[INFO] fetching crate symbolic 7.5.0...
[INFO] testing symbolic-7.5.0 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate symbolic 7.5.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate symbolic 7.5.0 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate symbolic 7.5.0
[INFO] removed 5 missing examples
[INFO] finished tweaking crates.io crate symbolic 7.5.0
[INFO] tweaked toml for crates.io crate symbolic 7.5.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate symbolic 7.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f97c04594264e577eff1419d219e932e8ee6f647c62523394741535ab42da6d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6f97c04594264e577eff1419d219e932e8ee6f647c62523394741535ab42da6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f97c04594264e577eff1419d219e932e8ee6f647c62523394741535ab42da6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f97c04594264e577eff1419d219e932e8ee6f647c62523394741535ab42da6d", kill_on_drop: false }`
[INFO] [stdout] 6f97c04594264e577eff1419d219e932e8ee6f647c62523394741535ab42da6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 516ff6ce2cb1264689e9c6d65968fae58aabc921545c516be1341a18a82353e9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "516ff6ce2cb1264689e9c6d65968fae58aabc921545c516be1341a18a82353e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling smallvec v1.4.2
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling podio v0.1.7
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling dmsort v1.0.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling debugid v0.7.2
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling gimli v0.21.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling flate2 v1.0.17
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling zip v0.5.6
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling addr2line v0.13.0
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling scroll_derive v0.10.2
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling scroll v0.10.1
[INFO] [stderr]    Compiling symbolic-common v7.5.0
[INFO] [stderr]    Compiling pdb v0.6.0
[INFO] [stderr]    Compiling goblin v0.2.3
[INFO] [stderr]    Compiling symbolic-debuginfo v7.5.0
[INFO] [stderr]    Compiling symbolic v7.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 29s
[INFO] running `Command { std: "docker" "inspect" "516ff6ce2cb1264689e9c6d65968fae58aabc921545c516be1341a18a82353e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "516ff6ce2cb1264689e9c6d65968fae58aabc921545c516be1341a18a82353e9", kill_on_drop: false }`
[INFO] [stdout] 516ff6ce2cb1264689e9c6d65968fae58aabc921545c516be1341a18a82353e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40aa3fabfd3d51563ac6f77f3f021e082960cd4ca4c8bc5dcc6ed3d5c90ba6b8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "40aa3fabfd3d51563ac6f77f3f021e082960cd4ca4c8bc5dcc6ed3d5c90ba6b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling symbolic v7.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.00s
[INFO] running `Command { std: "docker" "inspect" "40aa3fabfd3d51563ac6f77f3f021e082960cd4ca4c8bc5dcc6ed3d5c90ba6b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40aa3fabfd3d51563ac6f77f3f021e082960cd4ca4c8bc5dcc6ed3d5c90ba6b8", kill_on_drop: false }`
[INFO] [stdout] 40aa3fabfd3d51563ac6f77f3f021e082960cd4ca4c8bc5dcc6ed3d5c90ba6b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a85d10b466a918b620aeda145c15cc45db796ccafa74c8366fbf19cb58cf4a1b
[INFO] running `Command { std: "docker" "start" "-a" "a85d10b466a918b620aeda145c15cc45db796ccafa74c8366fbf19cb58cf4a1b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/symbolic-1b7f0e2c44f836a7
[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] [stderr]    Doc-tests symbolic
[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 `Command { std: "docker" "inspect" "a85d10b466a918b620aeda145c15cc45db796ccafa74c8366fbf19cb58cf4a1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a85d10b466a918b620aeda145c15cc45db796ccafa74c8366fbf19cb58cf4a1b", kill_on_drop: false }`
[INFO] [stdout] a85d10b466a918b620aeda145c15cc45db796ccafa74c8366fbf19cb58cf4a1b