[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] testing sum12/rs9p against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsum12%2Frs9p" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sum12/rs9p on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-11/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: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88c4f27af8df2c23ae8c986781c8e7ce4d1f86760a7bc6fe5bee8bc1cc1ddb7b
[INFO] running `Command { std: "docker" "start" "-a" "88c4f27af8df2c23ae8c986781c8e7ce4d1f86760a7bc6fe5bee8bc1cc1ddb7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88c4f27af8df2c23ae8c986781c8e7ce4d1f86760a7bc6fe5bee8bc1cc1ddb7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88c4f27af8df2c23ae8c986781c8e7ce4d1f86760a7bc6fe5bee8bc1cc1ddb7b", kill_on_drop: false }`
[INFO] [stdout] 88c4f27af8df2c23ae8c986781c8e7ce4d1f86760a7bc6fe5bee8bc1cc1ddb7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 224a8e9b9eab996a6d17c3541700eb56f946196bd3821127bb79956fb10323df
[INFO] running `Command { std: "docker" "start" "-a" "224a8e9b9eab996a6d17c3541700eb56f946196bd3821127bb79956fb10323df", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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]    Compiling 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: 2 warnings emitted
[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: associated function is never used: `twrite`
[INFO] [stdout]   --> client/src/file.rs:66:8
[INFO] [stdout]    |
[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] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `Command { std: "docker" "inspect" "224a8e9b9eab996a6d17c3541700eb56f946196bd3821127bb79956fb10323df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "224a8e9b9eab996a6d17c3541700eb56f946196bd3821127bb79956fb10323df", kill_on_drop: false }`
[INFO] [stdout] 224a8e9b9eab996a6d17c3541700eb56f946196bd3821127bb79956fb10323df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0ba6b6636523967520bb211de05e68f5852c83cffbe9e81da21ac9103a63753
[INFO] running `Command { std: "docker" "start" "-a" "a0ba6b6636523967520bb211de05e68f5852c83cffbe9e81da21ac9103a63753", kill_on_drop: false }`
[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] [stderr]    Compiling rs9p v0.1.0 (/opt/rustwide/workdir)
[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] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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: associated function is never used: `twrite`
[INFO] [stdout]   --> client/src/file.rs:66:8
[INFO] [stdout]    |
[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] [stdout] warning: 6 warnings emitted
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "a0ba6b6636523967520bb211de05e68f5852c83cffbe9e81da21ac9103a63753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0ba6b6636523967520bb211de05e68f5852c83cffbe9e81da21ac9103a63753", kill_on_drop: false }`
[INFO] [stdout] a0ba6b6636523967520bb211de05e68f5852c83cffbe9e81da21ac9103a63753
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e8e36c6a92130c880887fc6bff96cbb2ead9f9221c6d0086ccef490b3b8f4c6b
[INFO] running `Command { std: "docker" "start" "-a" "e8e36c6a92130c880887fc6bff96cbb2ead9f9221c6d0086ccef490b3b8f4c6b", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `crate::qid`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> proto/src/write.rs:3:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 3 | use crate::qid;
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::qid`
[INFO] [stderr]  --> proto/src/read.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::qid;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `proto` (lib) generated 2 warnings
[INFO] [stderr] warning: unused import: `std::rc`
[INFO] [stderr]  --> client/src/file.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::rc;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]   --> client/src/file.rs:15:25
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
[INFO] [stderr]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> client/src/file.rs:91:45
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 Some(proto::Message::RError(x)) => {
[INFO] [stderr]    |                                             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]   --> client/src/file.rs:97:29
[INFO] [stderr]    |
[INFO] [stderr] 97 |                     let (_, p) = p.split_at(x.count as usize);
[INFO] [stderr]    |                             ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `offset`
[INFO] [stderr]   --> client/src/file.rs:66:40
[INFO] [stderr]    |
[INFO] [stderr] 66 |     fn twrite(&mut self, buf: Vec<u8>, offset: u64) -> Result<u32, String> {
[INFO] [stderr]    |                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `twrite`
[INFO] [stderr]   --> client/src/file.rs:66:8
[INFO] [stderr]    |
[INFO] [stderr] 66 |     fn twrite(&mut self, buf: Vec<u8>, offset: u64) -> Result<u32, String> {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `client` (lib) generated 6 warnings
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/main.rs:54:12
[INFO] [stderr]    |
[INFO] [stderr] 54 |         Ok(c) => {
[INFO] [stderr]    |            ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rs9p` (bin "rs9p" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rs9p-771f30ce97686365)
[INFO] running `Command { std: "docker" "inspect" "e8e36c6a92130c880887fc6bff96cbb2ead9f9221c6d0086ccef490b3b8f4c6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8e36c6a92130c880887fc6bff96cbb2ead9f9221c6d0086ccef490b3b8f4c6b", kill_on_drop: false }`
[INFO] [stdout] e8e36c6a92130c880887fc6bff96cbb2ead9f9221c6d0086ccef490b3b8f4c6b