[INFO] fetching crate piece_table 0.1.0...
[INFO] testing piece_table-0.1.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate piece_table 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate piece_table 0.1.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b95db4a646fc99a150d7eaea12348d8b16356b0031b80f76d6311b1b2d04600
[INFO] running `Command { std: "docker" "start" "-a" "1b95db4a646fc99a150d7eaea12348d8b16356b0031b80f76d6311b1b2d04600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b95db4a646fc99a150d7eaea12348d8b16356b0031b80f76d6311b1b2d04600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b95db4a646fc99a150d7eaea12348d8b16356b0031b80f76d6311b1b2d04600", kill_on_drop: false }`
[INFO] [stdout] 1b95db4a646fc99a150d7eaea12348d8b16356b0031b80f76d6311b1b2d04600
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10ba7b769b9d935c7e51f61398f8a25a2bf340e7fca6d99d85f54cc2182da7f4
[INFO] running `Command { std: "docker" "start" "-a" "10ba7b769b9d935c7e51f61398f8a25a2bf340e7fca6d99d85f54cc2182da7f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling piece_table v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "10ba7b769b9d935c7e51f61398f8a25a2bf340e7fca6d99d85f54cc2182da7f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10ba7b769b9d935c7e51f61398f8a25a2bf340e7fca6d99d85f54cc2182da7f4", kill_on_drop: false }`
[INFO] [stdout] 10ba7b769b9d935c7e51f61398f8a25a2bf340e7fca6d99d85f54cc2182da7f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ceb2c017b5ab88e74b5e1d4952e706ac1f8a9df9836ecc3178fc6f3ab1c1b507
[INFO] running `Command { std: "docker" "start" "-a" "ceb2c017b5ab88e74b5e1d4952e706ac1f8a9df9836ecc3178fc6f3ab1c1b507", kill_on_drop: false }`
[INFO] [stderr]    Compiling piece_table v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "ceb2c017b5ab88e74b5e1d4952e706ac1f8a9df9836ecc3178fc6f3ab1c1b507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceb2c017b5ab88e74b5e1d4952e706ac1f8a9df9836ecc3178fc6f3ab1c1b507", kill_on_drop: false }`
[INFO] [stdout] ceb2c017b5ab88e74b5e1d4952e706ac1f8a9df9836ecc3178fc6f3ab1c1b507
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9705b82c367485e858ebae7a7ebcc5937464c771ccfe9767a55214af3bea3438
[INFO] running `Command { std: "docker" "start" "-a" "9705b82c367485e858ebae7a7ebcc5937464c771ccfe9767a55214af3bea3438", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 7 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/piece_table-4e02ce1165509b23)
[INFO] [stdout] test tests::add_string_at_start ... ok
[INFO] [stdout] test tests::add_string_at_end ... 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::add_string_at_empty ... ok
[INFO] [stdout] test tests::add_string_at_middle ... ok
[INFO] [stdout] test tests::init ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[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" "9705b82c367485e858ebae7a7ebcc5937464c771ccfe9767a55214af3bea3438", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9705b82c367485e858ebae7a7ebcc5937464c771ccfe9767a55214af3bea3438", kill_on_drop: false }`
[INFO] [stdout] 9705b82c367485e858ebae7a7ebcc5937464c771ccfe9767a55214af3bea3438