[INFO] fetching crate dialectic 0.1.1...
[INFO] testing dialectic-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate dialectic 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate dialectic 0.1.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dialectic 0.1.1
[INFO] finished tweaking crates.io crate dialectic 0.1.1
[INFO] tweaked toml for crates.io crate dialectic 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 268946e7ca4f63442edc74b5c29b44aec5f384857813e5580085cb8176930149
[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" "268946e7ca4f63442edc74b5c29b44aec5f384857813e5580085cb8176930149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "268946e7ca4f63442edc74b5c29b44aec5f384857813e5580085cb8176930149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "268946e7ca4f63442edc74b5c29b44aec5f384857813e5580085cb8176930149", kill_on_drop: false }`
[INFO] [stdout] 268946e7ca4f63442edc74b5c29b44aec5f384857813e5580085cb8176930149
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9bd5e5490f07b5a5a5d4169a1354fd75764aeaa3a996ced1a46103e4d921493
[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" "a9bd5e5490f07b5a5a5d4169a1354fd75764aeaa3a996ced1a46103e4d921493", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytes v0.6.0
[INFO] [stderr]    Compiling call-by v0.1.0
[INFO] [stderr]    Compiling tokio v0.3.6
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
[INFO] [stderr]    Compiling mio v0.7.7
[INFO] [stderr]    Compiling tokio-macros v0.3.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling dialectic v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.19s
[INFO] running `Command { std: "docker" "inspect" "a9bd5e5490f07b5a5a5d4169a1354fd75764aeaa3a996ced1a46103e4d921493", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9bd5e5490f07b5a5a5d4169a1354fd75764aeaa3a996ced1a46103e4d921493", kill_on_drop: false }`
[INFO] [stdout] a9bd5e5490f07b5a5a5d4169a1354fd75764aeaa3a996ced1a46103e4d921493
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb0cb134e4c70a59b6b7a76c727365967b03764a5e6cf5ce1070bc32936153d0
[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" "eb0cb134e4c70a59b6b7a76c727365967b03764a5e6cf5ce1070bc32936153d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling dialectic v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.05s
[INFO] running `Command { std: "docker" "inspect" "eb0cb134e4c70a59b6b7a76c727365967b03764a5e6cf5ce1070bc32936153d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb0cb134e4c70a59b6b7a76c727365967b03764a5e6cf5ce1070bc32936153d0", kill_on_drop: false }`
[INFO] [stdout] eb0cb134e4c70a59b6b7a76c727365967b03764a5e6cf5ce1070bc32936153d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 89cfed78634a06bed692008fe5b2be109be782352ed53fb4dd78e749374f4833
[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" "89cfed78634a06bed692008fe5b2be109be782352ed53fb4dd78e749374f4833", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dialectic-a7861032deb0e041
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dialectic
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 41 tests
[INFO] [stdout] test src/lib.rs - (line 302) ... ok
[INFO] [stdout] test src/lib.rs - (line 269) ... ok
[INFO] [stdout] test src/lib.rs - (line 244) ... ok
[INFO] [stdout] test src/lib.rs - (line 215) ... ok
[INFO] [stdout] test src/lib.rs - (line 51) ... ok
[INFO] [stdout] test src/lib.rs - (line 379) ... ok
[INFO] [stdout] test src/lib.rs - (line 488) ... ok
[INFO] [stdout] test src/lib.rs - (line 224) ... ok
[INFO] [stdout] test src/lib.rs - (line 387) ... ok
[INFO] [stdout] test src/lib.rs - (line 495) ... ok
[INFO] [stdout] test src/lib.rs - (line 65) ... ok
[INFO] [stdout] test src/lib.rs - (line 74) ... ok
[INFO] [stdout] test src/lib.rs - (line 88) ... ok
[INFO] [stdout] test src/lib.rs - Chan<Tx, Rx, P, E>::choose (line 1054) ... ok
[INFO] [stdout] test src/lib.rs - Chan<Tx, Rx, P, E>::close (line 882) ... ok
[INFO] [stdout] test src/lib.rs - (line 109) ... ok
[INFO] [stdout] test src/lib.rs - Chan<Tx, Rx, P, E>::recv (line 923) ... FAILED
[INFO] [stdout] test src/lib.rs - Chan<Tx, Rx, P, E>::send (line 968) ... FAILED
