[INFO] cloning repository https://github.com/lelandbatey/rust_buddhabrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lelandbatey/rust_buddhabrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flelandbatey%2Frust_buddhabrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flelandbatey%2Frust_buddhabrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6cd8d6335eccb321cec734a602b272ea137bb50c
[INFO] testing lelandbatey/rust_buddhabrot against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flelandbatey%2Frust_buddhabrot" "/workspace/builds/worker-85/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-85/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lelandbatey/rust_buddhabrot on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lelandbatey/rust_buddhabrot
[INFO] finished tweaking git repo https://github.com/lelandbatey/rust_buddhabrot
[INFO] tweaked toml for git repo https://github.com/lelandbatey/rust_buddhabrot written to /workspace/builds/worker-85/source/Cargo.toml
[INFO] crate git repo https://github.com/lelandbatey/rust_buddhabrot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5aa320248baeb4a9add5bb2fc4f99965ddcae48933715768d5306ccd369878e
[INFO] running `Command { std: "docker" "start" "-a" "a5aa320248baeb4a9add5bb2fc4f99965ddcae48933715768d5306ccd369878e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5aa320248baeb4a9add5bb2fc4f99965ddcae48933715768d5306ccd369878e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5aa320248baeb4a9add5bb2fc4f99965ddcae48933715768d5306ccd369878e", kill_on_drop: false }`
[INFO] [stdout] a5aa320248baeb4a9add5bb2fc4f99965ddcae48933715768d5306ccd369878e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c3295e56ccea53796ae8d647ec8fb23668f4bbafd445a32a1f176eba95ec368
[INFO] running `Command { std: "docker" "start" "-a" "5c3295e56ccea53796ae8d647ec8fb23668f4bbafd445a32a1f176eba95ec368", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.22
[INFO] [stderr]    Compiling num-traits v0.1.37
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling rayon-core v1.0.0
[INFO] [stderr]    Compiling deque v0.3.2
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling adler32 v1.0.0
[INFO] [stderr]    Compiling inflate v0.2.0
[INFO] [stderr]    Compiling color_quant v1.0.0
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.7
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling regex-syntax v0.4.1
[INFO] [stderr]    Compiling serde v1.0.8
[INFO] [stderr]    Compiling argparse v0.2.1
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling smallvec v0.6.9
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling deflate v0.7.9
[INFO] [stderr]    Compiling gif v0.9.1
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling num_cpus v1.4.0
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling thread-id v3.1.0
[INFO] [stderr]    Compiling time v0.1.37
[INFO] [stderr]    Compiling num-integer v0.1.34
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling serde_json v1.0.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling num-complex v0.1.37
[INFO] [stderr]    Compiling thread_local v0.3.3
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling num-iter v0.1.33
[INFO] [stderr]    Compiling num-bigint v0.1.37
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]    Compiling png v0.7.0
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]    Compiling num-rational v0.1.36
[INFO] [stderr]    Compiling rayon v0.7.0
[INFO] [stderr]    Compiling num v0.1.37
[INFO] [stderr]    Compiling serde_derive v1.0.8
[INFO] [stderr]    Compiling jpeg-decoder v0.1.12
[INFO] [stderr]    Compiling image v0.13.0
[INFO] [stderr]    Compiling buddhabrot v0.1.0 (/opt/rustwide/workdir/buddhabrot)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> buddhabrot/src/ppm.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |             (fexp(val as f64, 0.001) / fexp(mx as f64, 0.001))
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:256:43
[INFO] [stdout]     |
[INFO] [stdout] 256 |     let mut scaling_funcs: Vec<(&str, Box<Fn(f64, f64) -> f64>)> = Vec::new();
