[INFO] fetching crate signifix 0.10.1...
[INFO] testing signifix-0.10.1 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate signifix 0.10.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate signifix 0.10.1 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", 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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", 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] a2ca23329ac6eca7cb8ae9c214fecb12007647d1f857b3a1b49b3e735b98edfa
[INFO] running `Command { std: "docker" "start" "-a" "a2ca23329ac6eca7cb8ae9c214fecb12007647d1f857b3a1b49b3e735b98edfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2ca23329ac6eca7cb8ae9c214fecb12007647d1f857b3a1b49b3e735b98edfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2ca23329ac6eca7cb8ae9c214fecb12007647d1f857b3a1b49b3e735b98edfa", kill_on_drop: false }`
[INFO] [stdout] a2ca23329ac6eca7cb8ae9c214fecb12007647d1f857b3a1b49b3e735b98edfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", 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] 3b14ba4431bd9ad2057bd5266abd59f0da681d1c2d695f9eb110d8be37507862
[INFO] running `Command { std: "docker" "start" "-a" "3b14ba4431bd9ad2057bd5266abd59f0da681d1c2d695f9eb110d8be37507862", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling signifix v0.10.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.87s
[INFO] running `Command { std: "docker" "inspect" "3b14ba4431bd9ad2057bd5266abd59f0da681d1c2d695f9eb110d8be37507862", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b14ba4431bd9ad2057bd5266abd59f0da681d1c2d695f9eb110d8be37507862", kill_on_drop: false }`
[INFO] [stdout] 3b14ba4431bd9ad2057bd5266abd59f0da681d1c2d695f9eb110d8be37507862
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 959e358685f0d0bb34ab448779dfaa602509c0f8ba0a1d715f9541769ba254fd
[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" "959e358685f0d0bb34ab448779dfaa602509c0f8ba0a1d715f9541769ba254fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling signifix v0.10.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "959e358685f0d0bb34ab448779dfaa602509c0f8ba0a1d715f9541769ba254fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "959e358685f0d0bb34ab448779dfaa602509c0f8ba0a1d715f9541769ba254fd", kill_on_drop: false }`
[INFO] [stdout] 959e358685f0d0bb34ab448779dfaa602509c0f8ba0a1d715f9541769ba254fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] 1963cb80eaa2a95fd3d6d75cb0cc83cb441cf65f1e52b84bbd859db08f53f6b6
[INFO] running `Command { std: "docker" "start" "-a" "1963cb80eaa2a95fd3d6d75cb0cc83cb441cf65f1e52b84bbd859db08f53f6b6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/signifix-9ff5da36d2c506ca
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test binary::tests::factors_to_symbols ... ok
[INFO] [stdout] test binary::tests::formatting_options ... ok
[INFO] [stdout] test metric::tests::ord_implementation ... ok
[INFO] [stdout] test metric::tests::upper_prefix_bound ... ok
[INFO] [stdout] test metric::tests::mem_size_of_struct ... ok
[INFO] [stdout] test metric::tests::upper_prefix_round ... ok
[INFO] [stdout] test binary::tests::fp_category_safety ... ok
[INFO] [stdout] test binary::tests::lower_prefix_bound ... ok
[INFO] [stdout] test metric::tests::lower_prefix_bound ... ok
[INFO] [stdout] test metric::tests::fp_category_safety ... ok
[INFO] [stdout] test binary::tests::upper_prefix_round ... ok
[INFO] [stdout] test metric::tests::factors_to_symbols ... ok
[INFO] [stdout] test metric::tests::fixed_significance ... ok
[INFO] [stdout] test binary::tests::ord_implementation ... ok
[INFO] [stdout] test binary::tests::upper_prefix_bound ... ok
[INFO] [stdout] test binary::tests::fixed_significance ... ok
[INFO] [stdout] test metric::tests::formatting_options ... ok
[INFO] [stdout] test binary::tests::mem_size_of_struct ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests signifix
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - (line 150) ... ok
[INFO] [stdout] test src/lib.rs - (line 224) ... ok
[INFO] [stdout] test src/lib.rs - (line 285) ... ok
[INFO] [stdout] test src/lib.rs - (line 200) ... ok
[INFO] [stdout] test src/lib.rs - (line 329) ... ok
[INFO] [stdout] test src/lib.rs - (line 245) ... 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 `Command { std: "docker" "inspect" "1963cb80eaa2a95fd3d6d75cb0cc83cb441cf65f1e52b84bbd859db08f53f6b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1963cb80eaa2a95fd3d6d75cb0cc83cb441cf65f1e52b84bbd859db08f53f6b6", kill_on_drop: false }`
[INFO] [stdout] 1963cb80eaa2a95fd3d6d75cb0cc83cb441cf65f1e52b84bbd859db08f53f6b6