[INFO] crate nuance 0.0.0 is already in cache
[INFO] testing nuance-0.0.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate nuance 0.0.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate nuance 0.0.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate nuance 0.0.0
[INFO] finished tweaking crates.io crate nuance 0.0.0
[INFO] tweaked toml for crates.io crate nuance 0.0.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] ef43454cea45bfb021e4af2a22e66aa347589e2960b97b7907db97eb59302ca9
[INFO] running `"docker" "start" "-a" "ef43454cea45bfb021e4af2a22e66aa347589e2960b97b7907db97eb59302ca9"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling arc-swap v0.4.5
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling zeroize v1.1.0
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling canonical-path v2.0.2
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling generational-arena v0.2.7
[INFO] [stderr]    Compiling tracing-core v0.1.10
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling tracing-log v0.1.1
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling signal-hook v0.1.13
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling color-backtrace v0.3.0
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling gumdrop_derive v0.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.7
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling tracing v0.1.13
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling gumdrop v0.7.0
[INFO] [stderr]    Compiling abscissa_derive v0.5.0
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling hashbrown v0.5.0
[INFO] [stderr]    Compiling secrecy v0.6.0
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling tracing-subscriber v0.1.6
[INFO] [stderr]    Compiling handlebars v2.0.4
[INFO] [stderr]    Compiling abscissa_core v0.5.2
[INFO] [stderr]    Compiling abscissa v0.5.1
[INFO] [stderr]    Compiling nuance v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 06s
[INFO] running `"docker" "inspect" "ef43454cea45bfb021e4af2a22e66aa347589e2960b97b7907db97eb59302ca9"`
[INFO] running `"docker" "rm" "-f" "ef43454cea45bfb021e4af2a22e66aa347589e2960b97b7907db97eb59302ca9"`
[INFO] [stdout] ef43454cea45bfb021e4af2a22e66aa347589e2960b97b7907db97eb59302ca9
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 19048ba4f1e86add71afaa170c90019ed64b9a072f285a8ce8d0a164874b838d
[INFO] running `"docker" "start" "-a" "19048ba4f1e86add71afaa170c90019ed64b9a072f285a8ce8d0a164874b838d"`
[INFO] [stderr]    Compiling nuance v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `"docker" "inspect" "19048ba4f1e86add71afaa170c90019ed64b9a072f285a8ce8d0a164874b838d"`
[INFO] running `"docker" "rm" "-f" "19048ba4f1e86add71afaa170c90019ed64b9a072f285a8ce8d0a164874b838d"`
[INFO] [stdout] 19048ba4f1e86add71afaa170c90019ed64b9a072f285a8ce8d0a164874b838d
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7bc3ade48a1e06d400ee87061261d1bda89f8729b276c047ebac18018a93a53d
[INFO] running `"docker" "start" "-a" "7bc3ade48a1e06d400ee87061261d1bda89f8729b276c047ebac18018a93a53d"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nuance-0de08a0fbfe0178e
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7bc3ade48a1e06d400ee87061261d1bda89f8729b276c047ebac18018a93a53d"`
[INFO] running `"docker" "rm" "-f" "7bc3ade48a1e06d400ee87061261d1bda89f8729b276c047ebac18018a93a53d"`
[INFO] [stdout] 7bc3ade48a1e06d400ee87061261d1bda89f8729b276c047ebac18018a93a53d