[INFO] fetching crate minigrep_robin 0.1.1...
[INFO] testing minigrep_robin-0.1.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate minigrep_robin 0.1.1 into /workspace/builds/worker-86/source
[INFO] validating manifest of crates.io crate minigrep_robin 0.1.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate minigrep_robin 0.1.1
[INFO] finished tweaking crates.io crate minigrep_robin 0.1.1
[INFO] tweaked toml for crates.io crate minigrep_robin 0.1.1 written to /workspace/builds/worker-86/source/Cargo.toml
[INFO] crate crates.io crate minigrep_robin 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42895311d6a832a18a4ddf2ba74d7633ea4be0217625dddcfc8c01f100e8c385
[INFO] running `Command { std: "docker" "start" "-a" "42895311d6a832a18a4ddf2ba74d7633ea4be0217625dddcfc8c01f100e8c385", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42895311d6a832a18a4ddf2ba74d7633ea4be0217625dddcfc8c01f100e8c385", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42895311d6a832a18a4ddf2ba74d7633ea4be0217625dddcfc8c01f100e8c385", kill_on_drop: false }`
[INFO] [stdout] 42895311d6a832a18a4ddf2ba74d7633ea4be0217625dddcfc8c01f100e8c385
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b5c3ffa8e899820c6b17b6c3d57c17b0bcea51b642f7ef8472dba6d98309260
[INFO] running `Command { std: "docker" "start" "-a" "6b5c3ffa8e899820c6b17b6c3d57c17b0bcea51b642f7ef8472dba6d98309260", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep_robin v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "6b5c3ffa8e899820c6b17b6c3d57c17b0bcea51b642f7ef8472dba6d98309260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b5c3ffa8e899820c6b17b6c3d57c17b0bcea51b642f7ef8472dba6d98309260", kill_on_drop: false }`
[INFO] [stdout] 6b5c3ffa8e899820c6b17b6c3d57c17b0bcea51b642f7ef8472dba6d98309260
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff6aab7d299ac984d128cc508bac1bfed27086f9e00718c8987392c921dc0c72
[INFO] running `Command { std: "docker" "start" "-a" "ff6aab7d299ac984d128cc508bac1bfed27086f9e00718c8987392c921dc0c72", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling minigrep_robin v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "ff6aab7d299ac984d128cc508bac1bfed27086f9e00718c8987392c921dc0c72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff6aab7d299ac984d128cc508bac1bfed27086f9e00718c8987392c921dc0c72", kill_on_drop: false }`
[INFO] [stdout] ff6aab7d299ac984d128cc508bac1bfed27086f9e00718c8987392c921dc0c72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 660f1f23a3ba4a74af50b3db97df0daa68fd364fb33298c3ed5488ddc98e8acb
[INFO] running `Command { std: "docker" "start" "-a" "660f1f23a3ba4a74af50b3db97df0daa68fd364fb33298c3ed5488ddc98e8acb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/minigrep_robin-3e54c6f98fccdaa2)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::case_insensitive ... ok
[INFO] [stdout] test tests::case_sensitive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/minigrep_robin-0584849c22c609e3)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests minigrep_robin
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - run (line 42) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "660f1f23a3ba4a74af50b3db97df0daa68fd364fb33298c3ed5488ddc98e8acb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "660f1f23a3ba4a74af50b3db97df0daa68fd364fb33298c3ed5488ddc98e8acb", kill_on_drop: false }`
[INFO] [stdout] 660f1f23a3ba4a74af50b3db97df0daa68fd364fb33298c3ed5488ddc98e8acb