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64, f64) -> f64`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling trajectory-gen v0.1.0 (/opt/rustwide/workdir/trajectory-gen)
[INFO] [stderr]    Compiling trajectory-render v0.1.0 (/opt/rustwide/workdir/trajectory-render)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 23s
[INFO] running `Command { std: "docker" "inspect" "5c3295e56ccea53796ae8d647ec8fb23668f4bbafd445a32a1f176eba95ec368", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c3295e56ccea53796ae8d647ec8fb23668f4bbafd445a32a1f176eba95ec368", kill_on_drop: false }`
[INFO] [stdout] 5c3295e56ccea53796ae8d647ec8fb23668f4bbafd445a32a1f176eba95ec368
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78e01ef8ae28632d8c258f3fbc7424fff6dba9d63b776930b3c461f3ff3f0635
[INFO] running `Command { std: "docker" "start" "-a" "78e01ef8ae28632d8c258f3fbc7424fff6dba9d63b776930b3c461f3ff3f0635", kill_on_drop: false }`
[INFO] [stderr]    Compiling buddhabrot v0.1.0 (/opt/rustwide/workdir/buddhabrot)
[INFO] [stderr]    Compiling trajectory-gen v0.1.0 (/opt/rustwide/workdir/trajectory-gen)
[INFO] [stderr]    Compiling trajectory-render v0.1.0 (/opt/rustwide/workdir/trajectory-render)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> buddhabrot/src/ppm.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |             (fexp(val as f64, 0.001) / fexp(mx as f64, 0.001))
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:256:43
[INFO] [stdout]     |
[INFO] [stdout] 256 |     let mut scaling_funcs: Vec<(&str, Box<Fn(f64, f64) -> f64>)> = Vec::new();
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64, f64) -> f64`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> buddhabrot/src/ppm.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |             (fexp(val as f64, 0.001) / fexp(mx as f64, 0.001))
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> buddhabrot/src/ppm.rs:256:43
[INFO] [stdout]     |
[INFO] [stdout] 256 |     let mut scaling_funcs: Vec<(&str, Box<Fn(f64, f64) -> f64>)> = Vec::new();
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64, f64) -> f64`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "78e01ef8ae28632d8c258f3fbc7424fff6dba9d63b776930b3c461f3ff3f0635", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78e01ef8ae28632d8c258f3fbc7424fff6dba9d63b776930b3c461f3ff3f0635", kill_on_drop: false }`
[INFO] [stdout] 78e01ef8ae28632d8c258f3fbc7424fff6dba9d63b776930b3c461f3ff3f0635
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0dbab448c648073acdf1451efc8c5cfcaf6c401232f23ede0c6a81b24f5831fd
[INFO] running `Command { std: "docker" "start" "-a" "0dbab448c648073acdf1451efc8c5cfcaf6c401232f23ede0c6a81b24f5831fd", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> buddhabrot/src/ppm.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 |             (fexp(val as f64, 0.001) / fexp(mx as f64, 0.001))
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> buddhabrot/src/ppm.rs:256:43
[INFO] [stderr]     |
[INFO] [stderr] 256 |     let mut scaling_funcs: Vec<(&str, Box<Fn(f64, f64) -> f64>)> = Vec::new();
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64, f64) -> f64`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `buddhabrot` (lib) generated 2 warnings
[INFO] [stderr] warning: `buddhabrot` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/buddhabrot-27643bab451b30b1)
[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/trajectory_gen-c09c39fa201fc20e)
[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/trajectory_render-09d0fc85101cb857)
[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]    Doc-tests buddhabrot
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> /opt/rustwide/workdir/buddhabrot/src/ppm.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 |             (fexp(val as f64, 0.001) / fexp(mx as f64, 0.001))
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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" "0dbab448c648073acdf1451efc8c5cfcaf6c401232f23ede0c6a81b24f5831fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dbab448c648073acdf1451efc8c5cfcaf6c401232f23ede0c6a81b24f5831fd", kill_on_drop: false }`
[INFO] [stdout] 0dbab448c648073acdf1451efc8c5cfcaf6c401232f23ede0c6a81b24f5831fd