[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] 915650ed12ac2d1af5d082509816e4470568d83a
[INFO] testing thehenrymcintosh/imageserver_optimiser against 1.49.0 for beta-1.50-1
[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 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7b578235ea4aae165d42653e85ca4dd6d4c597d611a9c875732a49f2e26bdaa
[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" "e7b578235ea4aae165d42653e85ca4dd6d4c597d611a9c875732a49f2e26bdaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7b578235ea4aae165d42653e85ca4dd6d4c597d611a9c875732a49f2e26bdaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7b578235ea4aae165d42653e85ca4dd6d4c597d611a9c875732a49f2e26bdaa", kill_on_drop: false }`
[INFO] [stdout] e7b578235ea4aae165d42653e85ca4dd6d4c597d611a9c875732a49f2e26bdaa
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0829081993e3fcee9812380a91439c4e0f96a62ff3ddf1abc10c5aae7f404722
[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" "0829081993e3fcee9812380a91439c4e0f96a62ff3ddf1abc10c5aae7f404722", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling state v0.4.2
[INFO] [stderr]    Compiling net2 v0.2.35
[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 inotify v0.7.1
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling notify v4.0.15
[INFO] [stderr]    Compiling imageserver_optimiser v0.1.2-alpha.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 10.44s
[INFO] running `Command { std: "docker" "inspect" "0829081993e3fcee9812380a91439c4e0f96a62ff3ddf1abc10c5aae7f404722", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0829081993e3fcee9812380a91439c4e0f96a62ff3ddf1abc10c5aae7f404722", kill_on_drop: false }`
[INFO] [stdout] 0829081993e3fcee9812380a91439c4e0f96a62ff3ddf1abc10c5aae7f404722
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9a65a7c572c5bfe2c8c8ce25c3689136c03470b79f93cef30139e511774e7a5
[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" "a9a65a7c572c5bfe2c8c8ce25c3689136c03470b79f93cef30139e511774e7a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling imageserver_optimiser v0.1.2-alpha.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 1.48s
[INFO] running `Command { std: "docker" "inspect" "a9a65a7c572c5bfe2c8c8ce25c3689136c03470b79f93cef30139e511774e7a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9a65a7c572c5bfe2c8c8ce25c3689136c03470b79f93cef30139e511774e7a5", kill_on_drop: false }`
[INFO] [stdout] a9a65a7c572c5bfe2c8c8ce25c3689136c03470b79f93cef30139e511774e7a5
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] f03e17ddee8a20b91197f2717398c7ca8c360c74f3839712a9a4013b9404eeac
[INFO] running `Command { std: "docker" "start" "-a" "f03e17ddee8a20b91197f2717398c7ca8c360c74f3839712a9a4013b9404eeac", 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 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/imageserver_optimiser-c33c8453351284c8
[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" "f03e17ddee8a20b91197f2717398c7ca8c360c74f3839712a9a4013b9404eeac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f03e17ddee8a20b91197f2717398c7ca8c360c74f3839712a9a4013b9404eeac", kill_on_drop: false }`
[INFO] [stdout] f03e17ddee8a20b91197f2717398c7ca8c360c74f3839712a9a4013b9404eeac