[INFO] fetching crate wyz 0.2.0...
[INFO] testing wyz-0.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate wyz 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate wyz 0.2.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wyz 0.2.0
[INFO] finished tweaking crates.io crate wyz 0.2.0
[INFO] tweaked toml for crates.io crate wyz 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfc57d087a5f72e9b6986c1c9e494b528878f04f7a5fbfa08606a31852460773
[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" "dfc57d087a5f72e9b6986c1c9e494b528878f04f7a5fbfa08606a31852460773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfc57d087a5f72e9b6986c1c9e494b528878f04f7a5fbfa08606a31852460773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfc57d087a5f72e9b6986c1c9e494b528878f04f7a5fbfa08606a31852460773", kill_on_drop: false }`
[INFO] [stdout] dfc57d087a5f72e9b6986c1c9e494b528878f04f7a5fbfa08606a31852460773
[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=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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4608ffc685431c278588a2fd8bbd2a6fc9f16725ffad85f3b569347085544491
[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" "4608ffc685431c278588a2fd8bbd2a6fc9f16725ffad85f3b569347085544491", kill_on_drop: false }`
[INFO] [stderr]    Compiling wyz v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "4608ffc685431c278588a2fd8bbd2a6fc9f16725ffad85f3b569347085544491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4608ffc685431c278588a2fd8bbd2a6fc9f16725ffad85f3b569347085544491", kill_on_drop: false }`
[INFO] [stdout] 4608ffc685431c278588a2fd8bbd2a6fc9f16725ffad85f3b569347085544491
[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=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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 4b7187706709cd65c31e78b6d978e0a75fc3da622f950fea161985cc885e5951
[INFO] running `Command { std: "docker" "start" "-a" "4b7187706709cd65c31e78b6d978e0a75fc3da622f950fea161985cc885e5951", kill_on_drop: false }`
[INFO] [stderr]    Compiling wyz v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "4b7187706709cd65c31e78b6d978e0a75fc3da622f950fea161985cc885e5951", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b7187706709cd65c31e78b6d978e0a75fc3da622f950fea161985cc885e5951", kill_on_drop: false }`
[INFO] [stdout] 4b7187706709cd65c31e78b6d978e0a75fc3da622f950fea161985cc885e5951
[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=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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] b4fb3265e88a969435b65422f78e690c3c9403f6f8afb9452438709663fde251
[INFO] running `Command { std: "docker" "start" "-a" "b4fb3265e88a969435b65422f78e690c3c9403f6f8afb9452438709663fde251", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wyz-17ae1665f2124468
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tap::tests::tap_result ... ok
[INFO] [stdout] test tap::tests::tap_option ... ok
[INFO] [stdout] test tap::tests::tap_deref ... ok
[INFO] [stderr]    Doc-tests wyz
[INFO] [stdout] test tap::tests::tap ... ok
[INFO] [stdout] test tap::tests::tap_as_ref ... ok
[INFO] [stdout] test tap::tests::tap_borrow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test src/conv.rs - conv::TryConv (line 141) ... ignored
[INFO] [stdout] test src/conv.rs - conv::TryConv (line 159) ... ignored
[INFO] [stdout] test src/conv.rs - conv::Conv (line 41) ... ok
[INFO] [stdout] test src/conv.rs - conv::TryConv (line 173) ... ok
[INFO] [stdout] test src/conv.rs - conv::Conv (line 72) ... ok
[INFO] [stdout] test src/conv.rs - conv::Conv (line 59) ... ok
[INFO] [stdout] test src/pipe.rs - pipe (line 12) ... ok
[INFO] [stdout] test src/exit.rs - exit (line 16) ... ok
[INFO] [stdout] test src/conv.rs - conv::TryConv (line 149) ... ok
[INFO] [stdout] test src/exit.rs - exit (line 10) ... ok
[INFO] [stdout] test src/exit.rs - exit (line 24) ... ok
[INFO] [stdout] test src/conv.rs - conv::Conv::conv (line 96) ... ok
[INFO] [stdout] test src/tap.rs - tap (line 112) ... ok
[INFO] [stdout] test src/conv.rs - conv::Conv (line 49) ... ok
[INFO] [stdout] test src/pipe.rs - pipe::Pipe::pipe (line 70) ... ok
[INFO] [stdout] test src/tap.rs - tap::Tap::tap (line 257) ... ok
[INFO] [stdout] test src/tap.rs - tap (line 137) ... ok
[INFO] [stdout] test src/tap.rs - tap (line 165) ... ok
[INFO] [stdout] test src/tap.rs - tap (line 149) ... ok
[INFO] [stdout] test src/tap.rs - tap::Tap::tap_mut (line 310) ... ok
[INFO] [stdout] test src/conv.rs - conv::TryConv::try_conv (line 198) ... ok
[INFO] [stdout] test src/tap.rs - tap::TapDeref (line 576) ... ok
[INFO] [stdout] test src/tap.rs - tap::TapBorrow::tap_borrow (line 377) ... ok
[INFO] [stdout] test src/tap.rs - tap::TapAsRef (line 464) ... ok
[INFO] [stdout] test src/tap.rs - tap::TapBorrow (line 355) ... ok
[INFO] [stdout] test src/tap.rs - tap::Tap (line 228) ... ok
[INFO] [stdout] test src/tap.rs - tap::TapAsRef (line 454) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 2.79s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b4fb3265e88a969435b65422f78e690c3c9403f6f8afb9452438709663fde251", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4fb3265e88a969435b65422f78e690c3c9403f6f8afb9452438709663fde251", kill_on_drop: false }`
[INFO] [stdout] b4fb3265e88a969435b65422f78e690c3c9403f6f8afb9452438709663fde251