[INFO] fetching crate pest_meta 2.1.3...
[INFO] checking pest_meta-2.1.3 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate pest_meta 2.1.3 into /workspace/builds/worker-38/source
[INFO] validating manifest of crates.io crate pest_meta 2.1.3 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pest_meta 2.1.3
[INFO] finished tweaking crates.io crate pest_meta 2.1.3
[INFO] tweaked toml for crates.io crate pest_meta 2.1.3 written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7c20963542a8cbcc0f33dc467288f9d259cba86cd7bef9f5c4c7a528c8b81a8
[INFO] running `Command { std: "docker" "start" "-a" "e7c20963542a8cbcc0f33dc467288f9d259cba86cd7bef9f5c4c7a528c8b81a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7c20963542a8cbcc0f33dc467288f9d259cba86cd7bef9f5c4c7a528c8b81a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7c20963542a8cbcc0f33dc467288f9d259cba86cd7bef9f5c4c7a528c8b81a8", kill_on_drop: false }`
[INFO] [stdout] e7c20963542a8cbcc0f33dc467288f9d259cba86cd7bef9f5c4c7a528c8b81a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0710638e948d742adb947ace66d209d2db498794abb94ccb6e2f67ac6f282df
[INFO] running `Command { std: "docker" "start" "-a" "d0710638e948d742adb947ace66d209d2db498794abb94ccb6e2f67ac6f282df", kill_on_drop: false }`
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking pest_meta v2.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 | /             "grammar error\n\n".to_owned()
[INFO] [stdout] 34 | |                 + &e.into_iter()
[INFO] [stdout] 35 | |                     .map(|error| format!("{}", error))
[INFO] [stdout] 36 | |                     .collect::<Vec<_>>()
[INFO] [stdout] 37 | |                     .join("\n\n")
[INFO] [stdout]    | |_________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[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/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 33 |             "{}", "grammar error\n\n".to_owned()
[INFO] [stdout]    |             +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 32 |         std::panic::panic_any(
[INFO] [stdout]    |         ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 | /             "grammar error\n\n".to_owned()
[INFO] [stdout] 34 | |                 + &e.into_iter()
[INFO] [stdout] 35 | |                     .map(|error| format!("{}", error))
[INFO] [stdout] 36 | |                     .collect::<Vec<_>>()
[INFO] [stdout] 37 | |                     .join("\n\n")
[INFO] [stdout]    | |_________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[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/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 33 |             "{}", "grammar error\n\n".to_owned()
[INFO] [stdout]    |             +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 32 |         std::panic::panic_any(
[INFO] [stdout]    |         ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.00s
[INFO] running `Command { std: "docker" "inspect" "d0710638e948d742adb947ace66d209d2db498794abb94ccb6e2f67ac6f282df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0710638e948d742adb947ace66d209d2db498794abb94ccb6e2f67ac6f282df", kill_on_drop: false }`
[INFO] [stdout] d0710638e948d742adb947ace66d209d2db498794abb94ccb6e2f67ac6f282df