[INFO] fetching crate marin 0.1.0...
[INFO] checking marin-0.1.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate marin 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate marin 0.1.0
[INFO] finished tweaking crates.io crate marin 0.1.0
[INFO] tweaked toml for crates.io crate marin 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate marin 0.1.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate marin 0.1.0 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79933836d7314faee2ee6e2a5ea05bd42e6f997b67dcfbc8c53956de8a0df43a
[INFO] running `Command { std: "docker" "start" "-a" "79933836d7314faee2ee6e2a5ea05bd42e6f997b67dcfbc8c53956de8a0df43a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79933836d7314faee2ee6e2a5ea05bd42e6f997b67dcfbc8c53956de8a0df43a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79933836d7314faee2ee6e2a5ea05bd42e6f997b67dcfbc8c53956de8a0df43a", kill_on_drop: false }`
[INFO] [stdout] 79933836d7314faee2ee6e2a5ea05bd42e6f997b67dcfbc8c53956de8a0df43a
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e42063ab1b5ce4753b6707dbb5733514aef1799b4c061e5359b7329362d6fd4e
[INFO] running `Command { std: "docker" "start" "-a" "e42063ab1b5ce4753b6707dbb5733514aef1799b4c061e5359b7329362d6fd4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking smallstr v0.2.0
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling terminfo v0.7.3
[INFO] [stderr]     Checking marin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DisplayPair` is never constructed
[INFO] [stdout]    --> src/lib.rs:340:8
[INFO] [stdout]     |
[INFO] [stdout] 340 | struct DisplayPair<'i, R: pest::RuleType>(pest::iterators::Pair<'i, R>);
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `display` is never used
[INFO] [stdout]    --> src/lib.rs:349:8
[INFO] [stdout]     |
[INFO] [stdout] 348 | impl<'i, R: pest::RuleType> DisplayPair<'i, R> {
[INFO] [stdout]     | ---------------------------------------------- method in this implementation
[INFO] [stdout] 349 |     fn display(&self, f: &mut fmt::Formatter, depth: usize) -> fmt::Result {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:32:26
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn parse(string: &str) -> Result<Marin> {
[INFO] [stdout]    |                          ^^^^            ----- the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn parse(string: &str) -> Result<Marin<'_>> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking mortal v0.2.2
[INFO] [stderr]     Checking linefeed v0.6.0
[INFO] [stdout] warning: unused imports: `ErrorVariant`, `Error`, and `InputLocation`
[INFO] [stdout]  --> examples/repl.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 | use pest::error::{Error, ErrorVariant, InputLocation};
[INFO] [stdout]   |                   ^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> examples/repl.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> examples/format_test.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pest::Parser`
[INFO] [stdout]  --> src/parser.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     use pest::Parser;
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `string`
[INFO] [stdout]    --> src/lib.rs:141:21
[INFO] [stdout]     |
[INFO] [stdout] 141 |         pub fn test(string: &str, expected: Marin) -> Result<()> {
[INFO] [stdout]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_string`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expected`
[INFO] [stdout]    --> src/lib.rs:141:35
[INFO] [stdout]     |
[INFO] [stdout] 141 |         pub fn test(string: &str, expected: Marin) -> Result<()> {
[INFO] [stdout]     |                                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]    --> src/lib.rs:334:13
[INFO] [stdout]     |
[INFO] [stdout] 334 |         let m = Marin::parse("-flag: 123").unwrap();
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DisplayPair` is never constructed
[INFO] [stdout]    --> src/lib.rs:340:8
[INFO] [stdout]     |
[INFO] [stdout] 340 | struct DisplayPair<'i, R: pest::RuleType>(pest::iterators::Pair<'i, R>);
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `display` is never used
[INFO] [stdout]    --> src/lib.rs:349:8
[INFO] [stdout]     |
[INFO] [stdout] 348 | impl<'i, R: pest::RuleType> DisplayPair<'i, R> {
[INFO] [stdout]     | ---------------------------------------------- method in this implementation
[INFO] [stdout] 349 |     fn display(&self, f: &mut fmt::Formatter, depth: usize) -> fmt::Result {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ParsesToDisplay` is never constructed
[INFO] [stdout]   --> src/parser.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     struct ParsesToDisplay<'i, R: pest::RuleType>(pest::iterators::Pair<'i, R>);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `display` is never used
[INFO] [stdout]   --> src/parser.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     impl<'i, R: pest::RuleType> ParsesToDisplay<'i, R> {
[INFO] [stdout]    |     -------------------------------------------------- method in this implementation
[INFO] [stdout] 24 |         fn display(&self, f: &mut fmt::Formatter, depth: usize) -> fmt::Result {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:32:26
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn parse(string: &str) -> Result<Marin> {
[INFO] [stdout]    |                          ^^^^            ----- the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn parse(string: &str) -> Result<Marin<'_>> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.30s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2, terminfo v0.7.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "e42063ab1b5ce4753b6707dbb5733514aef1799b4c061e5359b7329362d6fd4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e42063ab1b5ce4753b6707dbb5733514aef1799b4c061e5359b7329362d6fd4e", kill_on_drop: false }`
[INFO] [stdout] e42063ab1b5ce4753b6707dbb5733514aef1799b4c061e5359b7329362d6fd4e