[INFO] fetching crate pharos 0.4.2...
[INFO] testing pharos-0.4.2 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate pharos 0.4.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pharos 0.4.2 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 pharos 0.4.2
[INFO] finished tweaking crates.io crate pharos 0.4.2
[INFO] tweaked toml for crates.io crate pharos 0.4.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate pharos 0.4.2 already has a lockfile, it will not be regenerated
[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 assert_matches v1.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] effa36ae977676726938efefe22e9922df5483a781b30c8bfa4f3a8b9d5c79e2
[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" "effa36ae977676726938efefe22e9922df5483a781b30c8bfa4f3a8b9d5c79e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "effa36ae977676726938efefe22e9922df5483a781b30c8bfa4f3a8b9d5c79e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "effa36ae977676726938efefe22e9922df5483a781b30c8bfa4f3a8b9d5c79e2", kill_on_drop: false }`
[INFO] [stdout] effa36ae977676726938efefe22e9922df5483a781b30c8bfa4f3a8b9d5c79e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] e81bfdc288d41c6a92148d4b5cf7661f115805a54aa0719d23b00866df755f40
[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" "e81bfdc288d41c6a92148d4b5cf7661f115805a54aa0719d23b00866df755f40", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling futures-sink v0.3.1
[INFO] [stderr]    Compiling futures-core v0.3.1
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling futures-io v0.3.1
[INFO] [stderr]    Compiling futures-task v0.3.1
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling futures-channel v0.3.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]    Compiling futures-util v0.3.1
[INFO] [stderr]    Compiling futures-executor v0.3.1
[INFO] [stderr]    Compiling futures v0.3.1
[INFO] [stderr]    Compiling pharos v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.34s
[INFO] running `Command { std: "docker" "inspect" "e81bfdc288d41c6a92148d4b5cf7661f115805a54aa0719d23b00866df755f40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e81bfdc288d41c6a92148d4b5cf7661f115805a54aa0719d23b00866df755f40", kill_on_drop: false }`
[INFO] [stdout] e81bfdc288d41c6a92148d4b5cf7661f115805a54aa0719d23b00866df755f40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 870db6b2fc5429bb3c875107536d924959dd84f2829e8111d672f2c207695bd3
[INFO] running `Command { std: "docker" "start" "-a" "870db6b2fc5429bb3c875107536d924959dd84f2829e8111d672f2c207695bd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling assert_matches v1.3.0
[INFO] [stderr]    Compiling pharos v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.89s
[INFO] running `Command { std: "docker" "inspect" "870db6b2fc5429bb3c875107536d924959dd84f2829e8111d672f2c207695bd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "870db6b2fc5429bb3c875107536d924959dd84f2829e8111d672f2c207695bd3", kill_on_drop: false }`
[INFO] [stdout] 870db6b2fc5429bb3c875107536d924959dd84f2829e8111d672f2c207695bd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] ec14c6d917119bf04b3fe97c179834189347c15f9a71347329f6f81d96d1dbae
[INFO] running `Command { std: "docker" "start" "-a" "ec14c6d917119bf04b3fe97c179834189347c15f9a71347329f6f81d96d1dbae", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 13 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pharos-07066eff4db2bd71
[INFO] [stdout] test events::tests::debug ... ok
[INFO] [stdout] test pharos::tests::observe_refuse_zero ... ok
[INFO] [stdout] test pharos::tests::observe_after_close ... ok
[INFO] [stdout] test pharos::tests::new ... ok
[INFO] [stdout] test pharos::tests::debug ... ok
[INFO] [stdout] test pharos::tests::poll_ready_closed ... ok
[INFO] [stdout] test filter::tests::debug ... ok
[INFO] [stdout] test pharos::tests::poll_flush_drop ... ok
[INFO] [stdout] test pharos::tests::poll_ready_drop ... ok
[INFO] [stdout] test pharos::tests::poll_ready_pending ... ok
[INFO] [stdout] test pharos::tests::reuse ... ok
[INFO] [stdout] test pharos::tests::start_send_arrive ... ok
[INFO] [stdout] test pharos::tests::storage_len ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bounded-7cc528cbe264bcbf
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test filter ... ok
[INFO] [stdout] test basic ... ok
[INFO] [stdout] test close_receiver ... ok
[INFO] [stdout] test filter_false ... ok
[INFO] [stdout] test filter_true ... ok
[INFO] [stdout] test threads ... ok
[INFO] [stdout] test types ... ok
[INFO] [stdout] test filter_move ... ok
[INFO] [stdout] test one_receiver_drops ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/combined-b7ec2d55c8537e15
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test both ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/unbounded-a10bc965cc71131c
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test alot_of_events ... ok
[INFO] [stdout] test close_receiver ... ok
[INFO] [stdout] test filter_false ... ok
[INFO] [stdout] test basic ... ok
[INFO] [stdout] test filter_move ... ok
[INFO] [stdout] test filter_true ... ok
[INFO] [stdout] test types ... ok
[INFO] [stdout] test one_receiver_drops ... ok
[INFO] [stdout] test filter ... ok
[INFO] [stdout] test threads ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pharos
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/filter.rs - filter::Filter (line 11) ... ok
[INFO] [stdout] test src/observable.rs - observable::Observable (line 8) ... ok
[INFO] [stdout] test src/observable.rs - observable::ObserveConfig (line 139) ... 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" "ec14c6d917119bf04b3fe97c179834189347c15f9a71347329f6f81d96d1dbae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec14c6d917119bf04b3fe97c179834189347c15f9a71347329f6f81d96d1dbae", kill_on_drop: false }`
[INFO] [stdout] ec14c6d917119bf04b3fe97c179834189347c15f9a71347329f6f81d96d1dbae