[INFO] cloning repository https://github.com/mlemesle/frustal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mlemesle/frustal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlemesle%2Ffrustal", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlemesle%2Ffrustal'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1040a1f82ad288c73ffca96dffa19d784c5a9c9
[INFO] testing mlemesle/frustal against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlemesle%2Ffrustal" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mlemesle/frustal on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mlemesle/frustal
[INFO] finished tweaking git repo https://github.com/mlemesle/frustal
[INFO] tweaked toml for git repo https://github.com/mlemesle/frustal written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/mlemesle/frustal already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3-build-config v0.14.5
[INFO] [stderr]   Downloaded png v0.17.2
[INFO] [stderr]   Downloaded inline-python v0.7.1
[INFO] [stderr]   Downloaded inline-python-macros v0.7.1
[INFO] [stderr]   Downloaded pyo3 v0.14.5
[INFO] [stderr]   Downloaded deflate v0.9.1
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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] 6a186680df8f4041f3b22ec6eac1c386f39adb77ee8440d0385ced03f86cd890
[INFO] running `Command { std: "docker" "start" "-a" "6a186680df8f4041f3b22ec6eac1c386f39adb77ee8440d0385ced03f86cd890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a186680df8f4041f3b22ec6eac1c386f39adb77ee8440d0385ced03f86cd890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a186680df8f4041f3b22ec6eac1c386f39adb77ee8440d0385ced03f86cd890", kill_on_drop: false }`
[INFO] [stdout] 6a186680df8f4041f3b22ec6eac1c386f39adb77ee8440d0385ced03f86cd890
[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=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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 331b1c5b6d0cac45717ebad4c4e834008a887cbab889629324f5cec6d0ed2143
[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" "331b1c5b6d0cac45717ebad4c4e834008a887cbab889629324f5cec6d0ed2143", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling pyo3-build-config v0.14.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling deflate v0.9.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling encoding v0.2.33
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling png v0.17.2
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling pyo3 v0.14.5
[INFO] [stderr]    Compiling inline-python-macros v0.7.1
[INFO] [stderr]    Compiling inline-python v0.7.1
[INFO] [stderr]    Compiling frustal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `draw_png`
[INFO] [stdout]   --> src/main.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn draw_png(m: Mandelbrot, buf: &mut [u8], pixel_size: u32) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.91s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "331b1c5b6d0cac45717ebad4c4e834008a887cbab889629324f5cec6d0ed2143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "331b1c5b6d0cac45717ebad4c4e834008a887cbab889629324f5cec6d0ed2143", kill_on_drop: false }`
[INFO] [stdout] 331b1c5b6d0cac45717ebad4c4e834008a887cbab889629324f5cec6d0ed2143
[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=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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a4b36e3fb6a4370d5791b081a3ede2a673b9609d1c7c485cd6c4d587917f974
[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" "4a4b36e3fb6a4370d5791b081a3ede2a673b9609d1c7c485cd6c4d587917f974", kill_on_drop: false }`
[INFO] [stderr]    Compiling frustal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `draw_png`
[INFO] [stdout]   --> src/main.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn draw_png(m: Mandelbrot, buf: &mut [u8], pixel_size: u32) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 0.75s
[INFO] running `Command { std: "docker" "inspect" "4a4b36e3fb6a4370d5791b081a3ede2a673b9609d1c7c485cd6c4d587917f974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a4b36e3fb6a4370d5791b081a3ede2a673b9609d1c7c485cd6c4d587917f974", kill_on_drop: false }`
[INFO] [stdout] 4a4b36e3fb6a4370d5791b081a3ede2a673b9609d1c7c485cd6c4d587917f974
[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=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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 981229339cb1dcbbc5777a9127712030c7c2b124c26c4d232854af2c4a13ac15
[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" "981229339cb1dcbbc5777a9127712030c7c2b124c26c4d232854af2c4a13ac15", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `draw_png`
[INFO] [stderr]   --> src/main.rs:51:4
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn draw_png(m: Mandelbrot, buf: &mut [u8], pixel_size: u32) {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `frustal` (bin "frustal" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/frustal-8460607b3a5f7592)
[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" "981229339cb1dcbbc5777a9127712030c7c2b124c26c4d232854af2c4a13ac15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "981229339cb1dcbbc5777a9127712030c7c2b124c26c4d232854af2c4a13ac15", kill_on_drop: false }`
[INFO] [stdout] 981229339cb1dcbbc5777a9127712030c7c2b124c26c4d232854af2c4a13ac15