[INFO] cloning repository https://github.com/fosu/myceline [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fosu/myceline" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffosu%2Fmyceline", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffosu%2Fmyceline'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2fa6c04b8755aa5b14f1007aa4518d2ddcd710c8 [INFO] checking fosu/myceline against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffosu%2Fmyceline" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fosu/myceline on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/fosu/myceline [INFO] finished tweaking git repo https://github.com/fosu/myceline [INFO] tweaked toml for git repo https://github.com/fosu/myceline written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/fosu/myceline already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 443572f50c44e157e720cab93f62bae1112dad43ef9b029c9338b2ea7f8e3dc8 [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" "443572f50c44e157e720cab93f62bae1112dad43ef9b029c9338b2ea7f8e3dc8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "443572f50c44e157e720cab93f62bae1112dad43ef9b029c9338b2ea7f8e3dc8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "443572f50c44e157e720cab93f62bae1112dad43ef9b029c9338b2ea7f8e3dc8", kill_on_drop: false }` [INFO] [stdout] 443572f50c44e157e720cab93f62bae1112dad43ef9b029c9338b2ea7f8e3dc8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 2c046076a68525c3def4f46188ce1037fe55020e8624a39a50ade6a102d28dc2 [INFO] running `Command { std: "docker" "start" "-a" "2c046076a68525c3def4f46188ce1037fe55020e8624a39a50ade6a102d28dc2", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.13 [INFO] [stderr] Checking termios v0.2.2 [INFO] [stderr] Checking myceline v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `max`, `min` [INFO] [stdout] --> src/lib.rs:6:16 [INFO] [stdout] | [INFO] [stdout] 6 | use std::cmp::{min, max}; [INFO] [stdout] | ^^^ ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/lib.rs:140:21 [INFO] [stdout] | [INFO] [stdout] 140 | Ok(b @ 32 ... 126) => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `max`, `min` [INFO] [stdout] --> src/lib.rs:6:16 [INFO] [stdout] | [INFO] [stdout] 6 | use std::cmp::{min, max}; [INFO] [stdout] | ^^^ ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/lib.rs:140:21 [INFO] [stdout] | [INFO] [stdout] 140 | Ok(b @ 32 ... 126) => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | let mut handle = stdin(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | tcsetattr(0, TCSANOW, &self.initial); [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/lib.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 61 | handle.flush(); [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 return value of `collect` that must be used [INFO] [stdout] --> src/lib.rs:87:15 [INFO] [stdout] | [INFO] [stdout] 87 | buf.drain(pos-1..pos).collect::(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `collect` that must be used [INFO] [stdout] --> src/lib.rs:116:23 [INFO] [stdout] | [INFO] [stdout] 116 | buf.drain(pos..pos+1).collect::(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:159:7 [INFO] [stdout] | [INFO] [stdout] 159 | handle.flush(); [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: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | let mut handle = stdin(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | tcsetattr(0, TCSANOW, &self.initial); [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/lib.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 61 | handle.flush(); [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 return value of `collect` that must be used [INFO] [stdout] --> src/lib.rs:87:15 [INFO] [stdout] | [INFO] [stdout] 87 | buf.drain(pos-1..pos).collect::(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `collect` that must be used [INFO] [stdout] --> src/lib.rs:116:23 [INFO] [stdout] | [INFO] [stdout] 116 | buf.drain(pos..pos+1).collect::(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:159:7 [INFO] [stdout] | [INFO] [stdout] 159 | handle.flush(); [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: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.78s [INFO] running `Command { std: "docker" "inspect" "2c046076a68525c3def4f46188ce1037fe55020e8624a39a50ade6a102d28dc2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c046076a68525c3def4f46188ce1037fe55020e8624a39a50ade6a102d28dc2", kill_on_drop: false }` [INFO] [stdout] 2c046076a68525c3def4f46188ce1037fe55020e8624a39a50ade6a102d28dc2