[INFO] fetching crate iowrap 0.2.0...
[INFO] testing iowrap-0.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate iowrap 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate iowrap 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 iowrap 0.2.0
[INFO] finished tweaking crates.io crate iowrap 0.2.0
[INFO] tweaked toml for crates.io crate iowrap 0.2.0 written to /workspace/builds/worker-1/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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 1fcb35ab842c58c32f83e7180e7bf607d806d50cbec7d60783e41e86fd5dc288
[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" "1fcb35ab842c58c32f83e7180e7bf607d806d50cbec7d60783e41e86fd5dc288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fcb35ab842c58c32f83e7180e7bf607d806d50cbec7d60783e41e86fd5dc288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fcb35ab842c58c32f83e7180e7bf607d806d50cbec7d60783e41e86fd5dc288", kill_on_drop: false }`
[INFO] [stdout] 1fcb35ab842c58c32f83e7180e7bf607d806d50cbec7d60783e41e86fd5dc288
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 58a0575273a87d954f1b32517a9c7d518ad8c5accdd120d77fcc9a6e3b8315e5
[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" "58a0575273a87d954f1b32517a9c7d518ad8c5accdd120d77fcc9a6e3b8315e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling iowrap v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "58a0575273a87d954f1b32517a9c7d518ad8c5accdd120d77fcc9a6e3b8315e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58a0575273a87d954f1b32517a9c7d518ad8c5accdd120d77fcc9a6e3b8315e5", kill_on_drop: false }`
[INFO] [stdout] 58a0575273a87d954f1b32517a9c7d518ad8c5accdd120d77fcc9a6e3b8315e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 264efbe9a5a7506274d8c51de756a2654736f7357a23dba4cc8f0a9a69024994
[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" "264efbe9a5a7506274d8c51de756a2654736f7357a23dba4cc8f0a9a69024994", kill_on_drop: false }`
[INFO] [stderr]    Compiling iowrap v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "264efbe9a5a7506274d8c51de756a2654736f7357a23dba4cc8f0a9a69024994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "264efbe9a5a7506274d8c51de756a2654736f7357a23dba4cc8f0a9a69024994", kill_on_drop: false }`
[INFO] [stdout] 264efbe9a5a7506274d8c51de756a2654736f7357a23dba4cc8f0a9a69024994
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 2aacc562d35624ed4768b66157144dba03d1cff6061a54e1627bab328c4de91c
[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" "2aacc562d35624ed4768b66157144dba03d1cff6061a54e1627bab328c4de91c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/iowrap-59de1ba5df72101a
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test short::tests::shorten ... ok
[INFO] [stdout] test many::tests::interrupted_read ... ok
[INFO] [stdout] test pos::tests::smoke_cursor ... ok
[INFO] [stdout] test short::tests::interrupt ... ok
[INFO] [stdout] test eof::tests::interrupted_read ... ok
[INFO] [stdout] test eof::tests::smoke_cursor ... ok
[INFO] [stderr]    Doc-tests iowrap
[INFO] [stdout] test many::tests::short_read ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/eof.rs - eof::Eof (line 16) ... ok
[INFO] [stdout] test src/ignore.rs - ignore::Ignore (line 21) ... ok
[INFO] [stdout] test src/short.rs - short::ShortRead (line 33) ... ok
[INFO] [stdout] test src/short.rs - short::ShortRead (line 18) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.15s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2aacc562d35624ed4768b66157144dba03d1cff6061a54e1627bab328c4de91c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aacc562d35624ed4768b66157144dba03d1cff6061a54e1627bab328c4de91c", kill_on_drop: false }`
[INFO] [stdout] 2aacc562d35624ed4768b66157144dba03d1cff6061a54e1627bab328c4de91c