[INFO] cloning repository https://github.com/palfrey/peacenik [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/palfrey/peacenik" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpalfrey%2Fpeacenik", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpalfrey%2Fpeacenik'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6e654934a8671075d1b3010dcf1d0d6d43a7f45a [INFO] checking palfrey/peacenik against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpalfrey%2Fpeacenik" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/palfrey/peacenik 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/palfrey/peacenik [INFO] finished tweaking git repo https://github.com/palfrey/peacenik [INFO] tweaked toml for git repo https://github.com/palfrey/peacenik written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/palfrey/peacenik 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] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde v1.0.91 [INFO] [stderr] Downloaded quickcheck v0.4.1 [INFO] [stderr] Downloaded nom v2.2.1 [INFO] [stderr] Downloaded serde_derive v1.0.91 [INFO] [stderr] Downloaded serde_yaml v0.8.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 65c7e0fe8fe2730627af3e5faa822515fdad8628f9df35e66731fc8b1a07e8f1 [INFO] running `Command { std: "docker" "start" "-a" "65c7e0fe8fe2730627af3e5faa822515fdad8628f9df35e66731fc8b1a07e8f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "65c7e0fe8fe2730627af3e5faa822515fdad8628f9df35e66731fc8b1a07e8f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65c7e0fe8fe2730627af3e5faa822515fdad8628f9df35e66731fc8b1a07e8f1", kill_on_drop: false }` [INFO] [stdout] 65c7e0fe8fe2730627af3e5faa822515fdad8628f9df35e66731fc8b1a07e8f1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 091cf444dc00e16ebe6663f4046639911a9a1f54f0a91f11f20f3ddc207ce479 [INFO] running `Command { std: "docker" "start" "-a" "091cf444dc00e16ebe6663f4046639911a9a1f54f0a91f11f20f3ddc207ce479", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.54 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Checking regex-syntax v0.3.9 [INFO] [stderr] Compiling serde v1.0.91 [INFO] [stderr] Checking utf8-ranges v0.1.3 [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Checking linked-hash-map v0.5.2 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking dtoa v0.4.4 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking nom v2.2.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking yaml-rust v0.4.3 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking unicode-normalization v0.1.8 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking env_logger v0.3.5 [INFO] [stderr] Checking quickcheck v0.4.1 [INFO] [stderr] Compiling serde_derive v1.0.91 [INFO] [stderr] Checking serde_yaml v0.8.9 [INFO] [stderr] Checking peacenik v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/markov.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use rand; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | extern crate rand; [INFO] [stdout] | ------------------ the item `rand` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_yaml` is imported redundantly [INFO] [stdout] --> src/markov.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use serde_yaml; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | extern crate serde_yaml; [INFO] [stdout] | ------------------------ the item `serde_yaml` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/markov.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use rand; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | extern crate rand; [INFO] [stdout] | ------------------ the item `rand` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_yaml` is imported redundantly [INFO] [stdout] --> src/markov.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use serde_yaml; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | extern crate serde_yaml; [INFO] [stdout] | ------------------------ the item `serde_yaml` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/common.rs:50:24 [INFO] [stdout] | [INFO] [stdout] 50 | panic!(format!("foo: {:?}", rest)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 50 - panic!(format!("foo: {:?}", rest)); [INFO] [stdout] 50 + panic!("foo: {:?}", rest); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/common.rs:50:24 [INFO] [stdout] | [INFO] [stdout] 50 | panic!(format!("foo: {:?}", rest)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 50 - panic!(format!("foo: {:?}", rest)); [INFO] [stdout] 50 + panic!("foo: {:?}", rest); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.19s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v2.2.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4` [INFO] running `Command { std: "docker" "inspect" "091cf444dc00e16ebe6663f4046639911a9a1f54f0a91f11f20f3ddc207ce479", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "091cf444dc00e16ebe6663f4046639911a9a1f54f0a91f11f20f3ddc207ce479", kill_on_drop: false }` [INFO] [stdout] 091cf444dc00e16ebe6663f4046639911a9a1f54f0a91f11f20f3ddc207ce479 [INFO] checking palfrey/peacenik against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpalfrey%2Fpeacenik" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/palfrey/peacenik 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/palfrey/peacenik [INFO] finished tweaking git repo https://github.com/palfrey/peacenik [INFO] tweaked toml for git repo https://github.com/palfrey/peacenik written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/palfrey/peacenik 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 47a2ec1fead7c5217def8c665bc7bca81a869708e9456a0ef28c6e629225a532 [INFO] running `Command { std: "docker" "start" "-a" "47a2ec1fead7c5217def8c665bc7bca81a869708e9456a0ef28c6e629225a532", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "47a2ec1fead7c5217def8c665bc7bca81a869708e9456a0ef28c6e629225a532", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47a2ec1fead7c5217def8c665bc7bca81a869708e9456a0ef28c6e629225a532", kill_on_drop: false }` [INFO] [stdout] 47a2ec1fead7c5217def8c665bc7bca81a869708e9456a0ef28c6e629225a532 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 00fe30165dea3923b42eb3242b192b899df3c74bf7fe9e6fa0d65b92f9ff3e40 [INFO] running `Command { std: "docker" "start" "-a" "00fe30165dea3923b42eb3242b192b899df3c74bf7fe9e6fa0d65b92f9ff3e40", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.54 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Checking regex-syntax v0.3.9 [INFO] [stderr] Checking utf8-ranges v0.1.3 [INFO] [stderr] Compiling serde v1.0.91 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking linked-hash-map v0.5.2 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking dtoa v0.4.4 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking nom v2.2.1 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking yaml-rust v0.4.3 [INFO] [stderr] Checking unicode-normalization v0.1.8 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking env_logger v0.3.5 [INFO] [stderr] Checking quickcheck v0.4.1 [INFO] [stderr] Compiling serde_derive v1.0.91 [INFO] [stderr] Checking serde_yaml v0.8.9 [INFO] [stderr] Checking peacenik v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/markov.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use rand; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | extern crate rand; [INFO] [stdout] | ------------------ the item `rand` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_yaml` is imported redundantly [INFO] [stdout] --> src/markov.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use serde_yaml; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | extern crate serde_yaml; [INFO] [stdout] | ------------------------ the item `serde_yaml` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/markov.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use rand; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | extern crate rand; [INFO] [stdout] | ------------------ the item `rand` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_yaml` is imported redundantly [INFO] [stdout] --> src/markov.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use serde_yaml; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | extern crate serde_yaml; [INFO] [stdout] | ------------------------ the item `serde_yaml` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/common.rs:50:24 [INFO] [stdout] | [INFO] [stdout] 50 | panic!(format!("foo: {:?}", rest)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 50 - panic!(format!("foo: {:?}", rest)); [INFO] [stdout] 50 + panic!("foo: {:?}", rest); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/common.rs:50:24 [INFO] [stdout] | [INFO] [stdout] 50 | panic!(format!("foo: {:?}", rest)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 50 - panic!(format!("foo: {:?}", rest)); [INFO] [stdout] 50 + panic!("foo: {:?}", rest); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.44s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v2.2.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4` [INFO] running `Command { std: "docker" "inspect" "00fe30165dea3923b42eb3242b192b899df3c74bf7fe9e6fa0d65b92f9ff3e40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "00fe30165dea3923b42eb3242b192b899df3c74bf7fe9e6fa0d65b92f9ff3e40", kill_on_drop: false }` [INFO] [stdout] 00fe30165dea3923b42eb3242b192b899df3c74bf7fe9e6fa0d65b92f9ff3e40