[INFO] [stdout] test src/lib.rs - Chan<Tx, Rx, P, E>::split (line 1455) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 320) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 509) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 159) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 123) ... FAILED
[INFO] [stdout] test src/lib.rs - NewSession (line 672) ... FAILED
[INFO] [stdout] test src/lib.rs - NewSession (line 694) ... ok
[INFO] [stdout] test src/lib.rs - Chan<Tx, Rx, P, E>::unsplit (line 1604) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 99) ... ok
[INFO] [stdout] test src/lib.rs - NewSession::bichannel (line 766) ... FAILED
[INFO] [stdout] test src/lib.rs - NewSession::wrap (line 799) ... FAILED
[INFO] [stdout] test src/lib.rs - NewSession::channel (line 742) ... FAILED
[INFO] [stdout] test src/lib.rs - Chan<Tx, Rx, P, E>::choose (line 1024) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 401) ... FAILED
[INFO] [stdout] test src/lib.rs - offer (line 1342) ... FAILED
[INFO] [stdout] test src/lib.rs - offer (line 1303) ... FAILED
[INFO] [stdout] test src/lib.rs - Chan (line 627) ... ok
[INFO] [stdout] test src/lib.rs - Chan (line 646) ... ok
[INFO] [stdout] test src/lib.rs - Chan<Tx, Rx, P, E>::unwrap (line 1676) ... ok
[INFO] [stdout] test src/lib.rs - Chan<Tx, Rx, P, E>::close (line 867) ... ok
[INFO] [stdout] test src/lib.rs - Chan<Tx, Rx, P, E>::offer (line 1213) ... ok
[INFO] [stdout] test src/lib.rs - Chan<Tx, Rx, P, E>::offer (line 1247) ... ok
[INFO] [stdout] test src/lib.rs - Chan<Tx, Rx, P, E>::unsplit (line 1581) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Chan<Tx, Rx, P, E>::recv (line 923) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Chan<Tx, Rx, P, E>::send (line 968) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Chan<Tx, Rx, P, E>::split (line 1455) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 320) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 509) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 159) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 123) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - NewSession (line 672) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Chan<Tx, Rx, P, E>::unsplit (line 1604) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - NewSession::bichannel (line 766) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - NewSession::wrap (line 799) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - NewSession::channel (line 742) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Chan<Tx, Rx, P, E>::choose (line 1024) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 401) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - offer (line 1342) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - offer (line 1303) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 123)
[INFO] [stdout]     src/lib.rs - (line 159)
[INFO] [stdout]     src/lib.rs - (line 320)
[INFO] [stdout]     src/lib.rs - (line 401)
[INFO] [stdout]     src/lib.rs - (line 509)
[INFO] [stdout]     src/lib.rs - Chan<Tx, Rx, P, E>::choose (line 1024)
[INFO] [stdout]     src/lib.rs - Chan<Tx, Rx, P, E>::recv (line 923)
[INFO] [stdout]     src/lib.rs - Chan<Tx, Rx, P, E>::send (line 968)
[INFO] [stdout]     src/lib.rs - Chan<Tx, Rx, P, E>::split (line 1455)
[INFO] [stdout]     src/lib.rs - Chan<Tx, Rx, P, E>::unsplit (line 1604)
[INFO] [stdout]     src/lib.rs - NewSession (line 672)
[INFO] [stdout]     src/lib.rs - NewSession::bichannel (line 766)
[INFO] [stdout]     src/lib.rs - NewSession::channel (line 742)
[INFO] [stdout]     src/lib.rs - NewSession::wrap (line 799)
[INFO] [stdout]     src/lib.rs - offer (line 1303)
[INFO] [stdout]     src/lib.rs - offer (line 1342)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 25 passed; 16 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "89cfed78634a06bed692008fe5b2be109be782352ed53fb4dd78e749374f4833", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89cfed78634a06bed692008fe5b2be109be782352ed53fb4dd78e749374f4833", kill_on_drop: false }`
[INFO] [stdout] 89cfed78634a06bed692008fe5b2be109be782352ed53fb4dd78e749374f4833