[INFO] crate signifix 0.10.1 is already in cache
[INFO] testing signifix-0.10.1 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate signifix 0.10.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate signifix 0.10.1 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0e6c8097ec74ad677192fc8d542c3fe0f17e366dc2914896f7372cd47c902613
[INFO] running `"docker" "start" "-a" "0e6c8097ec74ad677192fc8d542c3fe0f17e366dc2914896f7372cd47c902613"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]    Compiling signifix v0.10.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.97s
[INFO] running `"docker" "inspect" "0e6c8097ec74ad677192fc8d542c3fe0f17e366dc2914896f7372cd47c902613"`
[INFO] running `"docker" "rm" "-f" "0e6c8097ec74ad677192fc8d542c3fe0f17e366dc2914896f7372cd47c902613"`
[INFO] [stdout] 0e6c8097ec74ad677192fc8d542c3fe0f17e366dc2914896f7372cd47c902613
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 98f4728eb296ff95f2a7f940f7053a9fadf9c665cfeb7e3bad2b2c59a1ad00a8
[INFO] running `"docker" "start" "-a" "98f4728eb296ff95f2a7f940f7053a9fadf9c665cfeb7e3bad2b2c59a1ad00a8"`
[INFO] [stderr]    Compiling signifix v0.10.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.25s
[INFO] running `"docker" "inspect" "98f4728eb296ff95f2a7f940f7053a9fadf9c665cfeb7e3bad2b2c59a1ad00a8"`
[INFO] running `"docker" "rm" "-f" "98f4728eb296ff95f2a7f940f7053a9fadf9c665cfeb7e3bad2b2c59a1ad00a8"`
[INFO] [stdout] 98f4728eb296ff95f2a7f940f7053a9fadf9c665cfeb7e3bad2b2c59a1ad00a8
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stdout] 546f303195adda48666e12dca6d22ff4887386da18e429d27a60ae4a8cfc0ad3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "546f303195adda48666e12dca6d22ff4887386da18e429d27a60ae4a8cfc0ad3"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/signifix-f3a73e6532ef2784
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test binary::tests::mem_size_of_struct ... ok
[INFO] [stdout] test binary::tests::upper_prefix_round ... ok
[INFO] [stdout] test binary::tests::upper_prefix_bound ... ok
[INFO] [stdout] test metric::tests::ord_implementation ... ok
[INFO] [stdout] test binary::tests::fp_category_safety ... ok
[INFO] [stdout] test metric::tests::formatting_options ... ok
[INFO] [stdout] test metric::tests::upper_prefix_bound ... ok
[INFO] [stdout] test metric::tests::mem_size_of_struct ... ok
[INFO] [stdout] test binary::tests::ord_implementation ... ok
[INFO] [stdout] test metric::tests::fp_category_safety ... ok
[INFO] [stdout] test metric::tests::lower_prefix_bound ... ok
[INFO] [stdout] test binary::tests::lower_prefix_bound ... ok
[INFO] [stdout] test binary::tests::fixed_significance ... ok
[INFO] [stdout] test binary::tests::formatting_options ... ok
[INFO] [stdout] test binary::tests::factors_to_symbols ... ok
[INFO] [stdout] test metric::tests::upper_prefix_round ... ok
[INFO] [stdout] test metric::tests::fixed_significance ... ok
[INFO] [stdout] test metric::tests::factors_to_symbols ... ok
[INFO] [stderr]    Doc-tests signifix
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs -  (line 245) ... ok
[INFO] [stdout] test src/lib.rs -  (line 285) ... ok
[INFO] [stdout] test src/lib.rs -  (line 224) ... ok
[INFO] [stdout] test src/lib.rs -  (line 200) ... ok
[INFO] [stdout] test src/lib.rs -  (line 150) ... ok
[INFO] [stdout] test src/lib.rs -  (line 329) ... ok
[INFO] [stdout] test src/lib.rs -  (line 95) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "546f303195adda48666e12dca6d22ff4887386da18e429d27a60ae4a8cfc0ad3"`
[INFO] running `"docker" "rm" "-f" "546f303195adda48666e12dca6d22ff4887386da18e429d27a60ae4a8cfc0ad3"`
[INFO] [stdout] 546f303195adda48666e12dca6d22ff4887386da18e429d27a60ae4a8cfc0ad3