[INFO] cloning repository https://github.com/PsichiX/rust-maze-solver-benchmark
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PsichiX/rust-maze-solver-benchmark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPsichiX%2Frust-maze-solver-benchmark", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPsichiX%2Frust-maze-solver-benchmark'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9470fae37e1c66cca95d29c752be2b23ff5ee65f
[INFO] checking PsichiX/rust-maze-solver-benchmark against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPsichiX%2Frust-maze-solver-benchmark" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PsichiX/rust-maze-solver-benchmark on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PsichiX/rust-maze-solver-benchmark
[INFO] finished tweaking git repo https://github.com/PsichiX/rust-maze-solver-benchmark
[INFO] tweaked toml for git repo https://github.com/PsichiX/rust-maze-solver-benchmark written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/PsichiX/rust-maze-solver-benchmark already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] def958eb29585ed8f89546d38bae1fd8c6154176f85fd2f0b15f6b6f0b30fcba
[INFO] running `Command { std: "docker" "start" "-a" "def958eb29585ed8f89546d38bae1fd8c6154176f85fd2f0b15f6b6f0b30fcba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "def958eb29585ed8f89546d38bae1fd8c6154176f85fd2f0b15f6b6f0b30fcba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "def958eb29585ed8f89546d38bae1fd8c6154176f85fd2f0b15f6b6f0b30fcba", kill_on_drop: false }`
[INFO] [stdout] def958eb29585ed8f89546d38bae1fd8c6154176f85fd2f0b15f6b6f0b30fcba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 446e64ecc03b72194ad0aaa50708d63fe5c878117ddd0da1bb3785830b293bf6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "446e64ecc03b72194ad0aaa50708d63fe5c878117ddd0da1bb3785830b293bf6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rust-maze-solver-benchmark v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `read_to_string` in this scope
[INFO] [stdout]    --> src/benchmarks/petgraph.rs:185:22
[INFO] [stdout]     |
[INFO] [stdout] 185 |         let source = read_to_string("./resources/maze.txt").unwrap();
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 181 |     use crate::read_to_string;
[INFO] [stdout]     |
[INFO] [stdout] 181 |     use std::fs::read_to_string;
[INFO] [stdout]     |
[INFO] [stdout] 181 |     use std::io::read_to_string;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `load_maze` in this scope
[INFO] [stdout]    --> src/benchmarks/petgraph.rs:186:20
[INFO] [stdout]     |
[INFO] [stdout] 186 |         let maze = load_maze("./resources/maze.txt");
[INFO] [stdout]     |                    ^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]     |
[INFO] [stdout] 181 |     use crate::load_maze;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/benchmarks/petgraph.rs:181:9
[INFO] [stdout]     |
[INFO] [stdout] 181 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-maze-solver-benchmark`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "446e64ecc03b72194ad0aaa50708d63fe5c878117ddd0da1bb3785830b293bf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "446e64ecc03b72194ad0aaa50708d63fe5c878117ddd0da1bb3785830b293bf6", kill_on_drop: false }`
[INFO] [stdout] 446e64ecc03b72194ad0aaa50708d63fe5c878117ddd0da1bb3785830b293bf6