[INFO] fetching crate iowrap 0.2.0...
[INFO] testing iowrap-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate iowrap 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate iowrap 0.2.0 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 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-5/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee69014df04ec36146e727b6ba527fd13ea1c45cc276f96611cfdf2def8a9943
[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" "ee69014df04ec36146e727b6ba527fd13ea1c45cc276f96611cfdf2def8a9943", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee69014df04ec36146e727b6ba527fd13ea1c45cc276f96611cfdf2def8a9943", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee69014df04ec36146e727b6ba527fd13ea1c45cc276f96611cfdf2def8a9943", kill_on_drop: false }`
[INFO] [stdout] ee69014df04ec36146e727b6ba527fd13ea1c45cc276f96611cfdf2def8a9943
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 317d3ba2216f3b8a5606c12e72fb128db45bffddfa4f16783af018ff4bc18bc1
[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" "317d3ba2216f3b8a5606c12e72fb128db45bffddfa4f16783af018ff4bc18bc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling iowrap v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "317d3ba2216f3b8a5606c12e72fb128db45bffddfa4f16783af018ff4bc18bc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "317d3ba2216f3b8a5606c12e72fb128db45bffddfa4f16783af018ff4bc18bc1", kill_on_drop: false }`
[INFO] [stdout] 317d3ba2216f3b8a5606c12e72fb128db45bffddfa4f16783af018ff4bc18bc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3dc667ab96a3e16ac832980ba52ba1486484c7cb16c1614547065b51616aa735
[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" "3dc667ab96a3e16ac832980ba52ba1486484c7cb16c1614547065b51616aa735", 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" "3dc667ab96a3e16ac832980ba52ba1486484c7cb16c1614547065b51616aa735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dc667ab96a3e16ac832980ba52ba1486484c7cb16c1614547065b51616aa735", kill_on_drop: false }`
[INFO] [stdout] 3dc667ab96a3e16ac832980ba52ba1486484c7cb16c1614547065b51616aa735
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a2ef6b1cd66fa9bf0d8dc2c2e96b90cb8caac5530e61d04389ecbdb0c197cbc6
[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" "a2ef6b1cd66fa9bf0d8dc2c2e96b90cb8caac5530e61d04389ecbdb0c197cbc6", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 7 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/iowrap-188b12f41f52d3d9
[INFO] [stdout] test many::tests::interrupted_read ... ok
[INFO] [stderr]    Doc-tests iowrap
[INFO] [stdout] test eof::tests::smoke_cursor ... ok
[INFO] [stdout] test eof::tests::interrupted_read ... ok
[INFO] [stdout] test pos::tests::smoke_cursor ... ok
[INFO] [stdout] test many::tests::short_read ... ok
[INFO] [stdout] test short::tests::interrupt ... ok
[INFO] [stdout] test short::tests::shorten ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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 18) ... ok
[INFO] [stdout] test src/short.rs - short::ShortRead (line 33) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a2ef6b1cd66fa9bf0d8dc2c2e96b90cb8caac5530e61d04389ecbdb0c197cbc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2ef6b1cd66fa9bf0d8dc2c2e96b90cb8caac5530e61d04389ecbdb0c197cbc6", kill_on_drop: false }`
[INFO] [stdout] a2ef6b1cd66fa9bf0d8dc2c2e96b90cb8caac5530e61d04389ecbdb0c197cbc6