[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 master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthehenrymcintosh%2Fimageserver_optimiser" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thehenrymcintosh/imageserver_optimiser on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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-9/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] cb9781c37011ee5f69ba872ab95c1590fa77dd7a8f691a427280db99e9d1a12c
[INFO] running `Command { std: "docker" "start" "-a" "cb9781c37011ee5f69ba872ab95c1590fa77dd7a8f691a427280db99e9d1a12c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb9781c37011ee5f69ba872ab95c1590fa77dd7a8f691a427280db99e9d1a12c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb9781c37011ee5f69ba872ab95c1590fa77dd7a8f691a427280db99e9d1a12c", kill_on_drop: false }`
[INFO] [stdout] cb9781c37011ee5f69ba872ab95c1590fa77dd7a8f691a427280db99e9d1a12c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 519463c09e141583bfe7ee10f772e2c6dd93ca46f05bb6506aadc40208e9390d
[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" "519463c09e141583bfe7ee10f772e2c6dd93ca46f05bb6506aadc40208e9390d", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling inotify-sys v0.1.4
[INFO] [stderr]    Compiling filetime v0.2.13
[INFO] [stderr]    Compiling net2 v0.2.35
[INFO] [stderr]    Compiling state v0.4.2
[INFO] [stderr]    Compiling walkdir v2.3.1
[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 12.83s
[INFO] running `Command { std: "docker" "inspect" "519463c09e141583bfe7ee10f772e2c6dd93ca46f05bb6506aadc40208e9390d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "519463c09e141583bfe7ee10f772e2c6dd93ca46f05bb6506aadc40208e9390d", kill_on_drop: false }`
[INFO] [stdout] 519463c09e141583bfe7ee10f772e2c6dd93ca46f05bb6506aadc40208e9390d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c9c6562e47a27db13a813180f28659dc918c1156741df1e6030442ba4060891
[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" "8c9c6562e47a27db13a813180f28659dc918c1156741df1e6030442ba4060891", 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 1.60s
[INFO] running `Command { std: "docker" "inspect" "8c9c6562e47a27db13a813180f28659dc918c1156741df1e6030442ba4060891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c9c6562e47a27db13a813180f28659dc918c1156741df1e6030442ba4060891", kill_on_drop: false }`
[INFO] [stdout] 8c9c6562e47a27db13a813180f28659dc918c1156741df1e6030442ba4060891
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 74c645523c5731b446efb2d7357d09dd12781994e6ed2fb742dd87a4f77e8e64
[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" "74c645523c5731b446efb2d7357d09dd12781994e6ed2fb742dd87a4f77e8e64", 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" "74c645523c5731b446efb2d7357d09dd12781994e6ed2fb742dd87a4f77e8e64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74c645523c5731b446efb2d7357d09dd12781994e6ed2fb742dd87a4f77e8e64", kill_on_drop: false }`
[INFO] [stdout] 74c645523c5731b446efb2d7357d09dd12781994e6ed2fb742dd87a4f77e8e64