[INFO] fetching crate string-ring 0.1.1...
[INFO] testing string-ring-0.1.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate string-ring 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate string-ring 0.1.1
[INFO] finished tweaking crates.io crate string-ring 0.1.1
[INFO] tweaked toml for crates.io crate string-ring 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate string-ring 0.1.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22a8fee374a05b3c702ab22945e579dd1167606353916091aa81cb440ec326aa
[INFO] running `Command { std: "docker" "start" "-a" "22a8fee374a05b3c702ab22945e579dd1167606353916091aa81cb440ec326aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22a8fee374a05b3c702ab22945e579dd1167606353916091aa81cb440ec326aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22a8fee374a05b3c702ab22945e579dd1167606353916091aa81cb440ec326aa", kill_on_drop: false }`
[INFO] [stdout] 22a8fee374a05b3c702ab22945e579dd1167606353916091aa81cb440ec326aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da6f8d9e70fa00fc91455d0b65a310ce0a5e0a19ed22ea42ddb3b8804761f72d
[INFO] running `Command { std: "docker" "start" "-a" "da6f8d9e70fa00fc91455d0b65a310ce0a5e0a19ed22ea42ddb3b8804761f72d", kill_on_drop: false }`
[INFO] [stderr]    Compiling no-std-compat v0.4.1
[INFO] [stderr]    Compiling string-ring v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "da6f8d9e70fa00fc91455d0b65a310ce0a5e0a19ed22ea42ddb3b8804761f72d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da6f8d9e70fa00fc91455d0b65a310ce0a5e0a19ed22ea42ddb3b8804761f72d", kill_on_drop: false }`
[INFO] [stdout] da6f8d9e70fa00fc91455d0b65a310ce0a5e0a19ed22ea42ddb3b8804761f72d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8994e234def4a6f7f7a0fcd03577160fba7e27f02f7f5f989f8aef47f2188f8
[INFO] running `Command { std: "docker" "start" "-a" "a8994e234def4a6f7f7a0fcd03577160fba7e27f02f7f5f989f8aef47f2188f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling string-ring v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "a8994e234def4a6f7f7a0fcd03577160fba7e27f02f7f5f989f8aef47f2188f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8994e234def4a6f7f7a0fcd03577160fba7e27f02f7f5f989f8aef47f2188f8", kill_on_drop: false }`
[INFO] [stdout] a8994e234def4a6f7f7a0fcd03577160fba7e27f02f7f5f989f8aef47f2188f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 18d7a92660cd83b56fec58654c7b99c1e9cc6ef7c6539ba904653273069de91d
[INFO] running `Command { std: "docker" "start" "-a" "18d7a92660cd83b56fec58654c7b99c1e9cc6ef7c6539ba904653273069de91d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/string_ring-31ffb690a45bc921)
[INFO] [stderr]    Doc-tests string_ring
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_ceil_char_boundary_offset ... ok
[INFO] [stdout] test test_string_ring_char ... ok
[INFO] [stdout] test test_string_ring_line ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.63s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "18d7a92660cd83b56fec58654c7b99c1e9cc6ef7c6539ba904653273069de91d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18d7a92660cd83b56fec58654c7b99c1e9cc6ef7c6539ba904653273069de91d", kill_on_drop: false }`
[INFO] [stdout] 18d7a92660cd83b56fec58654c7b99c1e9cc6ef7c6539ba904653273069de91d