[INFO] fetching crate vec2checkd 0.2.2...
[INFO] building vec2checkd-0.2.2 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate vec2checkd 0.2.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate vec2checkd 0.2.2
[INFO] finished tweaking crates.io crate vec2checkd 0.2.2
[INFO] tweaked toml for crates.io crate vec2checkd 0.2.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vec2checkd 0.2.2 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate vec2checkd 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustls-pemfile v0.2.1
[INFO] [stderr]   Downloaded webpki v0.22.0
[INFO] [stderr]   Downloaded sct v0.7.0
[INFO] [stderr]   Downloaded prometheus-http-query v0.4.0
[INFO] [stderr]   Downloaded gumdrop_derive v0.8.0
[INFO] [stderr]   Downloaded md-5 v0.10.1
[INFO] [stderr]   Downloaded time-macros v0.2.3
[INFO] [stderr]   Downloaded gumdrop v0.8.0
[INFO] [stderr]   Downloaded nagios-range v0.2.5
[INFO] [stderr]   Downloaded reqwest v0.11.9
[INFO] [stderr]   Downloaded rustls v0.20.4
[INFO] [stderr]   Downloaded time v0.3.7
[INFO] [stderr]   Downloaded handlebars v4.2.1
[INFO] [stderr]   Downloaded tokio-rustls v0.23.2
[INFO] [stderr]   Downloaded hyper-rustls v0.23.0
[INFO] [stderr]   Downloaded webpki-roots v0.22.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd8ff178b2f595051e4eed861d4ed419ec4c1180c6fcb0cda6206f812b8bd31c
[INFO] running `Command { std: "docker" "start" "-a" "fd8ff178b2f595051e4eed861d4ed419ec4c1180c6fcb0cda6206f812b8bd31c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd8ff178b2f595051e4eed861d4ed419ec4c1180c6fcb0cda6206f812b8bd31c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd8ff178b2f595051e4eed861d4ed419ec4c1180c6fcb0cda6206f812b8bd31c", kill_on_drop: false }`
[INFO] [stdout] fd8ff178b2f595051e4eed861d4ed419ec4c1180c6fcb0cda6206f812b8bd31c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70e2153481208be5ea750739ae1debe6182b84afbb6f8aa985a0232f737f65f1
[INFO] running `Command { std: "docker" "start" "-a" "70e2153481208be5ea750739ae1debe6182b84afbb6f8aa985a0232f737f65f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling tracing v0.1.31
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling rustls v0.20.4
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling rustls-pemfile v0.2.1
[INFO] [stderr]    Compiling num_threads v0.1.3
[INFO] [stderr]    Compiling time-macros v0.2.3
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling nagios-range v0.2.5
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling crypto-common v0.1.3
[INFO] [stderr]    Compiling block-buffer v0.10.2
[INFO] [stderr]    Compiling digest v0.10.3
[INFO] [stderr]    Compiling time v0.3.7
[INFO] [stderr]    Compiling md-5 v0.10.1
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling webpki v0.22.0
[INFO] [stderr]    Compiling sct v0.7.0
[INFO] [stderr]    Compiling webpki-roots v0.22.2
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling gumdrop_derive v0.8.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling gumdrop v0.8.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling tokio-util v0.6.9
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling tokio-rustls v0.23.2
[INFO] [stderr]    Compiling h2 v0.3.11
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling handlebars v4.2.1
[INFO] [stderr]    Compiling hyper v0.14.17
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling hyper-rustls v0.23.0
[INFO] [stderr]    Compiling reqwest v0.11.9
[INFO] [stderr]    Compiling prometheus-http-query v0.4.0
[INFO] [stderr]    Compiling vec2checkd v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `InvalidPluginOutputError` is never constructed
[INFO] [stdout]   --> src/error.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub(crate) struct InvalidPluginOutputError<'a> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MissingLabelError` is never constructed
[INFO] [stdout]   --> src/error.rs:58:19
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub(crate) struct MissingLabelError {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.83s
[INFO] running `Command { std: "docker" "inspect" "70e2153481208be5ea750739ae1debe6182b84afbb6f8aa985a0232f737f65f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70e2153481208be5ea750739ae1debe6182b84afbb6f8aa985a0232f737f65f1", kill_on_drop: false }`
[INFO] [stdout] 70e2153481208be5ea750739ae1debe6182b84afbb6f8aa985a0232f737f65f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 262cd792dc6d50d0aed7fb224ef9f34910ca4d860070d9a47ecd81ae356e27cd
[INFO] running `Command { std: "docker" "start" "-a" "262cd792dc6d50d0aed7fb224ef9f34910ca4d860070d9a47ecd81ae356e27cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling vec2checkd v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `InvalidPluginOutputError` is never constructed
[INFO] [stdout]   --> src/error.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub(crate) struct InvalidPluginOutputError<'a> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MissingLabelError` is never constructed
[INFO] [stdout]   --> src/error.rs:58:19
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub(crate) struct MissingLabelError {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.37s
[INFO] running `Command { std: "docker" "inspect" "262cd792dc6d50d0aed7fb224ef9f34910ca4d860070d9a47ecd81ae356e27cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "262cd792dc6d50d0aed7fb224ef9f34910ca4d860070d9a47ecd81ae356e27cd", kill_on_drop: false }`
[INFO] [stdout] 262cd792dc6d50d0aed7fb224ef9f34910ca4d860070d9a47ecd81ae356e27cd