[INFO] fetching crate iterpipes 0.2.0...
[INFO] testing iterpipes-0.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate iterpipes 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate iterpipes 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 iterpipes 0.2.0
[INFO] finished tweaking crates.io crate iterpipes 0.2.0
[INFO] tweaked toml for crates.io crate iterpipes 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate iterpipes 0.2.0 already has a lockfile, it will not be regenerated
[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-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", 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] 49f6e431f4050fe6bcf8890763631cb76cbbfecb81b1668ed4ee248523bcd2e6
[INFO] running `Command { std: "docker" "start" "-a" "49f6e431f4050fe6bcf8890763631cb76cbbfecb81b1668ed4ee248523bcd2e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49f6e431f4050fe6bcf8890763631cb76cbbfecb81b1668ed4ee248523bcd2e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49f6e431f4050fe6bcf8890763631cb76cbbfecb81b1668ed4ee248523bcd2e6", kill_on_drop: false }`
[INFO] [stdout] 49f6e431f4050fe6bcf8890763631cb76cbbfecb81b1668ed4ee248523bcd2e6
[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=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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dcd778bc853bdf3973893166140f340d09de951c4dfe740f12bbb7b08fade5b8
[INFO] running `Command { std: "docker" "start" "-a" "dcd778bc853bdf3973893166140f340d09de951c4dfe740f12bbb7b08fade5b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling iterpipes v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "dcd778bc853bdf3973893166140f340d09de951c4dfe740f12bbb7b08fade5b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcd778bc853bdf3973893166140f340d09de951c4dfe740f12bbb7b08fade5b8", kill_on_drop: false }`
[INFO] [stdout] dcd778bc853bdf3973893166140f340d09de951c4dfe740f12bbb7b08fade5b8
[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=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] [stdout] ebe265f66e508a14545571c52f03f1a0159181758defc4b53311230d4be9c2c1
[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" "ebe265f66e508a14545571c52f03f1a0159181758defc4b53311230d4be9c2c1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling syn v1.0.21
[INFO] [stderr]    Compiling standback v0.2.8
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling time v0.2.16
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling time-macros v0.1.0
[INFO] [stderr]    Compiling iterpipes v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 19.87s
[INFO] running `Command { std: "docker" "inspect" "ebe265f66e508a14545571c52f03f1a0159181758defc4b53311230d4be9c2c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebe265f66e508a14545571c52f03f1a0159181758defc4b53311230d4be9c2c1", kill_on_drop: false }`
[INFO] [stdout] ebe265f66e508a14545571c52f03f1a0159181758defc4b53311230d4be9c2c1
[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=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] [stdout] 351c9f73c29340289766d816fa3fcd1adb255da62a141d7004443f173d085a58
[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" "351c9f73c29340289766d816fa3fcd1adb255da62a141d7004443f173d085a58", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/iterpipes-b4d879a564ccd2c0
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test trait_object ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iterpipes
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test src/lib.rs - Pipe::connect (line 283) ... ok
[INFO] [stdout] test src/lib.rs - (line 143) ... ok
[INFO] [stdout] test src/lib.rs - (line 44) ... ok
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] test src/lib.rs - Pipe::into_iter (line 335) ... ok
[INFO] [stdout] test src/lib.rs - Pipe::optional (line 376) ... ok
[INFO] [stdout] test src/lib.rs - Pipe::boxed (line 452) ... ok
[INFO] [stdout] test src/lib.rs - Pipe::enumerate (line 417) ... ok
[INFO] [stdout] test src/lib.rs - ResetablePipe::reset (line 487) ... ok
[INFO] [stdout] test src/util.rs - util::Ditto (line 357) ... ok
[INFO] [stdout] test src/lib.rs - Pipe::compose (line 222) ... ok
[INFO] [stdout] test src/lib.rs - Pipe::bypass (line 189) ... ok
[INFO] [stdout] test src/lib.rs - (line 102) ... ok
[INFO] [stdout] test src/util.rs - util::Counter (line 299) ... ok
[INFO] [stdout] test src/util.rs - util::Lazy (line 163) ... ok
[INFO] [stdout] test src/util.rs - util::LazyMut (line 108) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.88s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "351c9f73c29340289766d816fa3fcd1adb255da62a141d7004443f173d085a58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "351c9f73c29340289766d816fa3fcd1adb255da62a141d7004443f173d085a58", kill_on_drop: false }`
[INFO] [stdout] 351c9f73c29340289766d816fa3fcd1adb255da62a141d7004443f173d085a58