[INFO] fetching crate serde_prometheus_labels 0.2.0...
[INFO] testing serde_prometheus_labels-0.2.0 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate serde_prometheus_labels 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate serde_prometheus_labels 0.2.0
[INFO] finished tweaking crates.io crate serde_prometheus_labels 0.2.0
[INFO] tweaked toml for crates.io crate serde_prometheus_labels 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde_prometheus_labels 0.2.0 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 23 packages to latest compatible versions
[INFO] [stderr]       Adding prometheus-client v0.18.1 (available: v0.24.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prometheus-client v0.18.1
[INFO] [stderr]   Downloaded prometheus-client-derive-text-encode v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5dfa66ea375124feb0c6e6fc016d3084a3340f807fbcf1479cd3ea987791cbcf
[INFO] running `Command { std: "docker" "start" "-a" "5dfa66ea375124feb0c6e6fc016d3084a3340f807fbcf1479cd3ea987791cbcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5dfa66ea375124feb0c6e6fc016d3084a3340f807fbcf1479cd3ea987791cbcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dfa66ea375124feb0c6e6fc016d3084a3340f807fbcf1479cd3ea987791cbcf", kill_on_drop: false }`
[INFO] [stdout] 5dfa66ea375124feb0c6e6fc016d3084a3340f807fbcf1479cd3ea987791cbcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77aee1ca519be8c0a65f48364b85bf95fcf0a4268197ef0ecbabc2ed6553f69b
[INFO] running `Command { std: "docker" "start" "-a" "77aee1ca519be8c0a65f48364b85bf95fcf0a4268197ef0ecbabc2ed6553f69b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling serde_prometheus_labels v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "77aee1ca519be8c0a65f48364b85bf95fcf0a4268197ef0ecbabc2ed6553f69b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77aee1ca519be8c0a65f48364b85bf95fcf0a4268197ef0ecbabc2ed6553f69b", kill_on_drop: false }`
[INFO] [stdout] 77aee1ca519be8c0a65f48364b85bf95fcf0a4268197ef0ecbabc2ed6553f69b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 962f8f8908d94cfa9a50483d18a4f2610859238bc8ae682ea82b84e166b4abdf
[INFO] running `Command { std: "docker" "start" "-a" "962f8f8908d94cfa9a50483d18a4f2610859238bc8ae682ea82b84e166b4abdf", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde_prometheus_labels v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.07s
[INFO] running `Command { std: "docker" "inspect" "962f8f8908d94cfa9a50483d18a4f2610859238bc8ae682ea82b84e166b4abdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "962f8f8908d94cfa9a50483d18a4f2610859238bc8ae682ea82b84e166b4abdf", kill_on_drop: false }`
[INFO] [stdout] 962f8f8908d94cfa9a50483d18a4f2610859238bc8ae682ea82b84e166b4abdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6e6ecc6c7a05df33c0f0deb0a3bf94f67551f38ec6325fdbb44bd0b72dffcb90
[INFO] running `Command { std: "docker" "start" "-a" "6e6ecc6c7a05df33c0f0deb0a3bf94f67551f38ec6325fdbb44bd0b72dffcb90", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-e862081fd8e18c3e)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test escapes ... ok
[INFO] [stdout] test invalid_key ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    Doc-tests serde_prometheus_labels
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - to_vec (line 89) ... ok
[INFO] [stdout] test src/lib.rs - to_string (line 52) ... ok
[INFO] [stdout] test src/lib.rs - to_string (line 24) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.54s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6e6ecc6c7a05df33c0f0deb0a3bf94f67551f38ec6325fdbb44bd0b72dffcb90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e6ecc6c7a05df33c0f0deb0a3bf94f67551f38ec6325fdbb44bd0b72dffcb90", kill_on_drop: false }`
[INFO] [stdout] 6e6ecc6c7a05df33c0f0deb0a3bf94f67551f38ec6325fdbb44bd0b72dffcb90
