[INFO] fetching crate unicode_reader 1.0.1...
[INFO] testing unicode_reader-1.0.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate unicode_reader 1.0.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate unicode_reader 1.0.1 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 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-11/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" "+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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1cfc4207830b8c08a8b6f6ca2c5a67eb990010e9c7b69a874c1ec1edb3d5f344
[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" "1cfc4207830b8c08a8b6f6ca2c5a67eb990010e9c7b69a874c1ec1edb3d5f344", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cfc4207830b8c08a8b6f6ca2c5a67eb990010e9c7b69a874c1ec1edb3d5f344", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cfc4207830b8c08a8b6f6ca2c5a67eb990010e9c7b69a874c1ec1edb3d5f344", kill_on_drop: false }`
[INFO] [stdout] 1cfc4207830b8c08a8b6f6ca2c5a67eb990010e9c7b69a874c1ec1edb3d5f344
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 7b0a185c976c50d8e7b039d3c30212def0b2c416ce3402989daa7f5b1e52ce58
[INFO] running `Command { std: "docker" "start" "-a" "7b0a185c976c50d8e7b039d3c30212def0b2c416ce3402989daa7f5b1e52ce58", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode_reader v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "7b0a185c976c50d8e7b039d3c30212def0b2c416ce3402989daa7f5b1e52ce58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b0a185c976c50d8e7b039d3c30212def0b2c416ce3402989daa7f5b1e52ce58", kill_on_drop: false }`
[INFO] [stdout] 7b0a185c976c50d8e7b039d3c30212def0b2c416ce3402989daa7f5b1e52ce58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed989a4ffeb10470b7e5dafe26804255e4018898b012d0d82f8b0498114546e6
[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" "ed989a4ffeb10470b7e5dafe26804255e4018898b012d0d82f8b0498114546e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode_reader v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.34s
[INFO] running `Command { std: "docker" "inspect" "ed989a4ffeb10470b7e5dafe26804255e4018898b012d0d82f8b0498114546e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed989a4ffeb10470b7e5dafe26804255e4018898b012d0d82f8b0498114546e6", kill_on_drop: false }`
[INFO] [stdout] ed989a4ffeb10470b7e5dafe26804255e4018898b012d0d82f8b0498114546e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f3e17def1c78b6582843e4c3818ad129b48cf9cee30c47b1c68820439fa5dda4
[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" "f3e17def1c78b6582843e4c3818ad129b48cf9cee30c47b1c68820439fa5dda4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/unicode_reader-715c1726d66849c6
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[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_utf8_error ... ok
[INFO] [stdout] test test::test_zalgo ... ok
[INFO] [stderr]    Doc-tests unicode_reader
[INFO] [stdout] test test::test_grapheme_bad_utf8 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "f3e17def1c78b6582843e4c3818ad129b48cf9cee30c47b1c68820439fa5dda4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3e17def1c78b6582843e4c3818ad129b48cf9cee30c47b1c68820439fa5dda4", kill_on_drop: false }`
[INFO] [stdout] f3e17def1c78b6582843e4c3818ad129b48cf9cee30c47b1c68820439fa5dda4