[INFO] cloning repository https://github.com/Sundwalltanner/Rust-Nonogram
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sundwalltanner/Rust-Nonogram" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSundwalltanner%2FRust-Nonogram", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSundwalltanner%2FRust-Nonogram'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 626e5ced492878cf3e11dda1e12383f1bc8e1c9c
[INFO] checking Sundwalltanner/Rust-Nonogram against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSundwalltanner%2FRust-Nonogram" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Sundwalltanner/Rust-Nonogram on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Sundwalltanner/Rust-Nonogram
[INFO] finished tweaking git repo https://github.com/Sundwalltanner/Rust-Nonogram
[INFO] tweaked toml for git repo https://github.com/Sundwalltanner/Rust-Nonogram written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Sundwalltanner/Rust-Nonogram already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] e718504b473bdc4e6eec1ac3d8cd74cd7c543275938592ac4b615281d1acc04d
[INFO] running `Command { std: "docker" "start" "-a" "e718504b473bdc4e6eec1ac3d8cd74cd7c543275938592ac4b615281d1acc04d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e718504b473bdc4e6eec1ac3d8cd74cd7c543275938592ac4b615281d1acc04d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e718504b473bdc4e6eec1ac3d8cd74cd7c543275938592ac4b615281d1acc04d", kill_on_drop: false }`
[INFO] [stdout] e718504b473bdc4e6eec1ac3d8cd74cd7c543275938592ac4b615281d1acc04d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 202005648c30fb263837631fd0502b1d2cfab024a566821b5287db7a321b9851
[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" "202005648c30fb263837631fd0502b1d2cfab024a566821b5287db7a321b9851", kill_on_drop: false }`
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[INFO] [stderr]    Compiling xml-rs v0.8.0
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[INFO] [stderr]     Checking nonogram v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/nonogram_controller.rs:438:75
[INFO] [stdout]     |
[INFO] [stdout] 438 |                 Err(why) => panic!("couldn't create {}: {}", display, why.description()),
[INFO] [stdout]     |                                                                           ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/nonogram_controller.rs:458:77
[INFO] [stdout]     |
[INFO] [stdout] 458 |                 Err(why) => panic!("Couldn't write to {}: {}", display, why.description()),
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/nonogram_controller.rs:438:75
[INFO] [stdout]     |
[INFO] [stdout] 438 |                 Err(why) => panic!("couldn't create {}: {}", display, why.description()),
[INFO] [stdout]     |                                                                           ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/nonogram_controller.rs:458:77
[INFO] [stdout]     |
[INFO] [stdout] 458 |                 Err(why) => panic!("Couldn't write to {}: {}", display, why.description()),
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 13s
[INFO] running `Command { std: "docker" "inspect" "202005648c30fb263837631fd0502b1d2cfab024a566821b5287db7a321b9851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "202005648c30fb263837631fd0502b1d2cfab024a566821b5287db7a321b9851", kill_on_drop: false }`
[INFO] [stdout] 202005648c30fb263837631fd0502b1d2cfab024a566821b5287db7a321b9851
