[INFO] cloning repository https://github.com/Raunak-S/rs-tftp [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Raunak-S/rs-tftp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRaunak-S%2Frs-tftp", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRaunak-S%2Frs-tftp'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4cd4386fe51c0a98ee1a37109b80e15f9ef8d83e [INFO] checking Raunak-S/rs-tftp/4cd4386fe51c0a98ee1a37109b80e15f9ef8d83e against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRaunak-S%2Frs-tftp" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Raunak-S/rs-tftp on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Raunak-S/rs-tftp [INFO] finished tweaking git repo https://github.com/Raunak-S/rs-tftp [INFO] tweaked toml for git repo https://github.com/Raunak-S/rs-tftp written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Raunak-S/rs-tftp 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 73e8b14f5198f920c31ecead7b79c673153b7e810075634ebffa5266fc700789 [INFO] running `Command { std: "docker" "start" "-a" "73e8b14f5198f920c31ecead7b79c673153b7e810075634ebffa5266fc700789", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "73e8b14f5198f920c31ecead7b79c673153b7e810075634ebffa5266fc700789", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73e8b14f5198f920c31ecead7b79c673153b7e810075634ebffa5266fc700789", kill_on_drop: false }` [INFO] [stdout] 73e8b14f5198f920c31ecead7b79c673153b7e810075634ebffa5266fc700789 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 78a8da4cdc87b687bfcf3bc23e9af5e143ca81cd23494aebdda5ab1ab482c57a [INFO] running `Command { std: "docker" "start" "-a" "78a8da4cdc87b687bfcf3bc23e9af5e143ca81cd23494aebdda5ab1ab482c57a", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling libc v0.2.103 [INFO] [stderr] Compiling syn v1.0.80 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling structopt-derive v0.4.16 [INFO] [stderr] Checking structopt v0.3.23 [INFO] [stderr] Checking rs-tftp v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0596]: cannot borrow `*filename` as mutable, as it is behind a `&` reference [INFO] [stdout] --> src/main.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 55 | filename.push_str("\0"); [INFO] [stdout] | ^^^^^^^^ `filename` is a `&` reference, so the data it refers to cannot be borrowed as mutable [INFO] [stdout] | [INFO] [stdout] help: consider changing this to be a mutable reference [INFO] [stdout] | [INFO] [stdout] 54 | let filename = &mut *file; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0596]: cannot borrow `*filename` as mutable, as it is behind a `&` reference [INFO] [stdout] --> src/main.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 55 | filename.push_str("\0"); [INFO] [stdout] | ^^^^^^^^ `filename` is a `&` reference, so the data it refers to cannot be borrowed as mutable [INFO] [stdout] | [INFO] [stdout] help: consider changing this to be a mutable reference [INFO] [stdout] | [INFO] [stdout] 54 | let filename = &mut *file; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0596]: cannot borrow `*mode` as mutable, as it is behind a `&` reference [INFO] [stdout] --> src/main.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 56 | mode.push_str("\0"); [INFO] [stdout] | ^^^^ `mode` is a `&` reference, so the data it refers to cannot be borrowed as mutable [INFO] [stdout] | [INFO] [stdout] help: consider changing this to be a mutable reference [INFO] [stdout] | [INFO] [stdout] 52 | fn send_read_packet(args: &Cli, socket: &UdpSocket, file: &String, mode: &mut String) { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0596]: cannot borrow `*mode` as mutable, as it is behind a `&` reference [INFO] [stdout] --> src/main.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 56 | mode.push_str("\0"); [INFO] [stdout] | ^^^^ `mode` is a `&` reference, so the data it refers to cannot be borrowed as mutable [INFO] [stdout] | [INFO] [stdout] help: consider changing this to be a mutable reference [INFO] [stdout] | [INFO] [stdout] 52 | fn send_read_packet(args: &Cli, socket: &UdpSocket, file: &String, mode: &mut String) { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `argv` [INFO] [stdout] --> src/main.rs:120:22 [INFO] [stdout] | [INFO] [stdout] 120 | Cmd::Put(argv) => { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_argv` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `argv` [INFO] [stdout] --> src/main.rs:120:22 [INFO] [stdout] | [INFO] [stdout] 120 | Cmd::Put(argv) => { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_argv` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0596]: cannot borrow `filename` as mutable, as it is not declared as mutable [INFO] [stdout] --> src/main.rs:97:17 [INFO] [stdout] | [INFO] [stdout] 97 | filename.pop().unwrap(); [INFO] [stdout] | ^^^^^^^^ cannot borrow as mutable [INFO] [stdout] | [INFO] [stdout] help: consider changing this to be mutable [INFO] [stdout] | [INFO] [stdout] 93 | let mut filename = String::from(argv[0]); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0596]: cannot borrow `filename` as mutable, as it is not declared as mutable [INFO] [stdout] --> src/main.rs:97:17 [INFO] [stdout] | [INFO] [stdout] 97 | filename.pop().unwrap(); [INFO] [stdout] | ^^^^^^^^ cannot borrow as mutable [INFO] [stdout] | [INFO] [stdout] help: consider changing this to be mutable [INFO] [stdout] | [INFO] [stdout] 93 | let mut filename = String::from(argv[0]); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0596`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0596`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rs-tftp` (bin "rs-tftp") due to 4 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `rs-tftp` (bin "rs-tftp" test) due to 4 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "78a8da4cdc87b687bfcf3bc23e9af5e143ca81cd23494aebdda5ab1ab482c57a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78a8da4cdc87b687bfcf3bc23e9af5e143ca81cd23494aebdda5ab1ab482c57a", kill_on_drop: false }` [INFO] [stdout] 78a8da4cdc87b687bfcf3bc23e9af5e143ca81cd23494aebdda5ab1ab482c57a