[INFO] crate herald 0.1.0 is already in cache
[INFO] testing herald-0.1.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate herald 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate herald 0.1.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate herald 0.1.0
[INFO] finished tweaking crates.io crate herald 0.1.0
[INFO] tweaked toml for crates.io crate herald 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 149f0c5444d56d8bfa8fce81e81df20af18e95da0486d02e94f3195c2c083350
[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" "149f0c5444d56d8bfa8fce81e81df20af18e95da0486d02e94f3195c2c083350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "149f0c5444d56d8bfa8fce81e81df20af18e95da0486d02e94f3195c2c083350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "149f0c5444d56d8bfa8fce81e81df20af18e95da0486d02e94f3195c2c083350", kill_on_drop: false }`
[INFO] [stdout] 149f0c5444d56d8bfa8fce81e81df20af18e95da0486d02e94f3195c2c083350
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa6da277aab3048a5a36b4d2542920ef32302f806b01c05aa4a44f13bec637bb
[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" "fa6da277aab3048a5a36b4d2542920ef32302f806b01c05aa4a44f13bec637bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling futures-executor-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling futures-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling futures-timer v0.3.0
[INFO] [stderr]    Compiling rxrust v0.8.3
[INFO] [stderr]    Compiling herald_derive v0.1.0
[INFO] [stderr]    Compiling herald v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.86s
[INFO] running `Command { std: "docker" "inspect" "fa6da277aab3048a5a36b4d2542920ef32302f806b01c05aa4a44f13bec637bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa6da277aab3048a5a36b4d2542920ef32302f806b01c05aa4a44f13bec637bb", kill_on_drop: false }`
[INFO] [stdout] fa6da277aab3048a5a36b4d2542920ef32302f806b01c05aa4a44f13bec637bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb5b5fb53f763c60a17d679686ede9c95d88d3a78c2ec0b33627d8f55529e683
[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" "eb5b5fb53f763c60a17d679686ede9c95d88d3a78c2ec0b33627d8f55529e683", kill_on_drop: false }`
[INFO] [stderr]    Compiling herald v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.07s
[INFO] running `Command { std: "docker" "inspect" "eb5b5fb53f763c60a17d679686ede9c95d88d3a78c2ec0b33627d8f55529e683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb5b5fb53f763c60a17d679686ede9c95d88d3a78c2ec0b33627d8f55529e683", kill_on_drop: false }`
[INFO] [stdout] eb5b5fb53f763c60a17d679686ede9c95d88d3a78c2ec0b33627d8f55529e683
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 827c51f5959d4a59e661fe53418ae77d565794f44861d8a60a6aef44ef681f0a
[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" "827c51f5959d4a59e661fe53418ae77d565794f44861d8a60a6aef44ef681f0a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/herald-b55de538638981ab
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test herald::tests::change_stream ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests herald
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/herald.rs - herald (line 77) ... ignored
[INFO] [stdout] test src/herald.rs - herald (line 64) ... ok
[INFO] [stdout] test src/herald.rs - herald (line 51) ... ok
[INFO] [stdout] test src/herald.rs - herald (line 94) ... ok
[INFO] [stdout] test src/herald.rs - herald (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "827c51f5959d4a59e661fe53418ae77d565794f44861d8a60a6aef44ef681f0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "827c51f5959d4a59e661fe53418ae77d565794f44861d8a60a6aef44ef681f0a", kill_on_drop: false }`
[INFO] [stdout] 827c51f5959d4a59e661fe53418ae77d565794f44861d8a60a6aef44ef681f0a