[INFO] cloning repository https://github.com/curiousbirds/mint [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/curiousbirds/mint" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcuriousbirds%2Fmint", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcuriousbirds%2Fmint'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b1eab110813cd38d2717f1cd49441df0842e17eb [INFO] checking curiousbirds/mint against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcuriousbirds%2Fmint" "/workspace/builds/worker-97/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-97/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/curiousbirds/mint on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/curiousbirds/mint [INFO] finished tweaking git repo https://github.com/curiousbirds/mint [INFO] tweaked toml for git repo https://github.com/curiousbirds/mint written to /workspace/builds/worker-97/source/Cargo.toml [INFO] crate git repo https://github.com/curiousbirds/mint already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 46987874c2a82d3a0357177f4636ffaf72339e4974f9fd4a1a39d64d1246f791 [INFO] running `Command { std: "docker" "start" "-a" "46987874c2a82d3a0357177f4636ffaf72339e4974f9fd4a1a39d64d1246f791", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "46987874c2a82d3a0357177f4636ffaf72339e4974f9fd4a1a39d64d1246f791", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "46987874c2a82d3a0357177f4636ffaf72339e4974f9fd4a1a39d64d1246f791", kill_on_drop: false }` [INFO] [stdout] 46987874c2a82d3a0357177f4636ffaf72339e4974f9fd4a1a39d64d1246f791 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9ad02555d8cbf216b89ea14a5a25e47e8f547b6e27694ce6b8790fca706bdc90 [INFO] running `Command { std: "docker" "start" "-a" "9ad02555d8cbf216b89ea14a5a25e47e8f547b6e27694ce6b8790fca706bdc90", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Compiling libc v0.2.48 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking arc-swap v0.3.7 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking termion v1.5.1 [INFO] [stderr] Checking signal-hook v0.1.7 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking mint v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/lib.rs from 2018 edition to 2021 [INFO] [stderr] Fixed src/events.rs (2 fixes) [INFO] [stderr] Fixed src/net/tcp.rs (3 fixes) [INFO] [stderr] Fixed src/ui/term/mod.rs (3 fixes) [INFO] [stderr] Fixed src/meta.rs (3 fixes) [INFO] [stdout] warning: cannot borrow `*buffer` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/net/tcp.rs:173:25 [INFO] [stdout] | [INFO] [stdout] 168 | let line = buffer.split(|c| *c == LINE_SEPARATOR).next().unwrap(); [INFO] [stdout] | ------ immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 173 | buffer.drain(0..line.len() + 1); [INFO] [stdout] | ^^^^^^ ---- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*buffer` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/net/tcp.rs:173:25 [INFO] [stdout] | [INFO] [stdout] 168 | let line = buffer.split(|c| *c == LINE_SEPARATOR).next().unwrap(); [INFO] [stdout] | ------ immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 173 | buffer.drain(0..line.len() + 1); [INFO] [stdout] | ^^^^^^ ---- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `clear` [INFO] [stdout] --> src/ui/term/screen.rs:68:12 [INFO] [stdout] | [INFO] [stdout] 68 | pub fn clear(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `clear` [INFO] [stdout] --> src/ui/term/screen.rs:68:12 [INFO] [stdout] | [INFO] [stdout] 68 | pub fn clear(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Migrating src/main.rs from 2018 edition to 2021 [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:38:17 [INFO] [stdout] | [INFO] [stdout] 38 | tui.borrow_mut().push_to_window("default".to_string(), l); [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 `Result` that must be used [INFO] [stdout] --> src/main.rs:50:33 [INFO] [stdout] | [INFO] [stdout] 50 | Err(_) => { tui.borrow_mut().push_to_window("default".to_string(), [INFO] [stdout] | _________________________________^ [INFO] [stdout] 51 | | format!("Couldn't write to connection")); } [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: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:55:17 [INFO] [stdout] | [INFO] [stdout] 55 | / tui.borrow_mut().push_to_window("default".to_string(), [INFO] [stdout] 56 | | format!