[INFO] fetching crate signifix 0.10.1...
[INFO] testing signifix-0.10.1 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate signifix 0.10.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate signifix 0.10.1 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate signifix 0.10.1
[INFO] finished tweaking crates.io crate signifix 0.10.1
[INFO] tweaked toml for crates.io crate signifix 0.10.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 868b7d50eebe670a24089fcdfba4ec2cd005414e9dafb7a134191667f020c1d0
[INFO] running `Command { std: "docker" "start" "-a" "868b7d50eebe670a24089fcdfba4ec2cd005414e9dafb7a134191667f020c1d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "868b7d50eebe670a24089fcdfba4ec2cd005414e9dafb7a134191667f020c1d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "868b7d50eebe670a24089fcdfba4ec2cd005414e9dafb7a134191667f020c1d0", kill_on_drop: false }`
[INFO] [stdout] 868b7d50eebe670a24089fcdfba4ec2cd005414e9dafb7a134191667f020c1d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a02fc792c48f3d742e4b8141c6f5d86fa0f23831daa99a7de79883c0df5c32c
[INFO] running `Command { std: "docker" "start" "-a" "8a02fc792c48f3d742e4b8141c6f5d86fa0f23831daa99a7de79883c0df5c32c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling signifix v0.10.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.60s
[INFO] running `Command { std: "docker" "inspect" "8a02fc792c48f3d742e4b8141c6f5d86fa0f23831daa99a7de79883c0df5c32c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a02fc792c48f3d742e4b8141c6f5d86fa0f23831daa99a7de79883c0df5c32c", kill_on_drop: false }`
[INFO] [stdout] 8a02fc792c48f3d742e4b8141c6f5d86fa0f23831daa99a7de79883c0df5c32c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fbc4e02e9b00afd7e49df1c14153b04a95201b06a2ca39ab6f23fd6764b81d5
[INFO] running `Command { std: "docker" "start" "-a" "3fbc4e02e9b00afd7e49df1c14153b04a95201b06a2ca39ab6f23fd6764b81d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling signifix v0.10.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "3fbc4e02e9b00afd7e49df1c14153b04a95201b06a2ca39ab6f23fd6764b81d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fbc4e02e9b00afd7e49df1c14153b04a95201b06a2ca39ab6f23fd6764b81d5", kill_on_drop: false }`
[INFO] [stdout] 3fbc4e02e9b00afd7e49df1c14153b04a95201b06a2ca39ab6f23fd6764b81d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7b4773ecd887724dee73143480ebde175d3bfc39124d415b012a0e84125391b8
[INFO] running `Command { std: "docker" "start" "-a" "7b4773ecd887724dee73143480ebde175d3bfc39124d415b012a0e84125391b8", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 18 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/signifix-ab12463f35005f27)
[INFO] [stdout] test binary::tests::fixed_significance ... ok
[INFO] [stdout] test binary::tests::lower_prefix_bound ... ok
[INFO] [stdout] test binary::tests::upper_prefix_bound ... ok
[INFO] [stdout] test binary::tests::upper_prefix_round ... ok
[INFO] [stdout] test binary::tests::fp_category_safety ... ok
[INFO] [stdout] test metric::tests::factors_to_symbols ... ok
[INFO] [stdout] test metric::tests::fp_category_safety ... ok
[INFO] [stdout] test metric::tests::fixed_significance ... ok
[INFO] [stdout] test metric::tests::formatting_options ... ok
[INFO] [stdout] test metric::tests::upper_prefix_bound ... ok
[INFO] [stdout] test metric::tests::ord_implementation ... ok
[INFO] [stdout] test metric::tests::upper_prefix_round ... ok
[INFO] [stderr]    Doc-tests signifix
[INFO] [stdout] test metric::tests::mem_size_of_struct ... ok
[INFO] [stdout] test metric::tests::lower_prefix_bound ... ok
[INFO] [stdout] test binary::tests::factors_to_symbols ... ok
[INFO] [stdout] test binary::tests::mem_size_of_struct ... ok
[INFO] [stdout] test binary::tests::ord_implementation ... ok
[INFO] [stdout] test binary::tests::formatting_options ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - (line 285) ... ok
[INFO] [stdout] test src/lib.rs - (line 150) ... ok
[INFO] [stdout] test src/lib.rs - (line 200) ... ok
[INFO] [stdout] test src/lib.rs - (line 245) ... ok
[INFO] [stdout] test src/lib.rs - (line 95) ... ok
[INFO] [stdout] test src/lib.rs - (line 224) ... ok
[INFO] [stdout] test src/lib.rs - (line 329) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.89s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7b4773ecd887724dee73143480ebde175d3bfc39124d415b012a0e84125391b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b4773ecd887724dee73143480ebde175d3bfc39124d415b012a0e84125391b8", kill_on_drop: false }`
[INFO] [stdout] 7b4773ecd887724dee73143480ebde175d3bfc39124d415b012a0e84125391b8