[INFO] cloning repository https://github.com/christheblog/graph-commands
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/christheblog/graph-commands" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristheblog%2Fgraph-commands", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristheblog%2Fgraph-commands'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8eb768dbb81931a57097df8f39892927410333fb
[INFO] checking christheblog/graph-commands against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristheblog%2Fgraph-commands" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/christheblog/graph-commands on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/christheblog/graph-commands
[INFO] finished tweaking git repo https://github.com/christheblog/graph-commands
[INFO] tweaked toml for git repo https://github.com/christheblog/graph-commands written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/christheblog/graph-commands already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c2f2e9125a16c900dd90a424c1e14f432639a1767cf72086a786f600ee41cc2
[INFO] running `Command { std: "docker" "start" "-a" "4c2f2e9125a16c900dd90a424c1e14f432639a1767cf72086a786f600ee41cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c2f2e9125a16c900dd90a424c1e14f432639a1767cf72086a786f600ee41cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c2f2e9125a16c900dd90a424c1e14f432639a1767cf72086a786f600ee41cc2", kill_on_drop: false }`
[INFO] [stdout] 4c2f2e9125a16c900dd90a424c1e14f432639a1767cf72086a786f600ee41cc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f17d073fd6ef5708e84993e5917b9b2a3c41d5a183cab38933241f16b59cc0f
[INFO] running `Command { std: "docker" "start" "-a" "1f17d073fd6ef5708e84993e5917b9b2a3c41d5a183cab38933241f16b59cc0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.3.5
[INFO] [stderr]     Checking gc-core v0.1.0 (/opt/rustwide/workdir/core)
[INFO] [stderr]     Checking gc-command v0.1.0 (/opt/rustwide/workdir/command)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> command/src/graph_utils.rs:60:35
[INFO] [stdout]    |
[INFO] [stdout] 60 |         Err(io_err) => Err(io_err.description().to_string()),
[INFO] [stdout]    |                                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `OVERALL_SCORE`
[INFO] [stdout]  --> command/src/path_formatter.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | const OVERALL_SCORE: &str = "{score}";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `OVERALL_SCORE_SHORT`
[INFO] [stdout]  --> command/src/path_formatter.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const OVERALL_SCORE_SHORT: &str = "%S";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NODE_ID`
[INFO] [stdout]  --> command/src/path_formatter.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | const NODE_ID: &str = "{id}";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NODE_ID_SHORT`
[INFO] [stdout]  --> command/src/path_formatter.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const NODE_ID_SHORT: &str = "%i";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `REPEAT`
[INFO] [stdout]  --> command/src/path_formatter.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | const REPEAT: &str = "...";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> command/src/graph_utils.rs:60:35
[INFO] [stdout]    |
[INFO] [stdout] 60 |         Err(io_err) => Err(io_err.description().to_string()),
[INFO] [stdout]    |                                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `OVERALL_SCORE`
[INFO] [stdout]  --> command/src/path_formatter.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | const OVERALL_SCORE: &str = "{score}";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `OVERALL_SCORE_SHORT`
[INFO] [stdout]  --> command/src/path_formatter.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const OVERALL_SCORE_SHORT: &str = "%S";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NODE_ID`
[INFO] [stdout]  --> command/src/path_formatter.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | const NODE_ID: &str = "{id}";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NODE_ID_SHORT`
[INFO] [stdout]  --> command/src/path_formatter.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const NODE_ID_SHORT: &str = "%i";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `REPEAT`
[INFO] [stdout]  --> command/src/path_formatter.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | const REPEAT: &str = "...";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> command/src/bin/gc-csp.rs:242:33
[INFO] [stdout]     |
[INFO] [stdout] 242 |     use gc_core::search::a_star;;
[INFO] [stdout]     |                                 ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> command/src/bin/gc-csp.rs:242:33
[INFO] [stdout]     |
[INFO] [stdout] 242 |     use gc_core::search::a_star;;
[INFO] [stdout]     |                                 ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> command/src/bin/gc-random.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> command/src/bin/gc-random.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.67s
[INFO] running `Command { std: "docker" "inspect" "1f17d073fd6ef5708e84993e5917b9b2a3c41d5a183cab38933241f16b59cc0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f17d073fd6ef5708e84993e5917b9b2a3c41d5a183cab38933241f16b59cc0f", kill_on_drop: false }`
[INFO] [stdout] 1f17d073fd6ef5708e84993e5917b9b2a3c41d5a183cab38933241f16b59cc0f