[INFO] cloning repository https://github.com/jakewitcher/rusty_parsec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakewitcher/rusty_parsec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakewitcher%2Frusty_parsec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakewitcher%2Frusty_parsec'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c52478dfa478d68cd217fed1ac0d4a2d5cad7b4
[INFO] checking jakewitcher/rusty_parsec against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakewitcher%2Frusty_parsec" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jakewitcher/rusty_parsec
[INFO] finished tweaking git repo https://github.com/jakewitcher/rusty_parsec
[INFO] tweaked toml for git repo https://github.com/jakewitcher/rusty_parsec written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jakewitcher/rusty_parsec on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jakewitcher/rusty_parsec 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking jakewitcher/rusty_parsec against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakewitcher%2Frusty_parsec" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jakewitcher/rusty_parsec
[INFO] finished tweaking git repo https://github.com/jakewitcher/rusty_parsec
[INFO] tweaked toml for git repo https://github.com/jakewitcher/rusty_parsec written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jakewitcher/rusty_parsec on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jakewitcher/rusty_parsec 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8370f92fe2f532eb58efad8bdc5540e6e70ab0e0366a9a8d7ce33625ace1f5b3
[INFO] running `Command { std: "docker" "start" "-a" "8370f92fe2f532eb58efad8bdc5540e6e70ab0e0366a9a8d7ce33625ace1f5b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8370f92fe2f532eb58efad8bdc5540e6e70ab0e0366a9a8d7ce33625ace1f5b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8370f92fe2f532eb58efad8bdc5540e6e70ab0e0366a9a8d7ce33625ace1f5b3", kill_on_drop: false }`
[INFO] [stdout] 8370f92fe2f532eb58efad8bdc5540e6e70ab0e0366a9a8d7ce33625ace1f5b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d23a838d1d59b79f891b51f295f79cfc3612ceb9461bf2fa597d6c786c26608f
[INFO] running `Command { std: "docker" "start" "-a" "d23a838d1d59b79f891b51f295f79cfc3612ceb9461bf2fa597d6c786c26608f", kill_on_drop: false }`
[INFO] [stderr]     Checking rusty_parsec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `FailureSeverity`
[INFO] [stdout]  --> src/parser/mod.rs:7:72
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use result::{Position, ParserSuccess, ParserFailure, ParserResult, FailureSeverity};
[INFO] [stdout]   |                                                                        ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FailureSeverity`
[INFO] [stdout]  --> src/parser/mod.rs:7:72
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use result::{Position, ParserSuccess, ParserFailure, ParserResult, FailureSeverity};
[INFO] [stdout]   |                                                                        ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `with_result` is never used
[INFO] [stdout]   --> src/parser/result.rs:48:34
[INFO] [stdout]    |
[INFO] [stdout] 33 |     impl<T> ParserSuccess<T> {
[INFO] [stdout]    |     ------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 48 |         pub(in crate::parser) fn with_result<U>(self, new_result: U) -> ParserSuccess<U> {
[INFO] [stdout]    |                                  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_err_msg` is never used
[INFO] [stdout]    --> src/parser/result.rs:169:34
[INFO] [stdout]     |
[INFO] [stdout] 127 |     impl ParserFailure {
[INFO] [stdout]     |     ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 169 |         pub(in crate::parser) fn to_err_msg(&self) -> String {
[INFO] [stdout]     |                                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/parser/state.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 | /                 format!("starting slice at {} will exceed the input length of {}",
[INFO] [stdout] 45 | |                 self.current_slice_start,
[INFO] [stdout] 46 | |                 self.len())
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[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)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 44 ~                 "starting slice at {} will exceed the input length of {}",
[INFO] [stdout] 45 |                 self.current_slice_start,
[INFO] [stdout] 46 ~                 self.len()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/parser/state.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 | /                 format!("incrementing starting index {} by {} will exceed the input length of {}",
[INFO] [stdout] 60 | |                 self.current_slice_start, 
[INFO] [stdout] 61 | |                 increment, 
[INFO] [stdout] 62 | |                 self.len())
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 59 ~                 "incrementing starting index {} by {} will exceed the input length of {}",
[INFO] [stdout] 60 |                 self.current_slice_start, 
[INFO] [stdout] 61 |                 increment, 
[INFO] [stdout] 62 ~                 self.len()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `with_result` is never used
[INFO] [stdout]   --> src/parser/result.rs:48:34
[INFO] [stdout]    |
[INFO] [stdout] 33 |     impl<T> ParserSuccess<T> {
[INFO] [stdout]    |     ------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 48 |         pub(in crate::parser) fn with_result<U>(self, new_result: U) -> ParserSuccess<U> {
[INFO] [stdout]    |                                  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/parser/state.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 | /                 format!("starting slice at {} will exceed the input length of {}",
[INFO] [stdout] 45 | |                 self.current_slice_start,
[INFO] [stdout] 46 | |                 self.len())
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[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)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 44 ~                 "starting slice at {} will exceed the input length of {}",
[INFO] [stdout] 45 |                 self.current_slice_start,
[INFO] [stdout] 46 ~                 self.len()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/parser/state.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 | /                 format!("incrementing starting index {} by {} will exceed the input length of {}",
[INFO] [stdout] 60 | |                 self.current_slice_start, 
[INFO] [stdout] 61 | |                 increment, 
[INFO] [stdout] 62 | |                 self.len())
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 59 ~                 "incrementing starting index {} by {} will exceed the input length of {}",
[INFO] [stdout] 60 |                 self.current_slice_start, 
[INFO] [stdout] 61 |                 increment, 
[INFO] [stdout] 62 ~                 self.len()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `p_hello` is never used
[INFO] [stdout]  --> tests/common/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn p_hello() -> Parser<String> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `p_true` is never used
[INFO] [stdout]  --> tests/common/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn p_true() -> Parser<bool> {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "d23a838d1d59b79f891b51f295f79cfc3612ceb9461bf2fa597d6c786c26608f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d23a838d1d59b79f891b51f295f79cfc3612ceb9461bf2fa597d6c786c26608f", kill_on_drop: false }`
[INFO] [stdout] d23a838d1d59b79f891b51f295f79cfc3612ceb9461bf2fa597d6c786c26608f
