[INFO] fetching crate cord-client 0.2.1...
[INFO] testing cord-client-0.2.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate cord-client 0.2.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate cord-client 0.2.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cord-client 0.2.1
[INFO] finished tweaking crates.io crate cord-client 0.2.1
[INFO] tweaked toml for crates.io crate cord-client 0.2.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate cord-client 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ff6c4af7d3fdb185273841c20d3735db65088996c6739cadb810a2d81749d79
[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" "2ff6c4af7d3fdb185273841c20d3735db65088996c6739cadb810a2d81749d79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ff6c4af7d3fdb185273841c20d3735db65088996c6739cadb810a2d81749d79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ff6c4af7d3fdb185273841c20d3735db65088996c6739cadb810a2d81749d79", kill_on_drop: false }`
[INFO] [stdout] 2ff6c4af7d3fdb185273841c20d3735db65088996c6739cadb810a2d81749d79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 271d03428e526c5f9d2929b72935694fabf82e74118a720abd956125c3d14625
[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" "271d03428e526c5f9d2929b72935694fabf82e74118a720abd956125c3d14625", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling futures-core v0.3.4
[INFO] [stderr]    Compiling futures-sink v0.3.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling futures-io v0.3.4
[INFO] [stderr]    Compiling futures-task v0.3.4
[INFO] [stderr]    Compiling pin-project-lite v0.1.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling retain_mut v0.1.1
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling tokio v0.2.17
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling futures v0.3.4
[INFO] [stderr]    Compiling cord-message v0.2.0
[INFO] [stderr]    Compiling futures-locks-pre v0.5.1-pre
[INFO] [stderr]    Compiling cord-client v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:309:29
[INFO] [stdout]     |
[INFO] [stdout] 309 |                     senders.retain_mut(|tx| tx.try_send(message.clone()).is_ok());
[INFO] [stdout]     |                             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `retain_mut(...)` to keep using the current method
[INFO] [stdout]     = help: add `#![feature(vec_retain_mut)]` to the crate attributes to enable `Vec::<T, A>::retain_mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "271d03428e526c5f9d2929b72935694fabf82e74118a720abd956125c3d14625", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "271d03428e526c5f9d2929b72935694fabf82e74118a720abd956125c3d14625", kill_on_drop: false }`
[INFO] [stdout] 271d03428e526c5f9d2929b72935694fabf82e74118a720abd956125c3d14625
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4325ac5cb60aeacd715b0dc45fab43341eed3f6216ef5a3e5e9e514cb94c327
[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" "a4325ac5cb60aeacd715b0dc45fab43341eed3f6216ef5a3e5e9e514cb94c327", kill_on_drop: false }`
[INFO] [stderr]    Compiling cord-client v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:309:29
[INFO] [stdout]     |
[INFO] [stdout] 309 |                     senders.retain_mut(|tx| tx.try_send(message.clone()).is_ok());
[INFO] [stdout]     |                             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `retain_mut(...)` to keep using the current method
[INFO] [stdout]     = help: add `#![feature(vec_retain_mut)]` to the crate attributes to enable `Vec::<T, A>::retain_mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:309:29
[INFO] [stdout]     |
[INFO] [stdout] 309 |                     senders.retain_mut(|tx| tx.try_send(message.clone()).is_ok());
[INFO] [stdout]     |                             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `retain_mut(...)` to keep using the current method
[INFO] [stdout]     = help: add `#![feature(vec_retain_mut)]` to the crate attributes to enable `Vec::<T, A>::retain_mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.81s
[INFO] running `Command { std: "docker" "inspect" "a4325ac5cb60aeacd715b0dc45fab43341eed3f6216ef5a3e5e9e514cb94c327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4325ac5cb60aeacd715b0dc45fab43341eed3f6216ef5a3e5e9e514cb94c327", kill_on_drop: false }`
[INFO] [stdout] a4325ac5cb60aeacd715b0dc45fab43341eed3f6216ef5a3e5e9e514cb94c327
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3d10f81996ff887a0eab7279441325d6d88dca26026440a79110df2d6af45f2c
[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" "3d10f81996ff887a0eab7279441325d6d88dca26026440a79110df2d6af45f2c", kill_on_drop: false }`
[INFO] [stderr] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/lib.rs:309:29
[INFO] [stderr]     |
[INFO] [stderr] 309 |                     senders.retain_mut(|tx| tx.try_send(message.clone()).is_ok());
[INFO] [stderr]     |                             ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stderr]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `retain_mut(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(vec_retain_mut)]` to the crate attributes to enable `Vec::<T, A>::retain_mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `cord-client` (lib) generated 1 warning
[INFO] [stderr] warning: `cord-client` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cord_client-3ecc371168bfa971)
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::test_revoke ... ok
[INFO] [stdout] test tests::test_event ... ok
[INFO] [stdout] test tests::test_route_norecv ... ok
[INFO] [stdout] test tests::test_route ... ok
[INFO] [stdout] test tests::test_unsubscribe ... ok
[INFO] [stdout] test tests::test_subscribe ... ok
[INFO] [stdout] test tests::test_provide ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cord_client-aebaec034ab40d31)
[INFO] [stdout] test tests::test_forward ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cord-client
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 11) - compile ... ok
[INFO] [stdout] test src/lib.rs - Subscriber (line 88) ... ok
[INFO] [stdout] test src/lib.rs - ClientConn<S>::subscribe (line 178) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.78s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3d10f81996ff887a0eab7279441325d6d88dca26026440a79110df2d6af45f2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d10f81996ff887a0eab7279441325d6d88dca26026440a79110df2d6af45f2c", kill_on_drop: false }`
[INFO] [stdout] 3d10f81996ff887a0eab7279441325d6d88dca26026440a79110df2d6af45f2c