[INFO] cloning repository https://github.com/sonald/redis-cli-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sonald/redis-cli-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsonald%2Fredis-cli-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsonald%2Fredis-cli-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5de760421f4d052d4a28001d1274ab90688d0fd3 [INFO] checking sonald/redis-cli-rs against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsonald%2Fredis-cli-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sonald/redis-cli-rs on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sonald/redis-cli-rs [INFO] finished tweaking git repo https://github.com/sonald/redis-cli-rs [INFO] tweaked toml for git repo https://github.com/sonald/redis-cli-rs written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/sonald/redis-cli-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dd4217d385385893bf5928d2eecba46ff3bca95dcd4793c3f973b628f9197da3 [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" "dd4217d385385893bf5928d2eecba46ff3bca95dcd4793c3f973b628f9197da3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dd4217d385385893bf5928d2eecba46ff3bca95dcd4793c3f973b628f9197da3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd4217d385385893bf5928d2eecba46ff3bca95dcd4793c3f973b628f9197da3", kill_on_drop: false }` [INFO] [stdout] dd4217d385385893bf5928d2eecba46ff3bca95dcd4793c3f973b628f9197da3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ad802431f6822fd655f88b6926e13ea904010a3f45886602874625acbaeb7e76 [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" "ad802431f6822fd655f88b6926e13ea904010a3f45886602874625acbaeb7e76", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.70 [INFO] [stderr] Compiling proc-macro2 v1.0.13 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.22 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking pin-project-lite v0.1.5 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.2 [INFO] [stderr] Compiling proc-macro-error v1.0.2 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Compiling quote v1.0.5 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking net2 v0.2.34 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking nix v0.17.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking clap v2.33.1 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking signal-hook v0.1.15 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Checking rustyline v6.1.2 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Checking tokio v0.2.21 [INFO] [stderr] Compiling structopt-derive v0.4.7 [INFO] [stderr] Checking structopt v0.3.14 [INFO] [stderr] Checking cedis v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `bytes::Bytes` [INFO] [stdout] --> src/redis.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use bytes::Bytes; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `bytes::Bytes` [INFO] [stdout] --> src/redis.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use bytes::Bytes; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `iter` found for type parameter `S` in the current scope [INFO] [stdout] --> src/redis.rs:117:24 [INFO] [stdout] | [INFO] [stdout] 117 | let mut ts = s.iter(); [INFO] [stdout] | ^^^^ method not found in `S` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: the method `map` exists for type `bool`, but its trait bounds were not satisfied [INFO] [stdout] --> src/redis.rs:118:30 [INFO] [stdout] | [INFO] [stdout] 118 | match_value(&mut ts).map(|v| (v, s.as_ref().len() - ts.size_hint().0)) [INFO] [stdout] | ^^^ method cannot be called on `bool` due to unsatisfied trait bounds [INFO] [stdout] | [INFO] [stdout] = note: the following trait bounds were not satisfied: [INFO] [stdout] `bool: Iterator` [INFO] [stdout] which is required by `&mut bool: Iterator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `iter` found for type parameter `S` in the current scope [INFO] [stdout] --> src/redis.rs:117:24 [INFO] [stdout] | [INFO] [stdout] 117 | let mut ts = s.iter(); [INFO] [stdout] | ^^^^ method not found in `S` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: the method `map` exists for type `bool`, but its trait bounds were not satisfied [INFO] [stdout] --> src/redis.rs:118:30 [INFO] [stdout] | [INFO] [stdout] 118 | match_value(&mut ts).map(|v| (v, s.as_ref().len() - ts.size_hint().0)) [INFO] [stdout] | ^^^ method cannot be called on `bool` due to unsatisfied trait bounds [INFO] [stdout] | [INFO] [stdout] = note: