[INFO] cloning repository https://github.com/zyxw59/formatting
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zyxw59/formatting" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyxw59%2Fformatting", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyxw59%2Fformatting'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 201fdeb35234149de913dc022610b556cbe79666
[INFO] checking zyxw59/formatting against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyxw59%2Fformatting" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zyxw59/formatting on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zyxw59/formatting
[INFO] finished tweaking git repo https://github.com/zyxw59/formatting
[INFO] tweaked toml for git repo https://github.com/zyxw59/formatting written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/zyxw59/formatting already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3a94830e4a207af8ede58aacb646b5575f0bf13d47eb0a8f227da460b5ff09b1
[INFO] running `Command { std: "docker" "start" "-a" "3a94830e4a207af8ede58aacb646b5575f0bf13d47eb0a8f227da460b5ff09b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a94830e4a207af8ede58aacb646b5575f0bf13d47eb0a8f227da460b5ff09b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a94830e4a207af8ede58aacb646b5575f0bf13d47eb0a8f227da460b5ff09b1", kill_on_drop: false }`
[INFO] [stdout] 3a94830e4a207af8ede58aacb646b5575f0bf13d47eb0a8f227da460b5ff09b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 77ffc971cc3c0de72ae66c329b4f3b4f041dcece9309ffce77b0509d02aa678f
[INFO] running `Command { std: "docker" "start" "-a" "77ffc971cc3c0de72ae66c329b4f3b4f041dcece9309ffce77b0509d02aa678f", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.13
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking rustc-demangle v0.1.7
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking backtrace v0.3.6
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking formatting v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:18:32
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Backtrace`, `Context`, `Fail`, `ResultExt`
[INFO] [stdout]  --> src/parser/mod.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use failure::{Backtrace, Context, Fail, ResultExt};
[INFO] [stdout]   |               ^^^^^^^^^  ^^^^^^^  ^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ErrorKind`, `Error`
[INFO] [stdout]  --> src/parser/mod.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | use errors::{Error, ErrorKind};
[INFO] [stdout]   |              ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Backtrace`, `Context`, `Fail`
[INFO] [stdout]  --> src/parser/bufread.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use failure::{Backtrace, Context, Fail, ResultExt};
[INFO] [stdout]   |               ^^^^^^^^^  ^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:18:32
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Backtrace`, `Context`, `Fail`, `ResultExt`
[INFO] [stdout]  --> src/parser/mod.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use failure::{Backtrace, Context, Fail, ResultExt};
[INFO] [stdout]   |               ^^^^^^^^^  ^^^^^^^  ^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ErrorKind`, `Error`
[INFO] [stdout]  --> src/parser/mod.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | use errors::{Error, ErrorKind};
[INFO] [stdout]   |              ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Backtrace`, `Context`, `Fail`
[INFO] [stdout]  --> src/parser/bufread.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use failure::{Backtrace, Context, Fail, ResultExt};
[INFO] [stdout]   |               ^^^^^^^^^  ^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kind`
[INFO] [stdout]   --> src/errors.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn kind(&self) -> ErrorKind {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EndOfInput`
[INFO] [stdout]   --> src/errors.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     EndOfInput,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UnclosedVerbatim`
[INFO] [stdout]   --> src/errors.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     UnclosedVerbatim(usize, usize),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unicode`
[INFO] [stdout]   --> src/errors.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     Unicode(usize),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Io`
[INFO] [stdout]   --> src/errors.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     Io(usize),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_io`
[INFO] [stdout]   --> src/errors.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn from_io(err: &io::Error, line: usize) -> ErrorKind {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/parser/bufread.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn new(input: R) -> BufReadIter<R> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `column`
[INFO] [stdout]   --> src/parser/bufread.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn column(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `line`
[INFO] [stdout]   --> src/parser/bufread.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn line(&self) -> usize {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fill_buffer`
[INFO] [stdout]   --> src/parser/bufread.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn fill_buffer(&mut self) -> Result<(), Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]   --> src/parser/bufread.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn next(&mut self) -> Result<Option<char>, Error> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `expect_next`
[INFO] [stdout]   --> src/parser/bufread.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn expect_next(&mut self) -> Result<char, Error> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `current`
[INFO] [stdout]   --> src/parser/bufread.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn current(&self) -> Option<&char> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek`
[INFO] [stdout]   --> src/parser/bufread.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn peek(&self) -> Option<&char> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kind`
[INFO] [stdout]   --> src/errors.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn kind(&self) -> ErrorKind {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EndOfInput`
[INFO] [stdout]   --> src/errors.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     EndOfInput,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UnclosedVerbatim`
[INFO] [stdout]   --> src/errors.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     UnclosedVerbatim(usize, usize),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unicode`
[INFO] [stdout]   --> src/errors.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     Unicode(usize),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Io`
[INFO] [stdout]   --> src/errors.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     Io(usize),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_io`
[INFO] [stdout]   --> src/errors.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn from_io(err: &io::Error, line: usize) -> ErrorKind {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/parser/bufread.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn new(input: R) -> BufReadIter<R> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `column`
[INFO] [stdout]   --> src/parser/bufread.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn column(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `line`
[INFO] [stdout]   --> src/parser/bufread.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn line(&self) -> usize {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fill_buffer`
[INFO] [stdout]   --> src/parser/bufread.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn fill_buffer(&mut self) -> Result<(), Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]   --> src/parser/bufread.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn next(&mut self) -> Result<Option<char>, Error> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `expect_next`
[INFO] [stdout]   --> src/parser/bufread.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn expect_next(&mut self) -> Result<char, Error> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `current`
[INFO] [stdout]   --> src/parser/bufread.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn current(&self) -> Option<&char> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek`
[INFO] [stdout]   --> src/parser/bufread.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn peek(&self) -> Option<&char> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.59s
[INFO] running `Command { std: "docker" "inspect" "77ffc971cc3c0de72ae66c329b4f3b4f041dcece9309ffce77b0509d02aa678f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77ffc971cc3c0de72ae66c329b4f3b4f041dcece9309ffce77b0509d02aa678f", kill_on_drop: false }`
[INFO] [stdout] 77ffc971cc3c0de72ae66c329b4f3b4f041dcece9309ffce77b0509d02aa678f