[INFO] fetching crate ic-metrics-encoder 1.1.1...
[INFO] testing ic-metrics-encoder-1.1.1 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate ic-metrics-encoder 1.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate ic-metrics-encoder 1.1.1
[INFO] finished tweaking crates.io crate ic-metrics-encoder 1.1.1
[INFO] tweaked toml for crates.io crate ic-metrics-encoder 1.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ic-metrics-encoder 1.1.1 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ae709ff5a88ded11dde0ab28ff33d741c3ffe4c51c0f776323cdaf23ae604e2
[INFO] running `Command { std: "docker" "start" "-a" "6ae709ff5a88ded11dde0ab28ff33d741c3ffe4c51c0f776323cdaf23ae604e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ae709ff5a88ded11dde0ab28ff33d741c3ffe4c51c0f776323cdaf23ae604e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ae709ff5a88ded11dde0ab28ff33d741c3ffe4c51c0f776323cdaf23ae604e2", kill_on_drop: false }`
[INFO] [stdout] 6ae709ff5a88ded11dde0ab28ff33d741c3ffe4c51c0f776323cdaf23ae604e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53ebc3b549aadb44e3831dd8a24ae9983277b692fea74fa0544b4d30b1ebf44e
[INFO] running `Command { std: "docker" "start" "-a" "53ebc3b549aadb44e3831dd8a24ae9983277b692fea74fa0544b4d30b1ebf44e", kill_on_drop: false }`
[INFO] [stderr]    Compiling ic-metrics-encoder v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "53ebc3b549aadb44e3831dd8a24ae9983277b692fea74fa0544b4d30b1ebf44e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53ebc3b549aadb44e3831dd8a24ae9983277b692fea74fa0544b4d30b1ebf44e", kill_on_drop: false }`
[INFO] [stdout] 53ebc3b549aadb44e3831dd8a24ae9983277b692fea74fa0544b4d30b1ebf44e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b925f720e89cd841456d67fe34711b7a6ad25f2a7aa4397790d19845a8985ef
[INFO] running `Command { std: "docker" "start" "-a" "9b925f720e89cd841456d67fe34711b7a6ad25f2a7aa4397790d19845a8985ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling ic-metrics-encoder v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "9b925f720e89cd841456d67fe34711b7a6ad25f2a7aa4397790d19845a8985ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b925f720e89cd841456d67fe34711b7a6ad25f2a7aa4397790d19845a8985ef", kill_on_drop: false }`
[INFO] [stdout] 9b925f720e89cd841456d67fe34711b7a6ad25f2a7aa4397790d19845a8985ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9f46bb7347779cc31d8e85e293a537ada0016ea011d221aabf52d87da7e66a63
[INFO] running `Command { std: "docker" "start" "-a" "9f46bb7347779cc31d8e85e293a537ada0016ea011d221aabf52d87da7e66a63", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ic_metrics_encoder-33a55aec0ee6d835)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::test_histogram_no_infinity ... ok
[INFO] [stdout] test tests::test_labeled_counter_metrics ... ok
[INFO] [stdout] test tests::test_labeled_gauge_metrics ... ok
[INFO] [stdout] test tests::test_special_values ... ok
[INFO] [stdout] test tests::test_histogram ... ok
[INFO] [stdout] test tests::validate_unicode_name - should panic ... ok
[INFO] [stdout] test tests::validate_empty_name - should panic ... ok
[INFO] [stdout] test tests::validate_rule_name - should panic ... ok
[INFO] [stdout] test tests::test_histogram_vec ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ic_metrics_encoder
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9f46bb7347779cc31d8e85e293a537ada0016ea011d221aabf52d87da7e66a63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f46bb7347779cc31d8e85e293a537ada0016ea011d221aabf52d87da7e66a63", kill_on_drop: false }`
[INFO] [stdout] 9f46bb7347779cc31d8e85e293a537ada0016ea011d221aabf52d87da7e66a63