[INFO] fetching crate mpdsh 0.1.0... [INFO] checking mpdsh-0.1.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] extracting crate mpdsh 0.1.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate mpdsh 0.1.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate mpdsh 0.1.0 [INFO] finished tweaking crates.io crate mpdsh 0.1.0 [INFO] tweaked toml for crates.io crate mpdsh 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate crates.io crate mpdsh 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded wildmatch v1.0.10 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 987be3074c6016f91a1491c565456735fef47a22c2daa7f3abc7cb641beecbfe [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "987be3074c6016f91a1491c565456735fef47a22c2daa7f3abc7cb641beecbfe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "987be3074c6016f91a1491c565456735fef47a22c2daa7f3abc7cb641beecbfe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "987be3074c6016f91a1491c565456735fef47a22c2daa7f3abc7cb641beecbfe", kill_on_drop: false }` [INFO] [stdout] 987be3074c6016f91a1491c565456735fef47a22c2daa7f3abc7cb641beecbfe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1a5d9064b5d8b2b1f6fb2f29d9ec3cb4e5f3b25b22898cc1b7bf7626cb0c0b18 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1a5d9064b5d8b2b1f6fb2f29d9ec3cb4e5f3b25b22898cc1b7bf7626cb0c0b18", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling syn v1.0.31 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking utf8parse v0.2.0 [INFO] [stderr] Checking wildmatch v1.0.10 [INFO] [stderr] Checking shell-words v1.0.0 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking dirs-sys-next v0.1.0 [INFO] [stderr] Checking nix v0.17.0 [INFO] [stderr] Checking dirs-next v1.0.1 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Compiling rustyline-derive v0.3.1 [INFO] [stderr] Checking rustyline v6.2.0 [INFO] [stderr] Checking mpdsh v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `arg_prog` [INFO] [stdout] --> src/main.rs:1329:9 [INFO] [stdout] | [INFO] [stdout] 1329 | let arg_prog = args[0].clone(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arg_prog` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arg_prog` [INFO] [stdout] --> src/main.rs:1329:9 [INFO] [stdout] | [INFO] [stdout] 1329 | let arg_prog = args[0].clone(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arg_prog` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `bin` [INFO] [stdout] --> src/main.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | , bin: Option> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `cmd_index` [INFO] [stdout] --> src/main.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | , cmd_index: i32 [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `cur_cmd` [INFO] [stdout] --> src/main.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 45 | , cur_cmd: Option [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `worker_handle` [INFO] [stdout] --> src/main.rs:81:5 [INFO] [stdout] | [INFO] [stdout] 81 | worker_handle: thread::JoinHandle<()> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `version` [INFO] [stdout] --> src/main.rs:84:5 [INFO] [stdout] | [INFO] [stdout] 84 | , version: String [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `hint_playlist` [INFO] [stdout] --> src/main.rs:646:8 [INFO] [stdout] | [INFO] [stdout] 646 | fn hint_playlist( &mut self ) -> Vec [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `PKG_AUTHORS` [INFO] [stdout] --> src/main.rs:1323:1 [INFO] [stdout] | [INFO] [stdout] 1323 | const PKG_AUTHORS: &'static str = env!("CARGO_PKG_AUTHORS"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:176:5 [INFO] [stdout] | [INFO] [stdout] 176 | wtx.send( [INFO] [stdout] | _________________^ [INFO] [stdout] 177 | | Ok( [INFO] [stdout] 178 | | ExecOk [INFO] [stdout] 179 | | { [INFO] [stdout] ... | [INFO] [stdout] 183 | | ) [INFO] [stdout] 184 | | ); [INFO] [stdout] | |__________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:310:17 [INFO] [stdout] | [INFO] [stdout] 310 | wtx.send( send ); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `bin` [INFO] [stdout] --> src/main.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | , bin: Option> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `cmd_index` [INFO] [stdout] --> src/main.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | , cmd_index: i32 [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `cur_cmd` [INFO] [stdout] --> src/main.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 45 | , cur_cmd: Option [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `worker_handle` [INFO] [stdout] --> src/main.rs:81:5 [INFO] [stdout] | [INFO] [stdout] 81 | worker_handle: thread::JoinHandle<()> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `version` [INFO] [stdout] --> src/main.rs:84:5 [INFO] [stdout] | [INFO] [stdout] 84 | , version: String [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `hint_playlist` [INFO] [stdout] --> src/main.rs:646:8 [INFO] [stdout] | [INFO] [stdout] 646 | fn hint_playlist( &mut self ) -> Vec [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `PKG_AUTHORS` [INFO] [stdout] --> src/main.rs:1323:1 [INFO] [stdout] | [INFO] [stdout] 1323 | const PKG_AUTHORS: &'static str = env!("CARGO_PKG_AUTHORS"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:176:5 [INFO] [stdout] | [INFO] [stdout] 176 | wtx.send( [INFO] [stdout] | _________________^ [INFO] [stdout] 177 | | Ok( [INFO] [stdout] 178 | | ExecOk [INFO] [stdout] 179 | | { [INFO] [stdout] ... | [INFO] [stdout] 183 | | ) [INFO] [stdout] 184 | | ); [INFO] [stdout] | |__________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:310:17 [INFO] [stdout] | [INFO] [stdout] 310 | wtx.send( send ); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 19.00s [INFO] running `Command { std: "docker" "inspect" "1a5d9064b5d8b2b1f6fb2f29d9ec3cb4e5f3b25b22898cc1b7bf7626cb0c0b18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a5d9064b5d8b2b1f6fb2f29d9ec3cb4e5f3b25b22898cc1b7bf7626cb0c0b18", kill_on_drop: false }` [INFO] [stdout] 1a5d9064b5d8b2b1f6fb2f29d9ec3cb4e5f3b25b22898cc1b7bf7626cb0c0b18