[INFO] fetching crate rc-u8-reader 2.0.14...
[INFO] testing rc-u8-reader-2.0.14 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate rc-u8-reader 2.0.14 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rc-u8-reader 2.0.14 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rc-u8-reader 2.0.14
[INFO] finished tweaking crates.io crate rc-u8-reader 2.0.14
[INFO] tweaked toml for crates.io crate rc-u8-reader 2.0.14 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60c716d8d452005716df80ce31d6845dc0f3777d907e96aaab1267d52784d0c8
[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" "60c716d8d452005716df80ce31d6845dc0f3777d907e96aaab1267d52784d0c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60c716d8d452005716df80ce31d6845dc0f3777d907e96aaab1267d52784d0c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60c716d8d452005716df80ce31d6845dc0f3777d907e96aaab1267d52784d0c8", kill_on_drop: false }`
[INFO] [stdout] 60c716d8d452005716df80ce31d6845dc0f3777d907e96aaab1267d52784d0c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 7fc1777aec389a97a41d101817868a1261ef1e27c06a1b1e46cff08cd892c72d
[INFO] running `Command { std: "docker" "start" "-a" "7fc1777aec389a97a41d101817868a1261ef1e27c06a1b1e46cff08cd892c72d", kill_on_drop: false }`
[INFO] [stderr]    Compiling debug-helper v0.3.12
[INFO] [stderr]    Compiling rc-u8-reader v2.0.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "7fc1777aec389a97a41d101817868a1261ef1e27c06a1b1e46cff08cd892c72d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fc1777aec389a97a41d101817868a1261ef1e27c06a1b1e46cff08cd892c72d", kill_on_drop: false }`
[INFO] [stdout] 7fc1777aec389a97a41d101817868a1261ef1e27c06a1b1e46cff08cd892c72d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8b1ab80e19b7a55e4e791d95c3e833f969dd94da97cac9bc5a0fec9e81aced1
[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" "c8b1ab80e19b7a55e4e791d95c3e833f969dd94da97cac9bc5a0fec9e81aced1", kill_on_drop: false }`
[INFO] [stderr]    Compiling rc-u8-reader v2.0.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "c8b1ab80e19b7a55e4e791d95c3e833f969dd94da97cac9bc5a0fec9e81aced1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8b1ab80e19b7a55e4e791d95c3e833f969dd94da97cac9bc5a0fec9e81aced1", kill_on_drop: false }`
[INFO] [stdout] c8b1ab80e19b7a55e4e791d95c3e833f969dd94da97cac9bc5a0fec9e81aced1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 58443df4d9541da251abad2e41ab5399a1766f91b9bb4fca868fb6cc4662de4e
[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" "58443df4d9541da251abad2e41ab5399a1766f91b9bb4fca868fb6cc4662de4e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rc_u8_reader-a4b65c8010c54fd6)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rc-u8-reader
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] test src/lib.rs - (line 30) ... ok
[INFO] [stdout] test src/lib.rs - (line 73) ... ok
[INFO] [stdout] test src/lib.rs - (line 52) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.67s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "58443df4d9541da251abad2e41ab5399a1766f91b9bb4fca868fb6cc4662de4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58443df4d9541da251abad2e41ab5399a1766f91b9bb4fca868fb6cc4662de4e", kill_on_drop: false }`
[INFO] [stdout] 58443df4d9541da251abad2e41ab5399a1766f91b9bb4fca868fb6cc4662de4e