[INFO] cloning repository https://github.com/sum12/rs9p
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sum12/rs9p" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsum12%2Frs9p", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsum12%2Frs9p'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 510bef12938ea0208a90da2fed072eef0270de92
[INFO] checking sum12/rs9p against try#d8a5ee01b913730aca7ab44c72c8f2722c0533ff for pr-139022
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsum12%2Frs9p" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sum12/rs9p on toolchain d8a5ee01b913730aca7ab44c72c8f2722c0533ff
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8a5ee01b913730aca7ab44c72c8f2722c0533ff" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sum12/rs9p
[INFO] finished tweaking git repo https://github.com/sum12/rs9p
[INFO] tweaked toml for git repo https://github.com/sum12/rs9p written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sum12/rs9p already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8a5ee01b913730aca7ab44c72c8f2722c0533ff" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+d8a5ee01b913730aca7ab44c72c8f2722c0533ff" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de517cd01b23690d91f9fb9b2092787362cf232d55945be8ed2c2a29bd5b5d81
[INFO] running `Command { std: "docker" "start" "-a" "de517cd01b23690d91f9fb9b2092787362cf232d55945be8ed2c2a29bd5b5d81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de517cd01b23690d91f9fb9b2092787362cf232d55945be8ed2c2a29bd5b5d81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de517cd01b23690d91f9fb9b2092787362cf232d55945be8ed2c2a29bd5b5d81", kill_on_drop: false }`
[INFO] [stdout] de517cd01b23690d91f9fb9b2092787362cf232d55945be8ed2c2a29bd5b5d81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+d8a5ee01b913730aca7ab44c72c8f2722c0533ff" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de9ff86a7a03dd791b1fcf84013d5d6ec9c1272f5605e4ce0a1ce490cafe055c
[INFO] running `Command { std: "docker" "start" "-a" "de9ff86a7a03dd791b1fcf84013d5d6ec9c1272f5605e4ce0a1ce490cafe055c", kill_on_drop: false }`
[INFO] [stderr]     Checking proto v0.1.0 (/opt/rustwide/workdir/proto)
[INFO] [stdout] warning: unused import: `crate::qid`
[INFO] [stdout]  --> proto/src/write.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::qid;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::qid`
[INFO] [stdout]  --> proto/src/read.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::qid;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking client v0.1.0 (/opt/rustwide/workdir/client)
[INFO] [stdout] warning: unused import: `std::rc`
[INFO] [stdout]  --> client/src/file.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::rc;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> client/src/file.rs:15:25
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> client/src/file.rs:91:45
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 Some(proto::Message::RError(x)) => {
[INFO] [stdout]    |                                             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> client/src/file.rs:97:29
[INFO] [stdout]    |
[INFO] [stdout] 97 |                     let (_, p) = p.split_at(x.count as usize);
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> client/src/file.rs:66:40
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn twrite(&mut self, buf: Vec<u8>, offset: u64) -> Result<u32, String> {
[INFO] [stdout]    |                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `twrite` is never used
[INFO] [stdout]   --> client/src/file.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | impl File<'_> {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 66 |     fn twrite(&mut self, buf: Vec<u8>, offset: u64) -> Result<u32, String> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rs9p v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/main.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |         Ok(c) => {
[INFO] [stdout]    |            ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/main.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |         Ok(c) => {
[INFO] [stdout]    |            ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "de9ff86a7a03dd791b1fcf84013d5d6ec9c1272f5605e4ce0a1ce490cafe055c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de9ff86a7a03dd791b1fcf84013d5d6ec9c1272f5605e4ce0a1ce490cafe055c", kill_on_drop: false }`
[INFO] [stdout] de9ff86a7a03dd791b1fcf84013d5d6ec9c1272f5605e4ce0a1ce490cafe055c