[INFO] fetching crate mecha_metrics_ctl 0.1.0...
[INFO] building mecha_metrics_ctl-0.1.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate mecha_metrics_ctl 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate mecha_metrics_ctl 0.1.0
[INFO] finished tweaking crates.io crate mecha_metrics_ctl 0.1.0
[INFO] tweaked toml for crates.io crate mecha_metrics_ctl 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mecha_metrics_ctl 0.1.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 53 packages to latest compatible versions
[INFO] [stderr]       Adding mockall v0.11.4 (available: v0.13.1)
[INFO] [stderr]       Adding sysinfo v0.29.11 (available: v0.37.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e404d197c2403e2f8b0d8745400a01204baca528a59a45ad2bef7237864cc04
[INFO] running `Command { std: "docker" "start" "-a" "8e404d197c2403e2f8b0d8745400a01204baca528a59a45ad2bef7237864cc04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e404d197c2403e2f8b0d8745400a01204baca528a59a45ad2bef7237864cc04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e404d197c2403e2f8b0d8745400a01204baca528a59a45ad2bef7237864cc04", kill_on_drop: false }`
[INFO] [stdout] 8e404d197c2403e2f8b0d8745400a01204baca528a59a45ad2bef7237864cc04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13af8b6a51fff0e53f2e685a0a4d095a2226b63b1b627f3349658690b89c3c6b
[INFO] running `Command { std: "docker" "start" "-a" "13af8b6a51fff0e53f2e685a0a4d095a2226b63b1b627f3349658690b89c3c6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling sysinfo v0.29.11
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling mecha_metrics_ctl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/metrics.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             cpu_usage => {
[INFO] [stdout]    |             --------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 28 |             _ => {
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/metrics.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |             memory_usage => {
[INFO] [stdout]    |             ------------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 46 |             _ => {
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.41s
[INFO] running `Command { std: "docker" "inspect" "13af8b6a51fff0e53f2e685a0a4d095a2226b63b1b627f3349658690b89c3c6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13af8b6a51fff0e53f2e685a0a4d095a2226b63b1b627f3349658690b89c3c6b", kill_on_drop: false }`
[INFO] [stdout] 13af8b6a51fff0e53f2e685a0a4d095a2226b63b1b627f3349658690b89c3c6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 124f5b4b2b40fd1a71a6a8fad486d095f0236e32c73a07b2bcbc79427be7e9d5
[INFO] running `Command { std: "docker" "start" "-a" "124f5b4b2b40fd1a71a6a8fad486d095f0236e32c73a07b2bcbc79427be7e9d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling predicates-core v1.0.9
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling termtree v0.5.1
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling downcast v0.11.0
[INFO] [stderr]    Compiling fragile v2.0.1
[INFO] [stderr]    Compiling predicates-tree v1.0.12
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling sysinfo v0.29.11
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling mecha_metrics_ctl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/metrics.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             cpu_usage => {
[INFO] [stdout]    |             --------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 28 |             _ => {
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/metrics.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |             memory_usage => {
[INFO] [stdout]    |             ------------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 46 |             _ => {
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mockall_derive v0.11.4
[INFO] [stderr]    Compiling predicates v2.1.5
[INFO] [stderr]    Compiling mockall v0.11.4
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/metrics.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |             memory_usage => {
[INFO] [stdout]    |             ------------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 46 |             _ => {
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/metrics.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             cpu_usage => {
[INFO] [stdout]    |             --------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 28 |             _ => {
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 19.02s
[INFO] running `Command { std: "docker" "inspect" "124f5b4b2b40fd1a71a6a8fad486d095f0236e32c73a07b2bcbc79427be7e9d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "124f5b4b2b40fd1a71a6a8fad486d095f0236e32c73a07b2bcbc79427be7e9d5", kill_on_drop: false }`
[INFO] [stdout] 124f5b4b2b40fd1a71a6a8fad486d095f0236e32c73a07b2bcbc79427be7e9d5