[INFO] fetching crate unicode_reader 1.0.1...
[INFO] testing unicode_reader-1.0.1 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate unicode_reader 1.0.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate unicode_reader 1.0.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unicode_reader 1.0.1
[INFO] finished tweaking crates.io crate unicode_reader 1.0.1
[INFO] tweaked toml for crates.io crate unicode_reader 1.0.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate unicode_reader 1.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d459243e518e737c089845eb384e723462d93d34879010ef3882c86d794f5b0
[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" "9d459243e518e737c089845eb384e723462d93d34879010ef3882c86d794f5b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d459243e518e737c089845eb384e723462d93d34879010ef3882c86d794f5b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d459243e518e737c089845eb384e723462d93d34879010ef3882c86d794f5b0", kill_on_drop: false }`
[INFO] [stdout] 9d459243e518e737c089845eb384e723462d93d34879010ef3882c86d794f5b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d569be383b680d265a4d1f003070b4501df3e655a85090596072a2cd6c98a0b4
[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" "d569be383b680d265a4d1f003070b4501df3e655a85090596072a2cd6c98a0b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling unicode_reader v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "d569be383b680d265a4d1f003070b4501df3e655a85090596072a2cd6c98a0b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d569be383b680d265a4d1f003070b4501df3e655a85090596072a2cd6c98a0b4", kill_on_drop: false }`
[INFO] [stdout] d569be383b680d265a4d1f003070b4501df3e655a85090596072a2cd6c98a0b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 669768f75e8f974dfa10ed8889a09a436cd12987452c232428ecb57f50526458
[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" "669768f75e8f974dfa10ed8889a09a436cd12987452c232428ecb57f50526458", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode_reader v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "669768f75e8f974dfa10ed8889a09a436cd12987452c232428ecb57f50526458", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "669768f75e8f974dfa10ed8889a09a436cd12987452c232428ecb57f50526458", kill_on_drop: false }`
[INFO] [stdout] 669768f75e8f974dfa10ed8889a09a436cd12987452c232428ecb57f50526458
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 54947fe7fc06f6e74ae27e37c9b1427346b1cdae0cc02c6c9b8c996706ac9cde
[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" "54947fe7fc06f6e74ae27e37c9b1427346b1cdae0cc02c6c9b8c996706ac9cde", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/unicode_reader-0a965168deb6d4c4
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test::test_utf8_error ... ok
[INFO] [stdout] test test::test_error_at_end ... ok
[INFO] [stdout] test test::test_grapheme_bad_utf8_at_start ... ok
[INFO] [stdout] test test::test_grapheme_bad_utf8 ... ok
[INFO] [stdout] test test::test_zalgo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests unicode_reader
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "54947fe7fc06f6e74ae27e37c9b1427346b1cdae0cc02c6c9b8c996706ac9cde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54947fe7fc06f6e74ae27e37c9b1427346b1cdae0cc02c6c9b8c996706ac9cde", kill_on_drop: false }`
[INFO] [stdout] 54947fe7fc06f6e74ae27e37c9b1427346b1cdae0cc02c6c9b8c996706ac9cde