[INFO] cloning repository https://github.com/aveminus/wikibar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aveminus/wikibar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faveminus%2Fwikibar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faveminus%2Fwikibar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 52af87e175507001eabd04bcdfc3d13be312be1c
[INFO] checking aveminus/wikibar against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faveminus%2Fwikibar" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aveminus/wikibar on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aveminus/wikibar
[INFO] finished tweaking git repo https://github.com/aveminus/wikibar
[INFO] tweaked toml for git repo https://github.com/aveminus/wikibar written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/aveminus/wikibar already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-6/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "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 getopts v0.2.21
[INFO] [stderr]   Downloaded curl v0.3.11
[INFO] [stderr]   Downloaded serde_json v0.7.4
[INFO] [stderr]   Downloaded curl-sys v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0bfdce1dcf6ec8e643d260ad85e1637a2fd1d5bb6a5a62389819942463464559
[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" "0bfdce1dcf6ec8e643d260ad85e1637a2fd1d5bb6a5a62389819942463464559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bfdce1dcf6ec8e643d260ad85e1637a2fd1d5bb6a5a62389819942463464559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bfdce1dcf6ec8e643d260ad85e1637a2fd1d5bb6a5a62389819942463464559", kill_on_drop: false }`
[INFO] [stdout] 0bfdce1dcf6ec8e643d260ad85e1637a2fd1d5bb6a5a62389819942463464559
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67e2210d6825b23bd2b588769153fa87e8b0a49c462662031741be3859732bb9
[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" "67e2210d6825b23bd2b588769153fa87e8b0a49c462662031741be3859732bb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]     Checking serde v0.7.15
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling openssl-sys v0.7.17
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling curl-sys v0.2.5
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking serde_json v0.7.4
[INFO] [stderr]     Checking curl v0.3.11
[INFO] [stderr]     Checking wikibar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `rel`
[INFO] [stdout]   --> src/main.rs:71:14
[INFO] [stdout]    |
[INFO] [stdout] 71 |         for (rel, page) in pages.iter() {
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_rel`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rel`
[INFO] [stdout]   --> src/main.rs:71:14
[INFO] [stdout]    |
[INFO] [stdout] 71 |         for (rel, page) in pages.iter() {
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_rel`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 3m 38s
[INFO] running `Command { std: "docker" "inspect" "67e2210d6825b23bd2b588769153fa87e8b0a49c462662031741be3859732bb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67e2210d6825b23bd2b588769153fa87e8b0a49c462662031741be3859732bb9", kill_on_drop: false }`
[INFO] [stdout] 67e2210d6825b23bd2b588769153fa87e8b0a49c462662031741be3859732bb9