[INFO] fetching crate faster-chars-count 0.3.0...
[INFO] testing faster-chars-count-0.3.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate faster-chars-count 0.3.0 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate faster-chars-count 0.3.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate faster-chars-count 0.3.0
[INFO] finished tweaking crates.io crate faster-chars-count 0.3.0
[INFO] tweaked toml for crates.io crate faster-chars-count 0.3.0 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c652026677d2cb057264cf020254757da10485b569206ace1ae35bf6f1a9b7b
[INFO] running `Command { std: "docker" "start" "-a" "8c652026677d2cb057264cf020254757da10485b569206ace1ae35bf6f1a9b7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c652026677d2cb057264cf020254757da10485b569206ace1ae35bf6f1a9b7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c652026677d2cb057264cf020254757da10485b569206ace1ae35bf6f1a9b7b", kill_on_drop: false }`
[INFO] [stdout] 8c652026677d2cb057264cf020254757da10485b569206ace1ae35bf6f1a9b7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 024c4302291447ca0629c5dcee6a88260ac4bc8f1ebc2b7079da42d00b0d9fa2
[INFO] running `Command { std: "docker" "start" "-a" "024c4302291447ca0629c5dcee6a88260ac4bc8f1ebc2b7079da42d00b0d9fa2", kill_on_drop: false }`
[INFO] [stderr]    Compiling faster-chars-count v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "024c4302291447ca0629c5dcee6a88260ac4bc8f1ebc2b7079da42d00b0d9fa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "024c4302291447ca0629c5dcee6a88260ac4bc8f1ebc2b7079da42d00b0d9fa2", kill_on_drop: false }`
[INFO] [stdout] 024c4302291447ca0629c5dcee6a88260ac4bc8f1ebc2b7079da42d00b0d9fa2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d71f11e2df1dfd5672cefd8986c0ae258a0b845ffb7f4ea22ee240be0164d2a5
[INFO] running `Command { std: "docker" "start" "-a" "d71f11e2df1dfd5672cefd8986c0ae258a0b845ffb7f4ea22ee240be0164d2a5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling faster-chars-count v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/faster_chars_count-a486c4e65f713dd1)
[INFO] running `Command { std: "docker" "inspect" "d71f11e2df1dfd5672cefd8986c0ae258a0b845ffb7f4ea22ee240be0164d2a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d71f11e2df1dfd5672cefd8986c0ae258a0b845ffb7f4ea22ee240be0164d2a5", kill_on_drop: false }`
[INFO] [stdout] d71f11e2df1dfd5672cefd8986c0ae258a0b845ffb7f4ea22ee240be0164d2a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4b3aa432d350d24a42783ff0f09deafabf87ef3e7bf818939697b52bf7eb764d
[INFO] running `Command { std: "docker" "start" "-a" "4b3aa432d350d24a42783ff0f09deafabf87ef3e7bf818939697b52bf7eb764d", 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/faster_chars_count-a486c4e65f713dd1)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests faster-chars-count
[INFO] [stdout] test tests::count_mix1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4b3aa432d350d24a42783ff0f09deafabf87ef3e7bf818939697b52bf7eb764d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b3aa432d350d24a42783ff0f09deafabf87ef3e7bf818939697b52bf7eb764d", kill_on_drop: false }`
[INFO] [stdout] 4b3aa432d350d24a42783ff0f09deafabf87ef3e7bf818939697b52bf7eb764d