[INFO] cloning repository https://github.com/johnward/bft
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johnward/bft" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnward%2Fbft", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnward%2Fbft'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c167d9a66aece1c6c434135eb96da1e202ac5bc1
[INFO] building johnward/bft against try#3930b75493eb88cd5431103dbdbc47eb760e9d9b for pr-97025
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnward%2Fbft" "/workspace/builds/worker-33/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-33/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/johnward/bft on toolchain 3930b75493eb88cd5431103dbdbc47eb760e9d9b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3930b75493eb88cd5431103dbdbc47eb760e9d9b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/johnward/bft
[INFO] finished tweaking git repo https://github.com/johnward/bft
[INFO] tweaked toml for git repo https://github.com/johnward/bft written to /workspace/builds/worker-33/source/Cargo.toml
[INFO] crate git repo https://github.com/johnward/bft already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3930b75493eb88cd5431103dbdbc47eb760e9d9b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+3930b75493eb88cd5431103dbdbc47eb760e9d9b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2abbf0aebec09d53346e6ac2d04547af66b8e3102c5880290f599380685b6fdb
[INFO] running `Command { std: "docker" "start" "-a" "2abbf0aebec09d53346e6ac2d04547af66b8e3102c5880290f599380685b6fdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2abbf0aebec09d53346e6ac2d04547af66b8e3102c5880290f599380685b6fdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2abbf0aebec09d53346e6ac2d04547af66b8e3102c5880290f599380685b6fdb", kill_on_drop: false }`
[INFO] [stdout] 2abbf0aebec09d53346e6ac2d04547af66b8e3102c5880290f599380685b6fdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+3930b75493eb88cd5431103dbdbc47eb760e9d9b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 937fc723819847a7e610e05d5459564373b8d905f008267ded8dc50e06651081
[INFO] running `Command { std: "docker" "start" "-a" "937fc723819847a7e610e05d5459564373b8d905f008267ded8dc50e06651081", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bft_types v0.1.0 (/opt/rustwide/workdir/bft_types)
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling bft_interp v0.1.0 (/opt/rustwide/workdir/bft_interp)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> bft_interp/src/lib.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |             (number_to_add - ((u8::max_value() - current_number) + 1)) // + 1 to take into account the zero
[INFO] [stdout]    |             ^                                                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 50 -             (number_to_add - ((u8::max_value() - current_number) + 1)) // + 1 to take into account the zero
[INFO] [stdout] 50 +             number_to_add - ((u8::max_value() - current_number) + 1) // + 1 to take into account the zero
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> bft_interp/src/lib.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |             (u8::max_value() - ((number_to_sub - current_number) - 1)) // - 1 to take into account the zero
[INFO] [stdout]    |             ^                                                        ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 59 -             (u8::max_value() - ((number_to_sub - current_number) - 1)) // - 1 to take into account the zero
[INFO] [stdout] 59 +             u8::max_value() - ((number_to_sub - current_number) - 1) // - 1 to take into account the zero
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `can_grow`
[INFO] [stdout]    --> bft_interp/src/lib.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 |     can_grow: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `BFVirtualMachine` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> bft_interp/src/lib.rs:98:10
[INFO] [stdout]     |
[INFO] [stdout] 98  | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling bft v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.13s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "937fc723819847a7e610e05d5459564373b8d905f008267ded8dc50e06651081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "937fc723819847a7e610e05d5459564373b8d905f008267ded8dc50e06651081", kill_on_drop: false }`
[INFO] [stdout] 937fc723819847a7e610e05d5459564373b8d905f008267ded8dc50e06651081