[INFO] cloning repository https://github.com/thehenrymcintosh/imageserver_optimiser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thehenrymcintosh/imageserver_optimiser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthehenrymcintosh%2Fimageserver_optimiser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthehenrymcintosh%2Fimageserver_optimiser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 31f7fbd172d2920b9e9b5d8f4eaf5a030156e557
[INFO] testing thehenrymcintosh/imageserver_optimiser against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthehenrymcintosh%2Fimageserver_optimiser" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thehenrymcintosh/imageserver_optimiser on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thehenrymcintosh/imageserver_optimiser
[INFO] finished tweaking git repo https://github.com/thehenrymcintosh/imageserver_optimiser
[INFO] tweaked toml for git repo https://github.com/thehenrymcintosh/imageserver_optimiser written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/thehenrymcintosh/imageserver_optimiser already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] 1a1837312f38b12b75de3143f22ecaa7332a0d9b124c4eab48cc8278b0e479a6
[INFO] running `Command { std: "docker" "start" "-a" "1a1837312f38b12b75de3143f22ecaa7332a0d9b124c4eab48cc8278b0e479a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a1837312f38b12b75de3143f22ecaa7332a0d9b124c4eab48cc8278b0e479a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a1837312f38b12b75de3143f22ecaa7332a0d9b124c4eab48cc8278b0e479a6", kill_on_drop: false }`
[INFO] [stdout] 1a1837312f38b12b75de3143f22ecaa7332a0d9b124c4eab48cc8278b0e479a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15b9937fdaccf57796d0babdb6792e861e7cb3c0e4476073b513fc3340b6b1ea
[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" "15b9937fdaccf57796d0babdb6792e861e7cb3c0e4476073b513fc3340b6b1ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling inotify-sys v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.35
[INFO] [stderr]    Compiling filetime v0.2.13
[INFO] [stderr]    Compiling state v0.4.2
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling notify v4.0.15
[INFO] [stderr]    Compiling imageserver_optimiser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `cookie`
[INFO] [stdout]   --> src/webp_buffer.rs:44:51
[INFO] [stdout]    |
[INFO] [stdout] 44 |         Ok(RawEvent{path: Some(path), op: Ok(op), cookie}) => {
[INFO] [stdout]    |                                                   ^^^^^^ help: try ignoring the field: `cookie: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `plain`
[INFO] [stdout]    --> src/log.rs:223:10
[INFO] [stdout]     |
[INFO] [stdout] 223 |   pub fn plain(mut self) -> Trace {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.28s
[INFO] running `Command { std: "docker" "inspect" "15b9937fdaccf57796d0babdb6792e861e7cb3c0e4476073b513fc3340b6b1ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15b9937fdaccf57796d0babdb6792e861e7cb3c0e4476073b513fc3340b6b1ea", kill_on_drop: false }`
[INFO] [stdout] 15b9937fdaccf57796d0babdb6792e861e7cb3c0e4476073b513fc3340b6b1ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b9d82c7045de3a53b0fc0b6aaa027afa31eb310988eb91492f15e8d9fcf0121
[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" "3b9d82c7045de3a53b0fc0b6aaa027afa31eb310988eb91492f15e8d9fcf0121", kill_on_drop: false }`
[INFO] [stderr]    Compiling imageserver_optimiser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `cookie`
[INFO] [stdout]   --> src/webp_buffer.rs:44:51
[INFO] [stdout]    |
[INFO] [stdout] 44 |         Ok(RawEvent{path: Some(path), op: Ok(op), cookie}) => {
[INFO] [stdout]    |                                                   ^^^^^^ help: try ignoring the field: `cookie: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `plain`
[INFO] [stdout]    --> src/log.rs:223:10
[INFO] [stdout]     |
[INFO] [stdout] 223 |   pub fn plain(mut self) -> Trace {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "3b9d82c7045de3a53b0fc0b6aaa027afa31eb310988eb91492f15e8d9fcf0121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b9d82c7045de3a53b0fc0b6aaa027afa31eb310988eb91492f15e8d9fcf0121", kill_on_drop: false }`
[INFO] [stdout] 3b9d82c7045de3a53b0fc0b6aaa027afa31eb310988eb91492f15e8d9fcf0121
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", 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] 910c9520216378c0d00a584748c686ce31543ebd3b0b7a224fd03f1fd7bdce70
[INFO] running `Command { std: "docker" "start" "-a" "910c9520216378c0d00a584748c686ce31543ebd3b0b7a224fd03f1fd7bdce70", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `cookie`
[INFO] [stderr]   --> src/webp_buffer.rs:44:51
[INFO] [stderr]    |
[INFO] [stderr] 44 |         Ok(RawEvent{path: Some(path), op: Ok(op), cookie}) => {
[INFO] [stderr]    |                                                   ^^^^^^ help: try ignoring the field: `cookie: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `plain`
[INFO] [stderr]    --> src/log.rs:223:10
[INFO] [stderr]     |
[INFO] [stderr] 223 |   pub fn plain(mut self) -> Trace {
[INFO] [stderr]     |          ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/imageserver_optimiser-c5acbd291bfdd24c
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "910c9520216378c0d00a584748c686ce31543ebd3b0b7a224fd03f1fd7bdce70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "910c9520216378c0d00a584748c686ce31543ebd3b0b7a224fd03f1fd7bdce70", kill_on_drop: false }`
[INFO] [stdout] 910c9520216378c0d00a584748c686ce31543ebd3b0b7a224fd03f1fd7bdce70