[INFO] cloning repository https://github.com/tteeoo/rco [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tteeoo/rco" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftteeoo%2Frco", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftteeoo%2Frco'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8554658d17d8d2f3181a257c898e2540c922fbaa [INFO] checking tteeoo/rco against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftteeoo%2Frco" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/tteeoo/rco [INFO] finished tweaking git repo https://github.com/tteeoo/rco [INFO] tweaked toml for git repo https://github.com/tteeoo/rco written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/tteeoo/rco on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/tteeoo/rco 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cfg-if v0.1.10 [INFO] [stderr] Downloaded autocfg v0.1.7 [INFO] [stderr] Downloaded dirs-sys v0.3.4 [INFO] [stderr] Downloaded dirs v2.0.2 [INFO] [stderr] Downloaded constant_time_eq v0.1.5 [INFO] [stderr] Downloaded redox_users v0.3.4 [INFO] [stderr] Downloaded rust-argon2 v0.7.0 [INFO] [stderr] Downloaded arrayref v0.3.6 [INFO] [stderr] Downloaded crossbeam-utils v0.7.0 [INFO] [stderr] Downloaded itoa v0.4.5 [INFO] [stderr] Downloaded hermit-abi v0.1.6 [INFO] [stderr] Downloaded colored v1.9.2 [INFO] [stderr] Downloaded ryu v1.0.2 [INFO] [stderr] Downloaded serde v1.0.104 [INFO] [stderr] Downloaded getrandom v0.1.14 [INFO] [stderr] Downloaded redox_syscall v0.1.56 [INFO] [stderr] Downloaded base64 v0.11.0 [INFO] [stderr] Downloaded regex-automata v0.1.8 [INFO] [stderr] Downloaded arrayvec v0.5.1 [INFO] [stderr] Downloaded blake2b_simd v0.5.10 [INFO] [stderr] Downloaded byteorder v1.3.4 [INFO] [stderr] Downloaded memchr v2.3.0 [INFO] [stderr] Downloaded csv-core v0.1.6 [INFO] [stderr] Downloaded bstr v0.2.11 [INFO] [stderr] Downloaded libc v0.2.66 [INFO] [stderr] Downloaded csv v1.1.3 [INFO] [stderr] Downloaded winapi v0.3.8 [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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 101e41f6c073a5befa6e812da7db22ab1afacb50ec07b7ba3a3c24fa4550233e [INFO] running `Command { std: "docker" "start" "-a" "101e41f6c073a5befa6e812da7db22ab1afacb50ec07b7ba3a3c24fa4550233e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "101e41f6c073a5befa6e812da7db22ab1afacb50ec07b7ba3a3c24fa4550233e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "101e41f6c073a5befa6e812da7db22ab1afacb50ec07b7ba3a3c24fa4550233e", kill_on_drop: false }` [INFO] [stdout] 101e41f6c073a5befa6e812da7db22ab1afacb50ec07b7ba3a3c24fa4550233e [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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8796a624314dc310d2155555d2f8d8274422e80e03cbd2ae3ec7d573c13d53de [INFO] running `Command { std: "docker" "start" "-a" "8796a624314dc310d2155555d2f8d8274422e80e03cbd2ae3ec7d573c13d53de", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling memchr v2.3.0 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking regex-automata v0.1.8 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking colored v1.9.2 [INFO] [stderr] Checking csv-core v0.1.6 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking bstr v0.2.11 [INFO] [stderr] Checking csv v1.1.3 [INFO] [stderr] Checking rco v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/files.rs:28:32 [INFO] [stdout] | [INFO] [stdout] 28 | Err(why) => panic!(why) [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 28 | Err(why) => panic!("{}", why) [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 28 - Err(why) => panic!(why) [INFO] [stdout] 28 + Err(why) => std::panic::panic_any(why) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/files.rs:28:32 [INFO] [stdout] | [INFO] [stdout] 28 | Err(why) => panic!(why) [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 28 | Err(why) => panic!("{}", why) [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 28 - Err(why) => panic!(why) [INFO] [stdout] 28 + Err(why) => std::panic::panic_any(why) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.90s [INFO] running `Command { std: "docker" "inspect" "8796a624314dc310d2155555d2f8d8274422e80e03cbd2ae3ec7d573c13d53de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8796a624314dc310d2155555d2f8d8274422e80e03cbd2ae3ec7d573c13d53de", kill_on_drop: false }` [INFO] [stdout] 8796a624314dc310d2155555d2f8d8274422e80e03cbd2ae3ec7d573c13d53de