[INFO] cloning repository https://github.com/cdqz2014/RustGo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cdqz2014/RustGo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdqz2014%2FRustGo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdqz2014%2FRustGo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bab652590d60c8c7d599c0f12144779b4de0d27a
[INFO] checking cdqz2014/RustGo against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdqz2014%2FRustGo" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cdqz2014/RustGo on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cdqz2014/RustGo
[INFO] finished tweaking git repo https://github.com/cdqz2014/RustGo
[INFO] tweaked toml for git repo https://github.com/cdqz2014/RustGo written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cdqz2014/RustGo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking cdqz2014/RustGo against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdqz2014%2FRustGo" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cdqz2014/RustGo on toolchain b4fc5dbf0bc33be331f9d893db5b3a794f29724a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cdqz2014/RustGo
[INFO] finished tweaking git repo https://github.com/cdqz2014/RustGo
[INFO] tweaked toml for git repo https://github.com/cdqz2014/RustGo written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/cdqz2014/RustGo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking cdqz2014/RustGo against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdqz2014%2FRustGo" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cdqz2014/RustGo on toolchain b4fc5dbf0bc33be331f9d893db5b3a794f29724a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cdqz2014/RustGo
[INFO] finished tweaking git repo https://github.com/cdqz2014/RustGo
[INFO] tweaked toml for git repo https://github.com/cdqz2014/RustGo written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/cdqz2014/RustGo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a305552435f6bb90494722c83273db83005c4b96e5a4ef1fb0e9d73fc495eadb
[INFO] running `Command { std: "docker" "start" "-a" "a305552435f6bb90494722c83273db83005c4b96e5a4ef1fb0e9d73fc495eadb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a305552435f6bb90494722c83273db83005c4b96e5a4ef1fb0e9d73fc495eadb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a305552435f6bb90494722c83273db83005c4b96e5a4ef1fb0e9d73fc495eadb", kill_on_drop: false }`
[INFO] [stdout] a305552435f6bb90494722c83273db83005c4b96e5a4ef1fb0e9d73fc495eadb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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 -Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c84c8ff2c9b16cdc1746d6d481540e1924d0330110edd6702329156e2d2dac69
[INFO] running `Command { std: "docker" "start" "-a" "c84c8ff2c9b16cdc1746d6d481540e1924d0330110edd6702329156e2d2dac69", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking Go v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/go_board.rs:141:22
[INFO] [stdout]     |
[INFO] [stdout] 141 |             for i in 1..newly_connected_groups_indexes.len() {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeInclusive` range syntax
[INFO] [stdout]    --> src/go_board.rs:173:19
[INFO] [stdout]     |
[INFO] [stdout] 173 |         for y in (1..=y_max).rev() {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeInclusive` range syntax
[INFO] [stdout]    --> src/go_board.rs:176:22
[INFO] [stdout]     |
[INFO] [stdout] 176 |             for x in 1..=x_max {
[INFO] [stdout]     |                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeInclusive` range syntax
[INFO] [stdout]    --> src/go_board.rs:201:25
[INFO] [stdout]     |
[INFO] [stdout] 201 |         for row_char in b'a'..=b's' { // print the row label as alphabet by the integer representation of utf-8 symbols
[INFO] [stdout]     |                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeInclusive` range syntax
[INFO] [stdout]   --> src/gen_move.rs:20:53
[INFO] [stdout]    |
[INFO] [stdout] 20 |             let pos = Position { row: rng.gen_range(1..=board_size.0), col: rng.gen_range(1..=board_size.1)};
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeInclusive` range syntax
[INFO] [stdout]   --> src/gen_move.rs:20:91
[INFO] [stdout]    |
[INFO] [stdout] 20 |             let pos = Position { row: rng.gen_range(1..=board_size.0), col: rng.gen_range(1..=board_size.1)};
[INFO] [stdout]    |                                                                                           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/go_board.rs:141:22
[INFO] [stdout]     |
[INFO] [stdout] 141 |             for i in 1..newly_connected_groups_indexes.len() {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeInclusive` range syntax
[INFO] [stdout]    --> src/go_board.rs:173:19
[INFO] [stdout]     |
[INFO] [stdout] 173 |         for y in (1..=y_max).rev() {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeInclusive` range syntax
[INFO] [stdout]    --> src/go_board.rs:176:22
[INFO] [stdout]     |
[INFO] [stdout] 176 |             for x in 1..=x_max {
[INFO] [stdout]     |                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeInclusive` range syntax
[INFO] [stdout]    --> src/go_board.rs:201:25
[INFO] [stdout]     |
[INFO] [stdout] 201 |         for row_char in b'a'..=b's' { // print the row label as alphabet by the integer representation of utf-8 symbols
[INFO] [stdout]     |                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeInclusive` range syntax
[INFO] [stdout]   --> src/gen_move.rs:20:53
[INFO] [stdout]    |
[INFO] [stdout] 20 |             let pos = Position { row: rng.gen_range(1..=board_size.0), col: rng.gen_range(1..=board_size.1)};
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeInclusive` range syntax
[INFO] [stdout]   --> src/gen_move.rs:20:91
[INFO] [stdout]    |
[INFO] [stdout] 20 |             let pos = Position { row: rng.gen_range(1..=board_size.0), col: rng.gen_range(1..=board_size.1)};
[INFO] [stdout]    |                                                                                           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Go` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `go`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Go` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `go`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "c84c8ff2c9b16cdc1746d6d481540e1924d0330110edd6702329156e2d2dac69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c84c8ff2c9b16cdc1746d6d481540e1924d0330110edd6702329156e2d2dac69", kill_on_drop: false }`
[INFO] [stdout] c84c8ff2c9b16cdc1746d6d481540e1924d0330110edd6702329156e2d2dac69