[INFO] cloning repository https://github.com/zolotaya-ruda/rust_grabber [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zolotaya-ruda/rust_grabber" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzolotaya-ruda%2Frust_grabber", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzolotaya-ruda%2Frust_grabber'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4f5e8b98e3d2fa71876bbbf0403dd8e0dd1e38ce [INFO] checking zolotaya-ruda/rust_grabber against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzolotaya-ruda%2Frust_grabber" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zolotaya-ruda/rust_grabber on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/zolotaya-ruda/rust_grabber [INFO] finished tweaking git repo https://github.com/zolotaya-ruda/rust_grabber [INFO] tweaked toml for git repo https://github.com/zolotaya-ruda/rust_grabber written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/zolotaya-ruda/rust_grabber 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7fdd1db7d59f6454ca81699f1c9393372991277e7cedd38bfa60949cfef1c9c8 [INFO] running `Command { std: "docker" "start" "-a" "7fdd1db7d59f6454ca81699f1c9393372991277e7cedd38bfa60949cfef1c9c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7fdd1db7d59f6454ca81699f1c9393372991277e7cedd38bfa60949cfef1c9c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7fdd1db7d59f6454ca81699f1c9393372991277e7cedd38bfa60949cfef1c9c8", kill_on_drop: false }` [INFO] [stdout] 7fdd1db7d59f6454ca81699f1c9393372991277e7cedd38bfa60949cfef1c9c8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 481dad6e14e0b1881b6e5ebd0e135cd86dec6bd3a07e80947659027748768b1a [INFO] running `Command { std: "docker" "start" "-a" "481dad6e14e0b1881b6e5ebd0e135cd86dec6bd3a07e80947659027748768b1a", kill_on_drop: false }` [INFO] [stderr] Compiling pkg-config v0.3.25 [INFO] [stderr] Compiling tokio v1.21.1 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling openssl v0.10.41 [INFO] [stderr] Compiling futures-util v0.3.24 [INFO] [stderr] Compiling indexmap v1.9.1 [INFO] [stderr] Compiling serde v1.0.144 [INFO] [stderr] Compiling futures-channel v0.3.24 [INFO] [stderr] Compiling native-tls v0.2.10 [INFO] [stderr] Checking tinyvec v1.6.0 [INFO] [stderr] Checking openssl-probe v0.1.5 [INFO] [stderr] Checking form_urlencoded v1.1.0 [INFO] [stderr] Checking unicode-bidi v0.3.8 [INFO] [stderr] Checking ipnet v2.5.0 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking mio v0.8.4 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Compiling openssl-sys v0.9.75 [INFO] [stderr] Checking unicode-normalization v0.1.22 [INFO] [stderr] Checking idna v0.3.0 [INFO] [stderr] Checking url v2.3.1 [INFO] [stderr] Compiling openssl-macros v0.1.0 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking serde_json v1.0.85 [INFO] [stderr] Checking tokio-util v0.7.4 [INFO] [stderr] Checking h2 v0.3.14 [INFO] [stderr] Checking tokio-native-tls v0.3.0 [INFO] [stderr] Checking hyper v0.14.20 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking reqwest v0.11.11 [INFO] [stderr] Checking client1 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Error` [INFO] [stdout] --> src/client.rs:2:28 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::{Read, Write, Error}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str::FromStr` [INFO] [stdout] --> src/client.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::str::FromStr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Error` [INFO] [stdout] --> src/client.rs:2:28 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::{Read, Write, Error}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str::FromStr` [INFO] [stdout] --> src/client.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::str::FromStr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `url` [INFO] [stdout] --> src/client.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | let url = format!("{}/ping", self.server_addr.clone()); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_url` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `url` [INFO] [stdout] --> src/client.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | let url = format!("{}/ping", self.server_addr.clone()); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_url` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg` [INFO] [stdout] --> src/client.rs:178:16 [INFO] [stdout] | [INFO] [stdout] 178 | Ok(msg) => self.answer_ls(), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg` [INFO] [stdout] --> src/client.rs:178:16 [INFO] [stdout] | [INFO] [stdout] 178 | Ok(msg) => self.answer_ls(), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> src/client.rs:195:13 [INFO] [stdout] | [INFO] [stdout] 195 | let res = client.post(url) [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> src/client.rs:195:13 [INFO] [stdout] | [INFO] [stdout] 195 | let res = client.post(url) [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> src/client.rs:247:13 [INFO] [stdout] | [INFO] [stdout] 247 | let res = client.post(url) [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> src/client.rs:247:13 [INFO] [stdout] | [INFO] [stdout] 247 | let res = client.post(url) [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `send_bytes` and `send_log` are never used [INFO] [stdout] --> src/client.rs:142:8 [INFO] [stdout] | [INFO] [stdout] 20 | impl Client { [INFO] [stdout] | ----------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 142 | fn send_bytes(&mut self){ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 146 | pub fn send_log(&mut self){ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/client.rs:31:38 [INFO] [stdout] | [INFO] [stdout] 31 | let victim_name = victim_name.clone(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `send_bytes` and `send_log` are never used [INFO] [stdout] --> src/client.rs:142:8 [INFO] [stdout] | [INFO] [stdout] 20 | impl Client { [INFO] [stdout] | ----------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 142 | fn send_bytes(&mut self){ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 146 | pub fn send_log(&mut self){ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/client.rs:31:38 [INFO] [stdout] | [INFO] [stdout] 31 | let victim_name = victim_name.clone(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/client.rs:67:17 [INFO] [stdout] | [INFO] [stdout] 67 | res.read(&mut buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 67 | let _ = res.read(&mut buf); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/client.rs:67:17 [INFO] [stdout] | [INFO] [stdout] 67 | res.read(&mut buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 67 | let _ = res.read(&mut buf); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `E` should have a snake case name [INFO] [stdout] --> src/dir_reader.rs:19:17 [INFO] [stdout] | [INFO] [stdout] 19 | Err(E) => {return Err(E)} [INFO] [stdout] | ^ help: convert the identifier to snake case: `e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `E` should have a snake case name [INFO] [stdout] --> src/dir_reader.rs:19:17 [INFO] [stdout] | [INFO] [stdout] 19 | Err(E) => {return Err(E)} [INFO] [stdout] | ^ help: convert the identifier to snake case: `e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `E` should have a snake case name [INFO] [stdout] --> src/dir_reader.rs:29:17 [INFO] [stdout] | [INFO] [stdout] 29 | Err(E) => {return Err(E)} [INFO] [stdout] | ^ help: convert the identifier to snake case: `e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `E` should have a snake case name [INFO] [stdout] --> src/dir_reader.rs:29:17 [INFO] [stdout] | [INFO] [stdout] 29 | Err(E) => {return Err(E)} [INFO] [stdout] | ^ help: convert the identifier to snake case: `e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.09s [INFO] running `Command { std: "docker" "inspect" "481dad6e14e0b1881b6e5ebd0e135cd86dec6bd3a07e80947659027748768b1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "481dad6e14e0b1881b6e5ebd0e135cd86dec6bd3a07e80947659027748768b1a", kill_on_drop: false }` [INFO] [stdout] 481dad6e14e0b1881b6e5ebd0e135cd86dec6bd3a07e80947659027748768b1a