[INFO] cloning repository https://github.com/bmilanov/timeledger [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bmilanov/timeledger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbmilanov%2Ftimeledger", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbmilanov%2Ftimeledger'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4cd20da4d01d141bdede16a2509dd1746f119127 [INFO] checking bmilanov/timeledger against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbmilanov%2Ftimeledger" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bmilanov/timeledger 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/bmilanov/timeledger [INFO] finished tweaking git repo https://github.com/bmilanov/timeledger [INFO] tweaked toml for git repo https://github.com/bmilanov/timeledger written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/bmilanov/timeledger 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 libmath v0.2.1 [INFO] [stderr] Downloaded clap v2.27.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c20546c72cb59ae02f17c8d9ac935344d100fdfb6336b35130bc0febaf970a4e [INFO] running `Command { std: "docker" "start" "-a" "c20546c72cb59ae02f17c8d9ac935344d100fdfb6336b35130bc0febaf970a4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c20546c72cb59ae02f17c8d9ac935344d100fdfb6336b35130bc0febaf970a4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c20546c72cb59ae02f17c8d9ac935344d100fdfb6336b35130bc0febaf970a4e", kill_on_drop: false }` [INFO] [stdout] c20546c72cb59ae02f17c8d9ac935344d100fdfb6336b35130bc0febaf970a4e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 690ec9a85a364e4151cab22d3ee92bbb2e3964412a5d2664ca186d3d8715093f [INFO] running `Command { std: "docker" "start" "-a" "690ec9a85a364e4151cab22d3ee92bbb2e3964412a5d2664ca186d3d8715093f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.33 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling serde_json v1.0.56 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking ansi_term v0.9.0 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking yaml-rust v0.3.5 [INFO] [stderr] Checking strsim v0.6.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking bitflags v0.9.1 [INFO] [stderr] Checking clap v2.27.1 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking libmath v0.2.1 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Checking env_logger v0.8.3 [INFO] [stderr] Checking timeledger v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `DateTime` is imported redundantly [INFO] [stdout] --> src/timeledger.rs:3:26 [INFO] [stdout] | [INFO] [stdout] 3 | use chrono::{prelude::*, DateTime, Utc}; [INFO] [stdout] | ---------- ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | the item `DateTime` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Utc` is imported redundantly [INFO] [stdout] --> src/timeledger.rs:3:36 [INFO] [stdout] | [INFO] [stdout] 3 | use chrono::{prelude::*, DateTime, Utc}; [INFO] [stdout] | ---------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | the item `Utc` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `DateTime` is imported redundantly [INFO] [stdout] --> src/timeledger.rs:3:26 [INFO] [stdout] | [INFO] [stdout] 3 | use chrono::{prelude::*, DateTime, Utc}; [INFO] [stdout] | ---------- ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | the item `DateTime` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Utc` is imported redundantly [INFO] [stdout] --> src/timeledger.rs:3:36 [INFO] [stdout] | [INFO] [stdout] 3 | use chrono::{prelude::*, DateTime, Utc}; [INFO] [stdout] | ---------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | the item `Utc` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `out` is never read [INFO] [stdout] --> src/timeledger.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 52 | pub struct Timeledger<'a, T: Out + Debug> { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 53 | out: &'a T, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Timeledger` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `out` is never read [INFO] [stdout] --> src/timeledger.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 52 | pub struct Timeledger<'a, T: Out + Debug> { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 53 | out: &'a T, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Timeledger` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `DateTime` is imported redundantly [INFO] [stdout] --> src/timeledger.rs:3:26 [INFO] [stdout] | [INFO] [stdout] 3 | use chrono::{prelude::*, DateTime, Utc}; [INFO] [stdout] | ---------- ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | the item `DateTime` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Utc` is imported redundantly [INFO] [stdout] --> src/timeledger.rs:3:36 [INFO] [stdout] | [INFO] [stdout] 3 | use chrono::{prelude::*, DateTime, Utc}; [INFO] [stdout] | ---------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | the item `Utc` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Level`, `log_enabled` [INFO] [stdout] --> src/main.rs:14:44 [INFO] [stdout] | [INFO] [stdout] 14 | use log::{trace, debug, info, warn, error, log_enabled, Level, LevelFilter}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `DateTime` is imported redundantly [INFO] [stdout] --> src/timeledger.rs:3:26 [INFO] [stdout] | [INFO] [stdout] 3 | use chrono::{prelude::*, DateTime, Utc}; [INFO] [stdout] | ---------- ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | the item `DateTime` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Utc` is imported redundantly [INFO] [stdout] --> src/timeledger.rs:3:36 [INFO] [stdout] | [INFO] [stdout] 3 | use chrono::{prelude::*, DateTime, Utc}; [INFO] [stdout] | ---------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | the item `Utc` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Level`, `log_enabled` [INFO] [stdout] --> src/main.rs:14:44 [INFO] [stdout] | [INFO] [stdout] 14 | use log::{trace, debug, info, warn, error, log_enabled, Level, LevelFilter}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `write` is never used [INFO] [stdout] --> src/output.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub trait Output { [INFO] [stdout] | ------ method in this trait [INFO] [stdout] 4 | fn write(&self, args: Arguments); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `write` is never used [INFO] [stdout] --> src/output.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub trait Output { [INFO] [stdout] | ------ method in this trait [INFO] [stdout] 4 | fn write(&self, args: Arguments); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Error`, `Info`, `Debug`, and `Trace` are never constructed [INFO] [stdout] --> src/output.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | pub enum LogLevel { [INFO] [stdout] | -------- variants in this enum [INFO] [stdout] 9 | Error, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 10 | Warn, [INFO] [stdout] 11 | Info, [INFO] [stdout] | ^^^^ [INFO] [stdout] 12 | Debug, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 13 | Trace [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `LogLevel` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Error`, `Info`, `Debug`, and `Trace` are never constructed [INFO] [stdout] --> src/output.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | pub enum LogLevel { [INFO] [stdout] | -------- variants in this enum [INFO] [stdout] 9 | Error, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 10 | Warn, [INFO] [stdout] 11 | Info, [INFO] [stdout] | ^^^^ [INFO] [stdout] 12 | Debug, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 13 | Trace [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `LogLevel` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `out` is never read [INFO] [stdout] --> src/timeledger.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 52 | pub struct Timeledger<'a, T: Out + Debug> { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 53 | out: &'a T, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Timeledger` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `out` is never read [INFO] [stdout] --> src/timeledger.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 52 | pub struct Timeledger<'a, T: Out + Debug> { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 53 | out: &'a T, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Timeledger` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.02s [INFO] running `Command { std: "docker" "inspect" "690ec9a85a364e4151cab22d3ee92bbb2e3964412a5d2664ca186d3d8715093f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "690ec9a85a364e4151cab22d3ee92bbb2e3964412a5d2664ca186d3d8715093f", kill_on_drop: false }` [INFO] [stdout] 690ec9a85a364e4151cab22d3ee92bbb2e3964412a5d2664ca186d3d8715093f