INFO] [stdout]     1,
[INFO] [stdout]     1,
[INFO] [stdout]     1,
[INFO] [stdout]     1,
[INFO] [stdout]     0,
[INFO] [stdout]     0,
[INFO] [stdout]     0,
[INFO] [stdout]     0,
[INFO] [stdout]     0,
[INFO] [stdout] ]
[INFO] [stdout] thread 'image_manip_tests::test_build_gif' panicked at 'called `Result::unwrap()` on an `Err` value: Io(Os { code: 30, kind: Other, message: "Read-only file system" })', tests/image_manip.rs:80:78
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x561d7c68b200 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x561d7c68b200 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x561d7c68b200 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x561d7c68b200 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x561d7c6aee7c - core::fmt::write::h306731c068f7162c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stdout]    5:     0x561d7c688005 - std::io::Write::write_fmt::h87f19b0a2cd190bc
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stdout]    6:     0x561d7c68d36b - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x561d7c68d36b - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x561d7c68d36b - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x561d7c68ce7c - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x561d7c68da34 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x561d7c68d517 - std::panicking::begin_panic_handler::{{closure}}::h8ab3b4491718b2c7
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x561d7c68b6fc - std::sys_common::backtrace::__rust_end_short_backtrace::hd489062ffa586a9f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x561d7c68d479 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x561d7c546ac1 - core::panicking::panic_fmt::hca6330e3e14086b4
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x561d7c546bb3 - core::result::unwrap_failed::h6160d2b4bfbb0e87
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/result.rs:1355:5
[INFO] [stdout]   16:     0x561d7c54d100 - core::result::Result<T,E>::unwrap::h7d829f28a0d7d58f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/result.rs:1037:23
[INFO] [stdout]   17:     0x561d7c5484ae - image_manip::image_manip_tests::test_build_gif::h64fe6c0466e021ce
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/image_manip.rs:80:13
[INFO] [stdout]   18:     0x561d7c547dea - image_manip::image_manip_tests::test_build_gif::{{closure}}::ha9028c005d29115c
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/image_manip.rs:57:5
[INFO] [stdout]   19:     0x561d7c54dcce - core::ops::function::FnOnce::call_once::hd94d9a70cac02c4e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x561d7c585be3 - core::ops::function::FnOnce::call_once::h152e7e439ff59e19
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x561d7c585be3 - test::__rust_begin_short_backtrace::h0908f3b1fdbb72ab
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:577:5
[INFO] [stdout]   22:     0x561d7c5846a0 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf6d2a51e5587546c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   23:     0x561d7c5846a0 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8af660f3a89ef593
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   24:     0x561d7c5846a0 - std::panicking::try::do_call::hd36aef60f84b6d36
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   25:     0x561d7c5846a0 - std::panicking::try::h9932b4480e69817c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   26:     0x561d7c5846a0 - std::panic::catch_unwind::h6aa177099cfff5f8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   27:     0x561d7c5846a0 - test::run_test_in_process::h5884d6f2d99e20c3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:600:18
[INFO] [stdout]   28:     0x561d7c5846a0 - test::run_test::run_test_inner::{{closure}}::h6fdc58c6d5f5b6e3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:492:39
[INFO] [stdout]   29:     0x561d7c55dd52 - test::run_test::run_test_inner::{{closure}}::h408365d67a78ade8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:519:37
[INFO] [stdout]   30:     0x561d7c55dd52 - std::sys_common::backtrace::__rust_begin_short_backtrace::hb560b77c4f701523
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x561d7c561908 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf2e7831dad93c597
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]   32:     0x561d7c561908 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd2e08783d8be4d02
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x561d7c561908 - std::panicking::try::do_call::h062597b7acfd6b82
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x561d7c561908 - std::panicking::try::h0d7b79db04c14552
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x561d7c561908 - std::panic::catch_unwind::hb01a0b5e7c8cd43b
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x561d7c561908 - std::thread::Builder::spawn_unchecked::{{closure}}::h5bde48cc887e0d1e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]   37:     0x561d7c561908 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h745ea30807a29e55
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x561d7c692707 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7ece6cfefaff1005
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   39:     0x561d7c692707 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb8b48e55c21f193e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   40:     0x561d7c692707 - std::sys::unix::thread::Thread::new::thread_start::h8c7c4450dba62914
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   41:     0x7f266ca1c609 - start_thread
[INFO] [stdout]   42:     0x7f266c7ee293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     image_manip_tests::test_build_gif
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 12 passed; 1 failed; 3 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--test image_manip'
[INFO] running `Command { std: "docker" "inspect" "aa689f631381ed810522365f0b7ee0e05762f3fd707ad33c66db78d8fcf21c53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa689f631381ed810522365f0b7ee0e05762f3fd707ad33c66db78d8fcf21c53", kill_on_drop: false }`
[INFO] [stdout] aa689f631381ed810522365f0b7ee0e05762f3fd707ad33c66db78d8fcf21c53
