[INFO] cloning repository https://github.com/rainy-me/emo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rainy-me/emo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frainy-me%2Femo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frainy-me%2Femo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e9acdf6e1e05b667933511b86b5d57332f79a20d [INFO] checking rainy-me/emo against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frainy-me%2Femo" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rainy-me/emo 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/rainy-me/emo [INFO] finished tweaking git repo https://github.com/rainy-me/emo [INFO] tweaked toml for git repo https://github.com/rainy-me/emo written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/rainy-me/emo 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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded backtrace v0.3.42 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e691fe034b8cbeb3bcd9a24e50b3f118edf47f30b2022ff67979959d95800619 [INFO] running `Command { std: "docker" "start" "-a" "e691fe034b8cbeb3bcd9a24e50b3f118edf47f30b2022ff67979959d95800619", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e691fe034b8cbeb3bcd9a24e50b3f118edf47f30b2022ff67979959d95800619", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e691fe034b8cbeb3bcd9a24e50b3f118edf47f30b2022ff67979959d95800619", kill_on_drop: false }` [INFO] [stdout] e691fe034b8cbeb3bcd9a24e50b3f118edf47f30b2022ff67979959d95800619 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 468d5574700cc9bba1f7162ebb1b12df2a85e477c8928283a7c9bf154ae7f0af [INFO] running `Command { std: "docker" "start" "-a" "468d5574700cc9bba1f7162ebb1b12df2a85e477c8928283a7c9bf154ae7f0af", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling proc-macro2 v1.0.8 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.14 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling memchr v2.3.0 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking regex-syntax v0.6.13 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking unicode-segmentation v1.6.0 [INFO] [stderr] Checking cassowary v0.3.0 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking termion v1.5.5 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking tui v0.8.0 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking backtrace v0.3.42 [INFO] [stderr] Checking regex v1.3.3 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Checking failure v0.1.6 [INFO] [stderr] Checking emo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/emoji/build.rs:15:7 [INFO] [stdout] | [INFO] [stdout] 14 | (emoji, name) => format!("{}|{}\n", emoji, name), [INFO] [stdout] | ------------- matches any value [INFO] [stdout] 15 | _ => "".to_string(), [INFO] [stdout] | ^ unreachable pattern [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/emoji/build.rs:15:7 [INFO] [stdout] | [INFO] [stdout] 14 | (emoji, name) => format!("{}|{}\n", emoji, name), [INFO] [stdout] | ------------- matches any value [INFO] [stdout] 15 | _ => "".to_string(), [INFO] [stdout] | ^ unreachable pattern [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `input_handle`, `ignore_exit_key`, and `tick_handle` are never read [INFO] [stdout] --> src/util/event.rs:22:3 [INFO] [stdout] | [INFO] [stdout] 20 | pub struct Events { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 21 | rx: mpsc::Receiver>, [INFO] [stdout] 22 | input_handle: thread::JoinHandle<()>, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 23 | ignore_exit_key: Arc, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 24 | tick_handle: thread::JoinHandle<()>, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `input_handle`, `ignore_exit_key`, and `tick_handle` are never read [INFO] [stdout] --> src/util/event.rs:22:3 [INFO] [stdout] | [INFO] [stdout] 20 | pub struct Events { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 21 | rx: mpsc::Receiver>, [INFO] [stdout] 22 | input_handle: thread::JoinHandle<()>, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 23 | ignore_exit_key: Arc, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 24 | tick_handle: thread::JoinHandle<()>, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.47s [INFO] running `Command { std: "docker" "inspect" "468d5574700cc9bba1f7162ebb1b12df2a85e477c8928283a7c9bf154ae7f0af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "468d5574700cc9bba1f7162ebb1b12df2a85e477c8928283a7c9bf154ae7f0af", kill_on_drop: false }` [INFO] [stdout] 468d5574700cc9bba1f7162ebb1b12df2a85e477c8928283a7c9bf154ae7f0af [INFO] checking rainy-me/emo against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frainy-me%2Femo" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rainy-me/emo on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rainy-me/emo [INFO] finished tweaking git repo https://github.com/rainy-me/emo [INFO] tweaked toml for git repo https://github.com/rainy-me/emo written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/rainy-me/emo 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b215f1b41958d45a5c6e66aecc37b2a05bfff10feff7bb8b500755baf272bcbb [INFO] running `Command { std: "docker" "start" "-a" "b215f1b41958d45a5c6e66aecc37b2a05bfff10feff7bb8b500755baf272bcbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b215f1b41958d45a5c6e66aecc37b2a05bfff10feff7bb8b500755baf272bcbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b215f1b41958d45a5c6e66aecc37b2a05bfff10feff7bb8b500755baf272bcbb", kill_on_drop: false }` [INFO] [stdout] b215f1b41958d45a5c6e66aecc37b2a05bfff10feff7bb8b500755baf272bcbb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dc52c910b47ea4eef75ab0f8445e33f46e70acc93218cce4b54828a40f6ddf0e [INFO] running `Command { std: "docker" "start" "-a" "dc52c910b47ea4eef75ab0f8445e33f46e70acc93218cce4b54828a40f6ddf0e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling proc-macro2 v1.0.8 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling syn v1.0.14 [INFO] [stderr] Compiling memchr v2.3.0 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking regex-syntax v0.6.13 [INFO] [stderr] Checking cassowary v0.3.0 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking unicode-segmentation v1.6.0 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking termion v1.5.5 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking tui v0.8.0 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking backtrace v0.3.42 [INFO] [stderr] Checking regex v1.3.3 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Checking failure v0.1.6 [INFO] [stderr] Checking emo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/emoji/build.rs:15:7 [INFO] [stdout] | [INFO] [stdout] 14 | (emoji, name) => format!("{}|{}\n", emoji, name), [INFO] [stdout] | ------------- matches any value [INFO] [stdout] 15 | _ => "".to_string(), [INFO] [stdout] | ^ unreachable pattern [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/emoji/build.rs:15:7 [INFO] [stdout] | [INFO] [stdout] 14 | (emoji, name) => format!("{}|{}\n", emoji, name), [INFO] [stdout] | ------------- matches any value [INFO] [stdout] 15 | _ => "".to_string(), [INFO] [stdout] | ^ unreachable pattern [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `input_handle`, `ignore_exit_key`, and `tick_handle` are never read [INFO] [stdout] --> src/util/event.rs:22:3 [INFO] [stdout] | [INFO] [stdout] 20 | pub struct Events { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 21 | rx: mpsc::Receiver>, [INFO] [stdout] 22 | input_handle: thread::JoinHandle<()>, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 23 | ignore_exit_key: Arc, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 24 | tick_handle: thread::JoinHandle<()>, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `input_handle`, `ignore_exit_key`, and `tick_handle` are never read [INFO] [stdout] --> src/util/event.rs:22:3 [INFO] [stdout] | [INFO] [stdout] 20 | pub struct Events { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 21 | rx: mpsc::Receiver>, [INFO] [stdout] 22 | input_handle: thread::JoinHandle<()>, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 23 | ignore_exit_key: Arc, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 24 | tick_handle: thread::JoinHandle<()>, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.87s [INFO] running `Command { std: "docker" "inspect" "dc52c910b47ea4eef75ab0f8445e33f46e70acc93218cce4b54828a40f6ddf0e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc52c910b47ea4eef75ab0f8445e33f46e70acc93218cce4b54828a40f6ddf0e", kill_on_drop: false }` [INFO] [stdout] dc52c910b47ea4eef75ab0f8445e33f46e70acc93218cce4b54828a40f6ddf0e