[INFO] cloning repository https://github.com/mz2212/idlepaste
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mz2212/idlepaste" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmz2212%2Fidlepaste", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmz2212%2Fidlepaste'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bfe4ab228a28d2bafad5d5df1545080a1443356c
[INFO] checking mz2212/idlepaste against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmz2212%2Fidlepaste" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mz2212/idlepaste on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mz2212/idlepaste
[INFO] finished tweaking git repo https://github.com/mz2212/idlepaste
[INFO] tweaked toml for git repo https://github.com/mz2212/idlepaste written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/mz2212/idlepaste already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded openssl v0.10.23
[INFO] [stderr]   Downloaded backtrace v0.3.30
[INFO] [stderr]   Downloaded hyper v0.12.30
[INFO] [stderr]   Downloaded tokio-trace-core v0.2.0
[INFO] [stderr]   Downloaded tokio v0.1.21
[INFO] [stderr]   Downloaded string v0.2.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.47
[INFO] [stderr]   Downloaded reqwest v0.9.18
[INFO] [stderr]   Downloaded tempfile v3.0.8
[INFO] [stderr]   Downloaded syn v0.15.36
[INFO] [stderr]   Downloaded h2 v0.1.24
[INFO] [stderr]   Downloaded futures v0.1.27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a45b024e79342ba384971dd679a43d4695e1fd53e0d7216b51fffd2acaa28802
[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" "a45b024e79342ba384971dd679a43d4695e1fd53e0d7216b51fffd2acaa28802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a45b024e79342ba384971dd679a43d4695e1fd53e0d7216b51fffd2acaa28802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a45b024e79342ba384971dd679a43d4695e1fd53e0d7216b51fffd2acaa28802", kill_on_drop: false }`
[INFO] [stdout] a45b024e79342ba384971dd679a43d4695e1fd53e0d7216b51fffd2acaa28802
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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] 3c5c44971135a30bd8de296d63cf285b87064949c2298047fd89c734303bd504
[INFO] running `Command { std: "docker" "start" "-a" "3c5c44971135a30bd8de296d63cf285b87064949c2298047fd89c734303bd504", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]     Checking tokio v0.1.21
[INFO] [stderr]     Checking publicsuffix v1.5.2
[INFO] [stderr]     Checking flate2 v1.0.9
[INFO] [stderr]    Compiling string_cache v0.6.2
[INFO] [stderr]    Compiling markup5ever v0.3.2
[INFO] [stderr]     Checking hyper v0.12.30
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking serde v1.0.92
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking html5ever v0.18.0
[INFO] [stderr]     Checking reqwest v0.9.18
[INFO] [stderr]     Checking select v0.4.2
[INFO] [stderr]     Checking idlepaste v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let mut dom = Document::from(body.as_str());
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let mut dom = Document::from(body.as_str());
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.56s
[INFO] running `Command { std: "docker" "inspect" "3c5c44971135a30bd8de296d63cf285b87064949c2298047fd89c734303bd504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c5c44971135a30bd8de296d63cf285b87064949c2298047fd89c734303bd504", kill_on_drop: false }`
[INFO] [stdout] 3c5c44971135a30bd8de296d63cf285b87064949c2298047fd89c734303bd504