[INFO] cloning repository https://github.com/walac/stress-lb [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/walac/stress-lb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwalac%2Fstress-lb", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwalac%2Fstress-lb'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c1184630a5a6e51eebf0f3126174b53378893ea4 [INFO] checking walac/stress-lb against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwalac%2Fstress-lb" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/walac/stress-lb on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/walac/stress-lb [INFO] finished tweaking git repo https://github.com/walac/stress-lb [INFO] tweaked toml for git repo https://github.com/walac/stress-lb written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/walac/stress-lb 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded affinity v0.1.2 [INFO] [stderr] Downloaded scheduler v0.1.3 [INFO] [stderr] Downloaded rust_decimal v1.23.1 [INFO] [stderr] Downloaded gettid v0.1.2 [INFO] [stderr] Downloaded duration-str v0.3.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 19a7feb5ec3d10d09b7f503477563eb6dbadba0651445385e0cfa902d16b6668 [INFO] running `Command { std: "docker" "start" "-a" "19a7feb5ec3d10d09b7f503477563eb6dbadba0651445385e0cfa902d16b6668", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "19a7feb5ec3d10d09b7f503477563eb6dbadba0651445385e0cfa902d16b6668", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "19a7feb5ec3d10d09b7f503477563eb6dbadba0651445385e0cfa902d16b6668", kill_on_drop: false }` [INFO] [stdout] 19a7feb5ec3d10d09b7f503477563eb6dbadba0651445385e0cfa902d16b6668 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9925e5313e1b873710570c9cbda325d9dbccbcbb909a90689fa25f54111fa7a7 [INFO] running `Command { std: "docker" "start" "-a" "9925e5313e1b873710570c9cbda325d9dbccbcbb909a90689fa25f54111fa7a7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.121 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.90 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling radium v0.5.3 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling lexical-core v0.7.6 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Compiling nom v6.1.2 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Checking funty v1.1.0 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Compiling quote v1.0.17 [INFO] [stderr] Checking wyz v0.2.0 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Compiling anyhow v1.0.56 [INFO] [stderr] Compiling rust_decimal v1.23.1 [INFO] [stderr] Checking bitvec v0.19.6 [INFO] [stderr] Checking errno v0.2.8 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Compiling signal-hook v0.3.13 [INFO] [stderr] Checking arrayvec v0.7.2 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking affinity v0.1.2 [INFO] [stderr] Checking scheduler v0.1.3 [INFO] [stderr] Checking gettid v0.1.2 [INFO] [stderr] Checking volatile v0.4.4 [INFO] [stderr] Compiling clap_derive v3.1.4 [INFO] [stderr] Checking clap v3.1.6 [INFO] [stderr] Checking duration-str v0.3.9 [INFO] [stderr] Checking stress-lb v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `duration_str` is imported redundantly [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use duration_str; [INFO] [stdout] | ^^^^^^^^^^^^ the item `duration_str` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Drop` is imported redundantly [INFO] [stdout] --> src/main.rs:12:30 [INFO] [stdout] | [INFO] [stdout] 12 | use std::{cmp, error::Error, ops::Drop, ptr, sync::mpsc, thread}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Drop` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `duration_str` is imported redundantly [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use duration_str; [INFO] [stdout] | ^^^^^^^^^^^^ the item `duration_str` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Drop` is imported redundantly [INFO] [stdout] --> src/main.rs:12:30 [INFO] [stdout] | [INFO] [stdout] 12 | use std::{cmp, error::Error, ops::Drop, ptr, sync::mpsc, thread}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Drop` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:25:14 [INFO] [stdout] | [INFO] [stdout] 25 | struct Timer(TimerId); [INFO] [stdout] | ----- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 25 | struct Timer(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `timer` is never read [INFO] [stdout] --> src/main.rs:68:5 [INFO] [stdout] | [INFO] [stdout] 67 | struct TimerThread { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 68 | timer: Option, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:25:14 [INFO] [stdout] | [INFO] [stdout] 25 | struct Timer(TimerId); [INFO] [stdout] | ----- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 25 | struct Timer(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `timer` is never read [INFO] [stdout] --> src/main.rs:68:5 [INFO] [stdout] | [INFO] [stdout] 67 | struct TimerThread { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 68 | timer: Option, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.28s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v6.1.2 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "9925e5313e1b873710570c9cbda325d9dbccbcbb909a90689fa25f54111fa7a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9925e5313e1b873710570c9cbda325d9dbccbcbb909a90689fa25f54111fa7a7", kill_on_drop: false }` [INFO] [stdout] 9925e5313e1b873710570c9cbda325d9dbccbcbb909a90689fa25f54111fa7a7 [INFO] checking walac/stress-lb against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwalac%2Fstress-lb" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/walac/stress-lb on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/walac/stress-lb [INFO] finished tweaking git repo https://github.com/walac/stress-lb [INFO] tweaked toml for git repo https://github.com/walac/stress-lb written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/walac/stress-lb 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] eedd21273b6568e3d8d58f2deec5845b99a57e9405df4da895f99deea4bf1186 [INFO] running `Command { std: "docker" "start" "-a" "eedd21273b6568e3d8d58f2deec5845b99a57e9405df4da895f99deea4bf1186", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eedd21273b6568e3d8d58f2deec5845b99a57e9405df4da895f99deea4bf1186", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eedd21273b6568e3d8d58f2deec5845b99a57e9405df4da895f99deea4bf1186", kill_on_drop: false }` [INFO] [stdout] eedd21273b6568e3d8d58f2deec5845b99a57e9405df4da895f99deea4bf1186 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f17f2ea59af0c7d44581fb064a3c444f7181920112c06ae589b00ce39be5cee9 [INFO] running `Command { std: "docker" "start" "-a" "f17f2ea59af0c7d44581fb064a3c444f7181920112c06ae589b00ce39be5cee9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.121 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.90 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling radium v0.5.3 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling lexical-core v0.7.6 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling nom v6.1.2 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Checking wyz v0.2.0 [INFO] [stderr] Compiling anyhow v1.0.56 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Compiling quote v1.0.17 [INFO] [stderr] Checking funty v1.1.0 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Compiling rust_decimal v1.23.1 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking errno v0.2.8 [INFO] [stderr] Checking bitvec v0.19.6 [INFO] [stderr] Checking arrayvec v0.7.2 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling signal-hook v0.3.13 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/signal-hook-registry-1.4.0/src/half_lock.rs:145:13 [INFO] [stdout] | [INFO] [stdout] 145 | unsafe { libc::abort() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking atty v0.2.14 [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] error: could not compile `signal-hook-registry` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/chrono-0.4.19/src/format/parse.rs:491:21 [INFO] [stdout] | [INFO] [stdout] 491 | Err(INVALID)?; [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 491 | Err::(INVALID)?; [INFO] [stdout] | +++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `chrono` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "f17f2ea59af0c7d44581fb064a3c444f7181920112c06ae589b00ce39be5cee9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f17f2ea59af0c7d44581fb064a3c444f7181920112c06ae589b00ce39be5cee9", kill_on_drop: false }` [INFO] [stdout] f17f2ea59af0c7d44581fb064a3c444f7181920112c06ae589b00ce39be5cee9