[INFO] cloning repository https://github.com/FH0/stn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FH0/stn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFH0%2Fstn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFH0%2Fstn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40142e719b161efa2391b995164be76ad3f0d3ea
[INFO] documenting FH0/stn against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFH0%2Fstn" "/workspace/builds/worker-52/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-52/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FH0/stn on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FH0/stn
[INFO] finished tweaking git repo https://github.com/FH0/stn
[INFO] tweaked toml for git repo https://github.com/FH0/stn written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded json_comments v0.2.0
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[INFO] [stderr]   Downloaded lru v0.6.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11e4fe22d877f4fc9e15cb1d12a59c3cdee9ad6ee1543bf5849a6739eceee092
[INFO] running `Command { std: "docker" "start" "-a" "11e4fe22d877f4fc9e15cb1d12a59c3cdee9ad6ee1543bf5849a6739eceee092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11e4fe22d877f4fc9e15cb1d12a59c3cdee9ad6ee1543bf5849a6739eceee092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11e4fe22d877f4fc9e15cb1d12a59c3cdee9ad6ee1543bf5849a6739eceee092", kill_on_drop: false }`
[INFO] [stdout] 11e4fe22d877f4fc9e15cb1d12a59c3cdee9ad6ee1543bf5849a6739eceee092
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e167f09f087548ac9d2e4519067aa81bd17f038bc386373a7346add9fe1fb7ca
[INFO] running `Command { std: "docker" "start" "-a" "e167f09f087548ac9d2e4519067aa81bd17f038bc386373a7346add9fe1fb7ca", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking linked-hash-map v0.5.4
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[INFO] [stderr]     Checking arc-swap v0.4.8
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking treebitmap v0.4.0
[INFO] [stderr]     Checking json_comments v0.2.0
[INFO] [stderr]     Checking stn_buf v0.1.0 (/opt/rustwide/workdir/stn_buf)
[INFO] [stderr]  Documenting stn_buf v0.1.0 (/opt/rustwide/workdir/stn_buf)
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking etherparse v0.9.0
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking aho-corasick v0.7.18
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[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking serde-value v0.7.0
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking trust-dns-proto v0.20.3
[INFO] [stderr]     Checking log4rs v1.0.0
[INFO] [stderr]     Checking stn_http_proxy_server v0.1.0 (/opt/rustwide/workdir/stn_http_proxy_server)
[INFO] [stderr]     Checking stn_tun v0.1.0 (/opt/rustwide/workdir/stn_tun)
[INFO] [stderr]     Checking stn_tproxy v0.1.0 (/opt/rustwide/workdir/stn_tproxy)
[INFO] [stderr]  Documenting stn_tproxy v0.1.0 (/opt/rustwide/workdir/stn_tproxy)
[INFO] [stderr]  Documenting stn_tun v0.1.0 (/opt/rustwide/workdir/stn_tun)
[INFO] [stderr]  Documenting stn_http_proxy_server v0.1.0 (/opt/rustwide/workdir/stn_http_proxy_server)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> stn_tun/src/device.rs:52:51
[INFO] [stdout]    |
[INFO] [stdout] 52 |     if unsafe { libc::ioctl(tun_file.as_raw_fd(), TUNSETIFF, &mut req) == -1 } {
[INFO] [stdout]    |                                                   ^^^^^^^^^ expected `u64`, found `i32`
[INFO] [stdout]    |
[INFO] [stdout] note: return type inferred to be `u64` here
[INFO] [stdout]   --> stn_tun/src/device.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 | /                 Err(io::Error::new(
[INFO] [stdout] 26 | |                     io::ErrorKind::NotFound,
[INFO] [stdout] 27 | |                     "tun device path not found",
[INFO] [stdout] 28 | |                 ))?
[INFO] [stdout]    | |___________________^
[INFO] [stdout] help: you can convert an `i32` to a `u64` and panic if the converted value doesn't fit
[INFO] [stdout]    |
[INFO] [stdout] 52 |     if unsafe { libc::ioctl(tun_file.as_raw_fd(), TUNSETIFF.try_into().unwrap(), &mut req) == -1 } {
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stn_tun` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e167f09f087548ac9d2e4519067aa81bd17f038bc386373a7346add9fe1fb7ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e167f09f087548ac9d2e4519067aa81bd17f038bc386373a7346add9fe1fb7ca", kill_on_drop: false }`
[INFO] [stdout] e167f09f087548ac9d2e4519067aa81bd17f038bc386373a7346add9fe1fb7ca
