[INFO] fetching crate mini_markdown 0.1.5...
[INFO] checking mini_markdown-0.1.5 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] extracting crate mini_markdown 0.1.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mini_markdown 0.1.5 on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mini_markdown 0.1.5
[INFO] finished tweaking crates.io crate mini_markdown 0.1.5
[INFO] tweaked toml for crates.io crate mini_markdown 0.1.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 517ae77e2d6ed7d4d117f8d60b3c17ea47d69a156e4edda6e1bdfdbd7f3f111d
[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" "517ae77e2d6ed7d4d117f8d60b3c17ea47d69a156e4edda6e1bdfdbd7f3f111d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "517ae77e2d6ed7d4d117f8d60b3c17ea47d69a156e4edda6e1bdfdbd7f3f111d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "517ae77e2d6ed7d4d117f8d60b3c17ea47d69a156e4edda6e1bdfdbd7f3f111d", kill_on_drop: false }`
[INFO] [stdout] 517ae77e2d6ed7d4d117f8d60b3c17ea47d69a156e4edda6e1bdfdbd7f3f111d
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 6c91ddd166fe44dfa50d6a7488347ed9e9e6a2f07bcb56901164824df64a20b8
[INFO] running `Command { std: "docker" "start" "-a" "6c91ddd166fe44dfa50d6a7488347ed9e9e6a2f07bcb56901164824df64a20b8", kill_on_drop: false }`
[INFO] [stderr]     Checking mini_markdown v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `id` is never read
[INFO] [stdout]    --> src/lib.rs:164:25
[INFO] [stdout]     |
[INFO] [stdout] 164 |                 let mut id = String::new();
[INFO] [stdout]     |                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `id` is never read
[INFO] [stdout]    --> src/lib.rs:164:25
[INFO] [stdout]     |
[INFO] [stdout] 164 |                 let mut id = String::new();
[INFO] [stdout]     |                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[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] [stdout] warning: unused import: `mini_markdown::lex`
[INFO] [stdout]  --> tests/e2e.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use mini_markdown::lex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]   --> tests/e2e.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 | use std::fs;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "6c91ddd166fe44dfa50d6a7488347ed9e9e6a2f07bcb56901164824df64a20b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c91ddd166fe44dfa50d6a7488347ed9e9e6a2f07bcb56901164824df64a20b8", kill_on_drop: false }`
[INFO] [stdout] 6c91ddd166fe44dfa50d6a7488347ed9e9e6a2f07bcb56901164824df64a20b8