[INFO] fetching crate mpdsh 0.1.0... [INFO] testing mpdsh-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2 [INFO] extracting crate mpdsh 0.1.0 into /workspace/builds/worker-1-tc1/source [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-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate mpdsh 0.1.0 on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate mpdsh 0.1.0 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded unicode-width v0.1.7 [INFO] [stderr] Downloaded utf8parse v0.2.0 [INFO] [stderr] Downloaded rustyline-derive v0.3.1 [INFO] [stderr] Downloaded proc-macro2 v1.0.18 [INFO] [stderr] Downloaded shell-words v1.0.0 [INFO] [stderr] Downloaded wildmatch v1.0.10 [INFO] [stderr] Downloaded autocfg v1.0.0 [INFO] [stderr] Downloaded getopts v0.2.21 [INFO] [stderr] Downloaded blake2b_simd v0.5.10 [INFO] [stderr] Downloaded getrandom v0.1.14 [INFO] [stderr] Downloaded redox_syscall v0.1.56 [INFO] [stderr] Downloaded base64 v0.11.0 [INFO] [stderr] Downloaded rustyline v6.2.0 [INFO] [stderr] Downloaded unicode-segmentation v1.6.0 [INFO] [stderr] Downloaded syn v1.0.31 [INFO] [stderr] Downloaded aho-corasick v0.7.10 [INFO] [stderr] Downloaded arrayvec v0.5.1 [INFO] [stderr] Downloaded rust-argon2 v0.7.0 [INFO] [stderr] Downloaded dirs-next v1.0.1 [INFO] [stderr] Downloaded nix v0.17.0 [INFO] [stderr] Downloaded bitflags v1.2.1 [INFO] [stderr] Downloaded redox_users v0.3.4 [INFO] [stderr] Downloaded dirs-sys-next v0.1.0 [INFO] [stderr] Downloaded cc v1.0.54 [INFO] [stderr] Downloaded quote v1.0.7 [INFO] [stderr] Downloaded libc v0.2.71 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4c80c7fa74378fe00566d40e013e5a1b23a5db0d2a4fb533da2fb012fa5da6b2 [INFO] running `Command { std: "docker" "start" "-a" "4c80c7fa74378fe00566d40e013e5a1b23a5db0d2a4fb533da2fb012fa5da6b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4c80c7fa74378fe00566d40e013e5a1b23a5db0d2a4fb533da2fb012fa5da6b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c80c7fa74378fe00566d40e013e5a1b23a5db0d2a4fb533da2fb012fa5da6b2", kill_on_drop: false }` [INFO] [stdout] 4c80c7fa74378fe00566d40e013e5a1b23a5db0d2a4fb533da2fb012fa5da6b2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8778c013a1c2199caa1e93c82b204b4a5d4a9360b1730fb465c5b6363cfd7ef6 [INFO] running `Command { std: "docker" "start" "-a" "8778c013a1c2199caa1e93c82b204b4a5d4a9360b1730fb465c5b6363cfd7ef6", 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 cfg-if v0.1.10 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling syn v1.0.31 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling utf8parse v0.2.0 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling shell-words v1.0.0 [INFO] [stderr] Compiling wildmatch v1.0.10 [INFO] [stderr] Compiling getopts v0.2.21 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling aho-corasick v0.7.10 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling dirs-sys-next v0.1.0 [INFO] [stderr] Compiling dirs-next v1.0.1 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling rustyline-derive v0.3.1 [INFO] [stderr] Compiling rustyline v6.2.0 [INFO] [stderr] Compiling 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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `bin` is never read [INFO] [stdout] --> src/main.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 35 | struct ExecOk [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 38 | , bin: Option> [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `cmd_index` and `cur_cmd` are never read [INFO] [stdout] --> src/main.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 41 | struct ExecErr [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 44 | , cmd_index: i32 [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 45 | , cur_cmd: Option [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `worker_handle` and `version` are never read [INFO] [stdout] --> src/main.rs:81:5 [INFO] [stdout] | [INFO] [stdout] 79 | struct Mpdsh [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 80 | { [INFO] [stdout] 81 | worker_handle: thread::JoinHandle<()> [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 84 | , version: String [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `hint_playlist` is never used [INFO] [stdout] --> src/main.rs:646:8 [INFO] [stdout] | [INFO] [stdout] 90 | impl Mpdsh [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 646 | fn hint_playlist( &mut self ) -> Vec [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `PKG_AUTHORS` is never used [INFO] [stdout] --> src/main.rs:1323:7 [INFO] [stdout] | [INFO] [stdout] 1323 | const PKG_AUTHORS: &'static str = env!