[INFO] fetching crate piece_table 0.1.0...
[INFO] testing piece_table-0.1.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate piece_table 0.1.0 into /workspace/builds/worker-113/source
[INFO] validating manifest of crates.io crate piece_table 0.1.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate piece_table 0.1.0
[INFO] finished tweaking crates.io crate piece_table 0.1.0
[INFO] tweaked toml for crates.io crate piece_table 0.1.0 written to /workspace/builds/worker-113/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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" "+722e1797249a965b6335aebd65d777f917e498f1" "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-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed0dcaaf60ddae1ae3e7ddc3b632822d42ca8ebfe002be31a8e0bcee7a9459fc
[INFO] running `Command { std: "docker" "start" "-a" "ed0dcaaf60ddae1ae3e7ddc3b632822d42ca8ebfe002be31a8e0bcee7a9459fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed0dcaaf60ddae1ae3e7ddc3b632822d42ca8ebfe002be31a8e0bcee7a9459fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed0dcaaf60ddae1ae3e7ddc3b632822d42ca8ebfe002be31a8e0bcee7a9459fc", kill_on_drop: false }`
[INFO] [stdout] ed0dcaaf60ddae1ae3e7ddc3b632822d42ca8ebfe002be31a8e0bcee7a9459fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d36b3ab8ecfa203a4a56dcf2bf18756a83043f8eb1faf246b92840f4edba375
[INFO] running `Command { std: "docker" "start" "-a" "7d36b3ab8ecfa203a4a56dcf2bf18756a83043f8eb1faf246b92840f4edba375", kill_on_drop: false }`
[INFO] [stderr]    Compiling piece_table v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "7d36b3ab8ecfa203a4a56dcf2bf18756a83043f8eb1faf246b92840f4edba375", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d36b3ab8ecfa203a4a56dcf2bf18756a83043f8eb1faf246b92840f4edba375", kill_on_drop: false }`
[INFO] [stdout] 7d36b3ab8ecfa203a4a56dcf2bf18756a83043f8eb1faf246b92840f4edba375
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfb117844c1d72f35f2e6fda16ae262498e7a979d673f6093e15f72380b54f34
[INFO] running `Command { std: "docker" "start" "-a" "cfb117844c1d72f35f2e6fda16ae262498e7a979d673f6093e15f72380b54f34", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling piece_table v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "cfb117844c1d72f35f2e6fda16ae262498e7a979d673f6093e15f72380b54f34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfb117844c1d72f35f2e6fda16ae262498e7a979d673f6093e15f72380b54f34", kill_on_drop: false }`
[INFO] [stdout] cfb117844c1d72f35f2e6fda16ae262498e7a979d673f6093e15f72380b54f34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1b76f0d7173135014da37e9dada6b239aa6213997663a10c88ccf431cb7d0c52
[INFO] running `Command { std: "docker" "start" "-a" "1b76f0d7173135014da37e9dada6b239aa6213997663a10c88ccf431cb7d0c52", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/piece_table-16b13d41dcffa7a4)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::add_string_at_empty ... ok
[INFO] [stdout] test tests::add_string_at_end ... ok
[INFO] [stdout] test tests::add_string_at_middle ... ok
[INFO] [stdout] test tests::add_string_at_start ... ok
[INFO] [stdout] test tests::char_at_init_state ... ok
[INFO] [stdout] test tests::delete_string_at_middle_on_read_only_buffer ... ok
[INFO] [stdout] test tests::init - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests piece_table
[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] running `Command { std: "docker" "inspect" "1b76f0d7173135014da37e9dada6b239aa6213997663a10c88ccf431cb7d0c52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b76f0d7173135014da37e9dada6b239aa6213997663a10c88ccf431cb7d0c52", kill_on_drop: false }`
[INFO] [stdout] 1b76f0d7173135014da37e9dada6b239aa6213997663a10c88ccf431cb7d0c52