[INFO] cloning repository https://github.com/Kay-cwc/rust-distributed-file-system
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kay-cwc/rust-distributed-file-system" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKay-cwc%2Frust-distributed-file-system", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKay-cwc%2Frust-distributed-file-system'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 25deae446f998591e51b00e2ff459bc21451d2e7
[INFO] checking Kay-cwc/rust-distributed-file-system/25deae446f998591e51b00e2ff459bc21451d2e7 against master#a3f76a26e045a760bb1163b7eab36872985242d5 for pr-130930
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKay-cwc%2Frust-distributed-file-system" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kay-cwc/rust-distributed-file-system on toolchain a3f76a26e045a760bb1163b7eab36872985242d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Kay-cwc/rust-distributed-file-system
[INFO] finished tweaking git repo https://github.com/Kay-cwc/rust-distributed-file-system
[INFO] tweaked toml for git repo https://github.com/Kay-cwc/rust-distributed-file-system written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Kay-cwc/rust-distributed-file-system 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" "+a3f76a26e045a760bb1163b7eab36872985242d5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a4ee2276eebc27947369b126a848bf4ed16a5e63e0891e48abbdf9d0203b49b
[INFO] running `Command { std: "docker" "start" "-a" "7a4ee2276eebc27947369b126a848bf4ed16a5e63e0891e48abbdf9d0203b49b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a4ee2276eebc27947369b126a848bf4ed16a5e63e0891e48abbdf9d0203b49b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a4ee2276eebc27947369b126a848bf4ed16a5e63e0891e48abbdf9d0203b49b", kill_on_drop: false }`
[INFO] [stdout] 7a4ee2276eebc27947369b126a848bf4ed16a5e63e0891e48abbdf9d0203b49b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c34343e35fdf5e30b764656713e760b3f4c2aae6a257cc90504c4d85b142e0d2
[INFO] running `Command { std: "docker" "start" "-a" "c34343e35fdf5e30b764656713e760b3f4c2aae6a257cc90504c4d85b142e0d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking rust-distributed-file v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::char::MAX`
[INFO] [stdout]  --> src/transport/tcp.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::char::MAX;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::char::MAX`
[INFO] [stdout]  --> src/transport/tcp.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::char::MAX;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/transport/tcp.rs:229:25
[INFO] [stdout]     |
[INFO] [stdout] 228 |                         panic!("Error connecting to {}: {}", addr, e);
[INFO] [stdout]     |                         --------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 229 |                         return Err(e)
[INFO] [stdout]     |                         ^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/transport/tcp.rs:229:25
[INFO] [stdout]     |
[INFO] [stdout] 228 |                         panic!("Error connecting to {}: {}", addr, e);
[INFO] [stdout]     |                         --------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 229 |                         return Err(e)
[INFO] [stdout]     |                         ^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer`
[INFO] [stdout]    --> src/server/mod.rs:215:17
[INFO] [stdout]     |
[INFO] [stdout] 215 |             let peer = match self.peers.read().unwrap().get(&from) {
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_peer`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer`
[INFO] [stdout]    --> src/server/mod.rs:215:17
[INFO] [stdout]     |
[INFO] [stdout] 215 |             let peer = match self.peers.read().unwrap().get(&from) {
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_peer`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.00s
[INFO] running `Command { std: "docker" "inspect" "c34343e35fdf5e30b764656713e760b3f4c2aae6a257cc90504c4d85b142e0d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c34343e35fdf5e30b764656713e760b3f4c2aae6a257cc90504c4d85b142e0d2", kill_on_drop: false }`
[INFO] [stdout] c34343e35fdf5e30b764656713e760b3f4c2aae6a257cc90504c4d85b142e0d2