("CARGO_PKG_AUTHORS"); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:176:5 [INFO] [stdout] | [INFO] [stdout] 176 | / wtx.send( [INFO] [stdout] 177 | | Ok( [INFO] [stdout] 178 | | ExecOk [INFO] [stdout] ... | [INFO] [stdout] 184 | | ); [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 176 | let _ = wtx.send( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `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] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 310 | let _ = wtx.send( send ); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/main.rs:1277:16 [INFO] [stdout] | [INFO] [stdout] 1277 | fn borrow( &self ) -> Ref< Mpdsh > [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 1277 | fn borrow( &self ) -> Ref<'_, Mpdsh > [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/main.rs:1282:20 [INFO] [stdout] | [INFO] [stdout] 1282 | fn borrow_mut( &self ) -> RefMut< Mpdsh > [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 1282 | fn borrow_mut( &self ) -> RefMut<'_, Mpdsh > [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.41s [INFO] running `Command { std: "docker" "inspect" "8778c013a1c2199caa1e93c82b204b4a5d4a9360b1730fb465c5b6363cfd7ef6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8778c013a1c2199caa1e93c82b204b4a5d4a9360b1730fb465c5b6363cfd7ef6", kill_on_drop: false }` [INFO] [stdout] 8778c013a1c2199caa1e93c82b204b4a5d4a9360b1730fb465c5b6363cfd7ef6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 541a0d14f665eb0dd5f3b713b9dfba6a2847910de681d847d7cba48bc59dd555 [INFO] running `Command { std: "docker" "start" "-a" "541a0d14f665eb0dd5f3b713b9dfba6a2847910de681d847d7cba48bc59dd555", kill_on_drop: false }` [INFO] [stderr] Compiling 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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `bin` is never read [INFO] [stdout] --> src/main.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 35 | struct ExecOk [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 38 | , bin: Option> [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `cmd_index` and `cur_cmd` are never read [INFO] [stdout] --> src/main.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 41 | struct ExecErr [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 44 | , cmd_index: i32 [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 45 | , cur_cmd: Option [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `worker_handle` and `version` are never read [INFO] [stdout] --> src/main.rs:81:5 [INFO] [stdout] | [INFO] [stdout] 79 | struct Mpdsh [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 80 | { [INFO] [stdout] 81 | worker_handle: thread::JoinHandle<()> [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 84 | , version: String [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `hint_playlist` is never used [INFO] [stdout] --> src/main.rs:646:8 [INFO] [stdout] | [INFO] [stdout] 90 | impl Mpdsh [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 646 | fn hint_playlist( &mut self ) -> Vec [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `PKG_AUTHORS` is never used [INFO] [stdout] --> src/main.rs:1323:7 [INFO] [stdout] | [INFO] [stdout] 1323 | const PKG_AUTHORS: &'static str = env!("CARGO_PKG_AUTHORS"); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:176:5 [INFO] [stdout] | [INFO] [stdout] 176 | / wtx.send( [INFO] [stdout] 177 | | Ok( [INFO] [stdout] 178 | | ExecOk [INFO] [stdout] ... | [INFO] [stdout] 184 | | ); [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 176 | let _ = wtx.send( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `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] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 310 | let _ = wtx.send( send ); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/main.rs:1277:16 [INFO] [stdout] | [INFO] [stdout] 1277 | fn borrow( &self ) -> Ref< Mpdsh > [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 1277 | fn borrow( &self ) -> Ref<'_, Mpdsh > [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/main.rs:1282:20 [INFO] [stdout] | [INFO] [stdout] 1282 | fn borrow_mut( &self ) -> RefMut< Mpdsh > [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 1282 | fn borrow_mut( &self ) -> RefMut<'_, Mpdsh > [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s [INFO] running `Command { std: "docker" "inspect" "541a0d14f665eb0dd5f3b713b9dfba6a2847910de681d847d7cba48bc59dd555", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "541a0d14f665eb0dd5f3b713b9dfba6a2847910de681d847d7cba48bc59dd555", kill_on_drop: false }` [INFO] [stdout] 541a0d14f665eb0dd5f3b713b9dfba6a2847910de681d847d7cba48bc59dd555 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 74619d34c23ff7be5db61ad27aa00a36480b18c2c2712efb77ddee7f15a62206 [INFO] running `Command { std: "docker" "start" "-a" "74619d34c23ff7be5db61ad27aa00a36480b18c2c2712efb77ddee7f15a62206", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `arg_prog` [INFO] [stderr] --> src/main.rs:1329:9 [INFO] [stderr] | [INFO] [stderr] 1329 | let arg_prog = args[0].clone(); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arg_prog` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: field `bin` is never read [INFO] [stderr] --> src/main.rs:38:5 [INFO] [stderr] | [INFO] [stderr] 35 | struct ExecOk [INFO] [stderr] | ------ field in this struct [INFO] [stderr] ... [INFO] [stderr] 38 | , bin: Option> [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: fields `cmd_index` and `cur_cmd` are never read [INFO] [stderr] --> src/main.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 41 | struct ExecErr [INFO] [stderr] | ------- fields in this struct [INFO] [stderr] ... [INFO] [stderr] 44 | , cmd_index: i32 [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] 45 | , cur_cmd: Option [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: fields `worker_handle` and `version` are never read [INFO] [stderr] --> src/main.rs:81:5 [INFO] [stderr] | [INFO] [stderr] 79 | struct Mpdsh [INFO] [stderr] | ----- fields in this struct [INFO] [stderr] 80 | { [INFO] [stderr] 81 | worker_handle: thread::JoinHandle<()> [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 84 | , version: String [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method `hint_playlist` is never used [INFO] [stderr] --> src/main.rs:646:8 [INFO] [stderr] | [INFO] [stderr] 90 | impl Mpdsh [INFO] [stderr] | ---------- method in this implementation [INFO] [stderr] ... [INFO] [stderr] 646 | fn hint_playlist( &mut self ) -> Vec [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant `PKG_AUTHORS` is never used [INFO] [stderr] --> src/main.rs:1323:7 [INFO] [stderr] | [INFO] [stderr] 1323 | const PKG_AUTHORS: &'static str = env!("CARGO_PKG_AUTHORS"); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:176:5 [INFO] [stderr] | [INFO] [stderr] 176 | / wtx.send( [INFO] [stderr] 177 | | Ok( [INFO] [stderr] 178 | | ExecOk [INFO] [stderr] ... | [INFO] [stderr] 184 | | ); [INFO] [stderr] | |_________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 176 | let _ = wtx.send( [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:310:17 [INFO] [stderr] | [INFO] [stderr] 310 | wtx.send( send ); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 310 | let _ = wtx.send( send ); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/main.rs:1277:16 [INFO] [stderr] | [INFO] [stderr] 1277 | fn borrow( &self ) -> Ref< Mpdsh > [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 1277 | fn borrow( &self ) -> Ref<'_, Mpdsh > [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/main.rs:1282:20 [INFO] [stderr] | [INFO] [stderr] 1282 | fn borrow_mut( &self ) -> RefMut< Mpdsh > [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 1282 | fn borrow_mut( &self ) -> RefMut<'_, Mpdsh > [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `mpdsh` (bin "mpdsh" test) generated 10 warnings (run `cargo fix --bin "mpdsh" -p mpdsh --tests` to apply 3 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mpdsh-955d1f52e982f4e0) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "74619d34c23ff7be5db61ad27aa00a36480b18c2c2712efb77ddee7f15a62206", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74619d34c23ff7be5db61ad27aa00a36480b18c2c2712efb77ddee7f15a62206", kill_on_drop: false }` [INFO] [stdout] 74619d34c23ff7be5db61ad27aa00a36480b18c2c2712efb77ddee7f15a62206