[INFO] fetching crate mula 0.1.1...
[INFO] testing mula-0.1.1 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate mula 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate mula 0.1.1 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 mula 0.1.1
[INFO] finished tweaking crates.io crate mula 0.1.1
[INFO] tweaked toml for crates.io crate mula 0.1.1 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mula_proc_macro v0.1.0
[INFO] [stderr]   Downloaded spmc v0.3.0
[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] 763e42ddd1f6518dfd75d673ba142f1c8db550f71b11d63b47d37c3e115c5589
[INFO] running `Command { std: "docker" "start" "-a" "763e42ddd1f6518dfd75d673ba142f1c8db550f71b11d63b47d37c3e115c5589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "763e42ddd1f6518dfd75d673ba142f1c8db550f71b11d63b47d37c3e115c5589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "763e42ddd1f6518dfd75d673ba142f1c8db550f71b11d63b47d37c3e115c5589", kill_on_drop: false }`
[INFO] [stdout] 763e42ddd1f6518dfd75d673ba142f1c8db550f71b11d63b47d37c3e115c5589
[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] [stdout] 3f4b65688fcb918e974f64fb691069462507329432573e66052c1581c8bcf63d
[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" "3f4b65688fcb918e974f64fb691069462507329432573e66052c1581c8bcf63d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.5.0
[INFO] [stderr]    Compiling spmc v0.3.0
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling mula_proc_macro v0.1.0
[INFO] [stderr]    Compiling mula v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.30s
[INFO] running `Command { std: "docker" "inspect" "3f4b65688fcb918e974f64fb691069462507329432573e66052c1581c8bcf63d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f4b65688fcb918e974f64fb691069462507329432573e66052c1581c8bcf63d", kill_on_drop: false }`
[INFO] [stdout] 3f4b65688fcb918e974f64fb691069462507329432573e66052c1581c8bcf63d
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 983b8b87f1ce4f52bfb39c2b14848691e3516a57fe5c69b9b465ee201a2f977b
[INFO] running `Command { std: "docker" "start" "-a" "983b8b87f1ce4f52bfb39c2b14848691e3516a57fe5c69b9b465ee201a2f977b", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling mula v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.79s
[INFO] running `Command { std: "docker" "inspect" "983b8b87f1ce4f52bfb39c2b14848691e3516a57fe5c69b9b465ee201a2f977b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "983b8b87f1ce4f52bfb39c2b14848691e3516a57fe5c69b9b465ee201a2f977b", kill_on_drop: false }`
[INFO] [stdout] 983b8b87f1ce4f52bfb39c2b14848691e3516a57fe5c69b9b465ee201a2f977b
[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] [stdout] 28c5c08aeae6a092d89affc4b56c5db4e770d7086ad7f6e52395ca273f3da69c
[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" "28c5c08aeae6a092d89affc4b56c5db4e770d7086ad7f6e52395ca273f3da69c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mula-7416c6c816aa280b
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/proc_macro_test-8c3693f930ec4792
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_basic ... ok
[INFO] [stderr]    Doc-tests mula
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - Mula<T, O, F>::subscribe_to (line 126) ... ok
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] test src/lib.rs - Mula<T, O, F>::new (line 85) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "28c5c08aeae6a092d89affc4b56c5db4e770d7086ad7f6e52395ca273f3da69c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28c5c08aeae6a092d89affc4b56c5db4e770d7086ad7f6e52395ca273f3da69c", kill_on_drop: false }`
[INFO] [stdout] 28c5c08aeae6a092d89affc4b56c5db4e770d7086ad7f6e52395ca273f3da69c