[INFO] fetching crate rc-u8-reader 2.0.12...
[INFO] testing rc-u8-reader-2.0.12 against 1.45.2 for beta-1.46-1
[INFO] extracting crate rc-u8-reader 2.0.12 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rc-u8-reader 2.0.12 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rc-u8-reader 2.0.12
[INFO] finished tweaking crates.io crate rc-u8-reader 2.0.12
[INFO] tweaked toml for crates.io crate rc-u8-reader 2.0.12 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99bab76fc9cad378d6dee85f718c35d11dbd719db151d64470b868bc2596a9dc
[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" "99bab76fc9cad378d6dee85f718c35d11dbd719db151d64470b868bc2596a9dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99bab76fc9cad378d6dee85f718c35d11dbd719db151d64470b868bc2596a9dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99bab76fc9cad378d6dee85f718c35d11dbd719db151d64470b868bc2596a9dc", kill_on_drop: false }`
[INFO] [stdout] 99bab76fc9cad378d6dee85f718c35d11dbd719db151d64470b868bc2596a9dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.45.2" "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] 61ee0f456f27aac48cc41c97036baa4ccfc0b1404892b93b72f1d5a67d00e892
[INFO] running `Command { std: "docker" "start" "-a" "61ee0f456f27aac48cc41c97036baa4ccfc0b1404892b93b72f1d5a67d00e892", kill_on_drop: false }`
[INFO] [stderr]    Compiling debug-helper v0.3.10
[INFO] [stderr]    Compiling rc-u8-reader v2.0.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "61ee0f456f27aac48cc41c97036baa4ccfc0b1404892b93b72f1d5a67d00e892", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61ee0f456f27aac48cc41c97036baa4ccfc0b1404892b93b72f1d5a67d00e892", kill_on_drop: false }`
[INFO] [stdout] 61ee0f456f27aac48cc41c97036baa4ccfc0b1404892b93b72f1d5a67d00e892
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfaeaf6e4ec85e9fbfc58daf79eebbccb83dc8dc63edbbbb3c3f5924915193a4
[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" "dfaeaf6e4ec85e9fbfc58daf79eebbccb83dc8dc63edbbbb3c3f5924915193a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rc-u8-reader v2.0.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "dfaeaf6e4ec85e9fbfc58daf79eebbccb83dc8dc63edbbbb3c3f5924915193a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfaeaf6e4ec85e9fbfc58daf79eebbccb83dc8dc63edbbbb3c3f5924915193a4", kill_on_drop: false }`
[INFO] [stdout] dfaeaf6e4ec85e9fbfc58daf79eebbccb83dc8dc63edbbbb3c3f5924915193a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8fab02dd54924aaeb29dcea7949c0af1a422463898a7bdfdc0a54707d5f10cb1
[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" "8fab02dd54924aaeb29dcea7949c0af1a422463898a7bdfdc0a54707d5f10cb1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rc_u8_reader-a138d58c5a22f937
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rc-u8-reader
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs -  (line 9) ... ok
[INFO] [stdout] test src/lib.rs -  (line 73) ... ok
[INFO] [stdout] test src/lib.rs -  (line 52) ... ok
[INFO] [stdout] test src/lib.rs -  (line 30) ... 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" "8fab02dd54924aaeb29dcea7949c0af1a422463898a7bdfdc0a54707d5f10cb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fab02dd54924aaeb29dcea7949c0af1a422463898a7bdfdc0a54707d5f10cb1", kill_on_drop: false }`
[INFO] [stdout] 8fab02dd54924aaeb29dcea7949c0af1a422463898a7bdfdc0a54707d5f10cb1