[INFO] fetching crate read-write-pipe 0.1.0...
[INFO] testing read-write-pipe-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate read-write-pipe 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate read-write-pipe 0.1.0 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 read-write-pipe 0.1.0
[INFO] finished tweaking crates.io crate read-write-pipe 0.1.0
[INFO] tweaked toml for crates.io crate read-write-pipe 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate read-write-pipe 0.1.0 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-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] 2cfb84e7959901fe0fd75d6504d9e3a961a54dfe71ef4557e5a118cb6c5c0000
[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" "2cfb84e7959901fe0fd75d6504d9e3a961a54dfe71ef4557e5a118cb6c5c0000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cfb84e7959901fe0fd75d6504d9e3a961a54dfe71ef4557e5a118cb6c5c0000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cfb84e7959901fe0fd75d6504d9e3a961a54dfe71ef4557e5a118cb6c5c0000", kill_on_drop: false }`
[INFO] [stdout] 2cfb84e7959901fe0fd75d6504d9e3a961a54dfe71ef4557e5a118cb6c5c0000
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 233eb00e387ce91a1e7b4de6d03900412e1b32aa51de4d97508ed9d815b9a3f6
[INFO] running `Command { std: "docker" "start" "-a" "233eb00e387ce91a1e7b4de6d03900412e1b32aa51de4d97508ed9d815b9a3f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling read-write-pipe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "233eb00e387ce91a1e7b4de6d03900412e1b32aa51de4d97508ed9d815b9a3f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "233eb00e387ce91a1e7b4de6d03900412e1b32aa51de4d97508ed9d815b9a3f6", kill_on_drop: false }`
[INFO] [stdout] 233eb00e387ce91a1e7b4de6d03900412e1b32aa51de4d97508ed9d815b9a3f6
[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] 3e6bfdb7104759c9513915cf6f3c148da6fc179f7688ef0d95bee542e1a9f9d0
[INFO] running `Command { std: "docker" "start" "-a" "3e6bfdb7104759c9513915cf6f3c148da6fc179f7688ef0d95bee542e1a9f9d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling read-write-pipe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "3e6bfdb7104759c9513915cf6f3c148da6fc179f7688ef0d95bee542e1a9f9d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e6bfdb7104759c9513915cf6f3c148da6fc179f7688ef0d95bee542e1a9f9d0", kill_on_drop: false }`
[INFO] [stdout] 3e6bfdb7104759c9513915cf6f3c148da6fc179f7688ef0d95bee542e1a9f9d0
[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] d84d83265b8a7ac590adc34d0fdbc96d4a10588fa0855eb3f3bdba920bf0e77d
[INFO] running `Command { std: "docker" "start" "-a" "d84d83265b8a7ac590adc34d0fdbc96d4a10588fa0855eb3f3bdba920bf0e77d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/read_write_pipe-df243af1c7e1ca2c
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests read-write-pipe
[INFO] [stdout] test tests::writes_all_bytes_from_reader_into_writer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - ReadWritePipe (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.52s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d84d83265b8a7ac590adc34d0fdbc96d4a10588fa0855eb3f3bdba920bf0e77d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d84d83265b8a7ac590adc34d0fdbc96d4a10588fa0855eb3f3bdba920bf0e77d", kill_on_drop: false }`
[INFO] [stdout] d84d83265b8a7ac590adc34d0fdbc96d4a10588fa0855eb3f3bdba920bf0e77d