the following trait bounds were not satisfied: [INFO] [stdout] `bool: Iterator` [INFO] [stdout] which is required by `&mut bool: Iterator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/redis.rs:67:32 [INFO] [stdout] | [INFO] [stdout] 67 | ts.find(|&&c| c == '\n').is_some() [INFO] [stdout] | ^^^^ expected `u8`, found `char` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `parse` found for type `bool` in the current scope [INFO] [stdout] --> src/redis.rs:80:54 [INFO] [stdout] | [INFO] [stdout] 80 | let mut n = match_string(ts).parse::().unwrap_or(0); [INFO] [stdout] | ^^^^^ method not found in `bool` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/redis.rs:67:32 [INFO] [stdout] | [INFO] [stdout] 67 | ts.find(|&&c| c == '\n').is_some() [INFO] [stdout] | ^^^^ expected `u8`, found `char` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `parse` found for type `bool` in the current scope [INFO] [stdout] --> src/redis.rs:80:54 [INFO] [stdout] | [INFO] [stdout] 80 | let mut n = match_string(ts).parse::().unwrap_or(0); [INFO] [stdout] | ^^^^^ method not found in `bool` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/redis.rs:82:29 [INFO] [stdout] | [INFO] [stdout] 70 | fn match_value<'a>(ts: &mut impl DoubleEndedIterator) -> bool { [INFO] [stdout] | ---- expected `bool` because of return type [INFO] [stdout] ... [INFO] [stdout] 82 | Some(RedisValue::Nil) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found enum `Option` [INFO] [stdout] | [INFO] [stdout] = note: expected type `bool` [INFO] [stdout] found enum `Option` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/redis.rs:82:29 [INFO] [stdout] | [INFO] [stdout] 70 | fn match_value<'a>(ts: &mut impl DoubleEndedIterator) -> bool { [INFO] [stdout] | ---- expected `bool` because of return type [INFO] [stdout] ... [INFO] [stdout] 82 | Some(RedisValue::Nil) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found enum `Option` [INFO] [stdout] | [INFO] [stdout] = note: expected type `bool` [INFO] [stdout] found enum `Option` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/redis.rs:94:29 [INFO] [stdout] | [INFO] [stdout] 70 | fn match_value<'a>(ts: &mut impl DoubleEndedIterator) -> bool { [INFO] [stdout] | ---- expected `bool` because of return type [INFO] [stdout] ... [INFO] [stdout] 94 | Some(RedisValue::Bulk(String::from_utf8_lossy(&buf).to_string())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found enum `Option` [INFO] [stdout] | [INFO] [stdout] = note: expected type `bool` [INFO] [stdout] found enum `Option` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `parse` found for type `bool` in the current scope [INFO] [stdout] --> src/redis.rs:98:63 [INFO] [stdout] | [INFO] [stdout] 98 | Some(RedisValue::Int(match_string(ts).parse::().unwrap_or(0))) [INFO] [stdout] | ^^^^^ method not found in `bool` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/redis.rs:94:29 [INFO] [stdout] | [INFO] [stdout] 70 | fn match_value<'a>(ts: &mut impl DoubleEndedIterator) -> bool { [INFO] [stdout] | ---- expected `bool` because of return type [INFO] [stdout] ... [INFO] [stdout] 94 | Some(RedisValue::Bulk(String::from_utf8_lossy(&buf).to_string())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found enum `Option` [INFO] [stdout] | [INFO] [stdout] = note: expected type `bool` [INFO] [stdout] found enum `Option` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `parse` found for type `bool` in the current scope [INFO] [stdout] --> src/redis.rs:98:63 [INFO] [stdout] | [INFO] [stdout] 98 | Some(RedisValue::Int(match_string(ts).parse::().unwrap_or(0))) [INFO] [stdout] | ^^^^^ method not found in `bool` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/redis.rs:98:25 [INFO] [stdout] | [INFO] [stdout] 70 | fn match_value<'a>(ts: &mut impl DoubleEndedIterator) -> bool { [INFO] [stdout] | ---- expected `bool` because of return type [INFO] [stdout] ... [INFO] [stdout] 98 | Some(RedisValue::Int(match_string(ts).parse::().unwrap_or(0))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found enum `Option` [INFO] [stdout] | [INFO] [stdout] = note: expected type `bool` [INFO] [stdout] found enum `Option` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `parse` found for type `bool` in the current scope [INFO] [stdout] --> src/redis.rs:101:50 [INFO] [stdout] | [INFO] [stdout] 101 | let n = match_string(ts).parse::().unwrap_or(0); [INFO] [stdout] | ^^^^^ method not found in `bool` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `expect` found for type `bool` in the current scope [INFO] [stdout] --> src/redis.rs:103:57 [INFO] [stdout] | [INFO] [stdout] 103 | ... let value = match_value(ts).expect("invalid resp"); [INFO] [stdout] | ^^^^^^ method not found in `bool` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/redis.rs:98:25 [INFO] [stdout] | [INFO] [stdout] 70 | fn match_value<'a>(ts: &mut impl DoubleEndedIterator) -> bool { [INFO] [stdout] | ---- expected `bool` because of return type [INFO] [stdout] ... [INFO] [stdout] 98 | Some(RedisValue::Int(match_string(ts).parse::().unwrap_or(0))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found enum `Option` [INFO] [stdout] | [INFO] [stdout] = note: expected type `bool` [INFO] [stdout] found enum `Option` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `parse` found for type `bool` in the current scope [INFO] [stdout] --> src/redis.rs:101:50 [INFO] [stdout] | [INFO] [stdout] 101 | let n = match_string(ts).parse::().unwrap_or(0); [INFO] [stdout] | ^^^^^ method not found in `bool` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `expect` found for type `bool` in the current scope [INFO] [stdout] --> src/redis.rs:103:57 [INFO] [stdout] | [INFO] [stdout] 103 | ... let value = match_value(ts).expect("invalid resp"); [INFO] [stdout] | ^^^^^^ method not found in `bool` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/redis.rs:108:25 [INFO] [stdout] | [INFO] [stdout] 70 | fn match_value<'a>(ts: &mut impl DoubleEndedIterator) -> bool { [INFO] [stdout] | ---- expected `bool` because of return type [INFO] [stdout] ... [INFO] [stdout] 108 | Some(RedisValue::Array(res)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found enum `Option` [INFO] [stdout] | [INFO] [stdout] = note: expected type `bool` [INFO] [stdout] found enum `Option` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/redis.rs:108:25 [INFO] [stdout] | [INFO] [stdout] 70 | fn match_value<'a>(ts: &mut impl DoubleEndedIterator) -> bool { [INFO] [stdout] | ---- expected `bool` because of return type [INFO] [stdout] ... [INFO] [stdout] 108 | Some(RedisValue::Array(res)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found enum `Option` [INFO] [stdout] | [INFO] [stdout] = note: expected type `bool` [INFO] [stdout] found enum `Option` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/redis.rs:113:17 [INFO] [stdout] | [INFO] [stdout] 70 | fn match_value<'a>(ts: &mut impl DoubleEndedIterator) -> bool { [INFO] [stdout] | ---- expected `bool` because of return type [INFO] [stdout] ... [INFO] [stdout] 113 | None [INFO] [stdout] | ^^^^ expected `bool`, found enum `Option` [INFO] [stdout] | [INFO] [stdout] = note: expected type `bool` [INFO] [stdout] found enum `Option<_>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/redis.rs:113:17 [INFO] [stdout] | [INFO] [stdout] 70 | fn match_value<'a>(ts: &mut impl DoubleEndedIterator) -> bool { [INFO] [stdout] | ---- expected `bool` because of return type [INFO] [stdout] ... [INFO] [stdout] 113 | None [INFO] [stdout] | ^^^^ expected `bool`, found enum `Option` [INFO] [stdout] | [INFO] [stdout] = note: expected type `bool` [INFO] [stdout] found enum `Option<_>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 12 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0308, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `cedis` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/redis.rs:286:45 [INFO] [stdout] | [INFO] [stdout] 286 | let value = RedisValue::deserialize(data).expect(""); [INFO] [stdout] | ^^^^ expected slice `[u8]`, found `str` [INFO] [stdout] | [INFO] [stdout] = note: expected reference `&[u8]` [INFO] [stdout] found reference `&str` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/redis.rs:293:45 [INFO] [stdout] | [INFO] [stdout] 293 | let value = RedisValue::deserialize(data).expect(""); [INFO] [stdout] | ^^^^ expected slice `[u8]`, found `str` [INFO] [stdout] | [INFO] [stdout] = note: expected reference `&[u8]` [INFO] [stdout] found reference `&str` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 14 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0308, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "ad802431f6822fd655f88b6926e13ea904010a3f45886602874625acbaeb7e76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad802431f6822fd655f88b6926e13ea904010a3f45886602874625acbaeb7e76", kill_on_drop: false }` [INFO] [stdout] ad802431f6822fd655f88b6926e13ea904010a3f45886602874625acbaeb7e76