("Unhandled event: {:?}", event)); [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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:38:17 [INFO] [stdout] | [INFO] [stdout] 38 | tui.borrow_mut().push_to_window("default".to_string(), l); [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 `Result` that must be used [INFO] [stdout] --> src/main.rs:50:33 [INFO] [stdout] | [INFO] [stdout] 50 | Err(_) => { tui.borrow_mut().push_to_window("default".to_string(), [INFO] [stdout] | _________________________________^ [INFO] [stdout] 51 | | format!("Couldn't write to connection")); } [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: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:55:17 [INFO] [stdout] | [INFO] [stdout] 55 | / tui.borrow_mut().push_to_window("default".to_string(), [INFO] [stdout] 56 | | format!("Unhandled event: {:?}", event)); [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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.11s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Checking mint v0.1.0 (/tmp/fixit) [INFO] [stdout] warning: cannot borrow `*buffer` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/net/tcp.rs:173:25 [INFO] [stdout] | [INFO] [stdout] 168 | let line = buffer.split(|c| *c == LINE_SEPARATOR).next().unwrap(); [INFO] [stdout] | ------ immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 173 | buffer.drain(0..line.len() + 1); [INFO] [stdout] | ^^^^^^ ---- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*buffer` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/net/tcp.rs:173:25 [INFO] [stdout] | [INFO] [stdout] 168 | let line = buffer.split(|c| *c == LINE_SEPARATOR).next().unwrap(); [INFO] [stdout] | ------ immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 173 | buffer.drain(0..line.len() + 1); [INFO] [stdout] | ^^^^^^ ---- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `clear` [INFO] [stdout] --> src/ui/term/screen.rs:68:12 [INFO] [stdout] | [INFO] [stdout] 68 | pub fn clear(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `clear` [INFO] [stdout] --> src/ui/term/screen.rs:68:12 [INFO] [stdout] | [INFO] [stdout] 68 | pub fn clear(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:38:17 [INFO] [stdout] | [INFO] [stdout] 38 | tui.borrow_mut().push_to_window("default".to_string(), l); [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 `Result` that must be used [INFO] [stdout] --> src/main.rs:50:33 [INFO] [stdout] | [INFO] [stdout] 50 | Err(_) => { tui.borrow_mut().push_to_window("default".to_string(), [INFO] [stdout] | _________________________________^ [INFO] [stdout] 51 | | format!("Couldn't write to connection")); } [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: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:55:17 [INFO] [stdout] | [INFO] [stdout] 55 | / tui.borrow_mut().push_to_window("default".to_string(), [INFO] [stdout] 56 | | format!("Unhandled event: {:?}", event)); [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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:38:17 [INFO] [stdout] | [INFO] [stdout] 38 | tui.borrow_mut().push_to_window("default".to_string(), l); [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 `Result` that must be used [INFO] [stdout] --> src/main.rs:50:33 [INFO] [stdout] | [INFO] [stdout] 50 | Err(_) => { tui.borrow_mut().push_to_window("default".to_string(), [INFO] [stdout] | _________________________________^ [INFO] [stdout] 51 | | format!("Couldn't write to connection")); } [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: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:55:17 [INFO] [stdout] | [INFO] [stdout] 55 | / tui.borrow_mut().push_to_window("default".to_string(), [INFO] [stdout] 56 | | format!("Unhandled event: {:?}", event)); [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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.48s [INFO] running `Command { std: "docker" "inspect" "9ad02555d8cbf216b89ea14a5a25e47e8f547b6e27694ce6b8790fca706bdc90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ad02555d8cbf216b89ea14a5a25e47e8f547b6e27694ce6b8790fca706bdc90", kill_on_drop: false }` [INFO] [stdout] 9ad02555d8cbf216b89ea14a5a25e47e8f547b6e27694ce6b8790fca706bdc90