[INFO] cloning repository https://github.com/stevecooperorg/fsml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stevecooperorg/fsml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevecooperorg%2Ffsml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevecooperorg%2Ffsml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 956ad3c03eabd1fe3bd65da182cccabafa36153c
[INFO] checking stevecooperorg/fsml against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevecooperorg%2Ffsml" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stevecooperorg/fsml 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/stevecooperorg/fsml
[INFO] finished tweaking git repo https://github.com/stevecooperorg/fsml
[INFO] tweaked toml for git repo https://github.com/stevecooperorg/fsml written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/stevecooperorg/fsml 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]  Downloading crates ...
[INFO] [stderr]   Downloaded pom v3.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 2a189423d4f28cb9666f049396bde62599f00363464888c4bdc0f62f596b9609
[INFO] running `Command { std: "docker" "start" "-a" "2a189423d4f28cb9666f049396bde62599f00363464888c4bdc0f62f596b9609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a189423d4f28cb9666f049396bde62599f00363464888c4bdc0f62f596b9609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a189423d4f28cb9666f049396bde62599f00363464888c4bdc0f62f596b9609", kill_on_drop: false }`
[INFO] [stdout] 2a189423d4f28cb9666f049396bde62599f00363464888c4bdc0f62f596b9609
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4f63e0aaf044b78598b8ce4f79778dcb50729b4c5e9cbfa9930c90d7a80c1a4d
[INFO] running `Command { std: "docker" "start" "-a" "4f63e0aaf044b78598b8ce4f79778dcb50729b4c5e9cbfa9930c90d7a80c1a4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking rustc-demangle v0.1.19
[INFO] [stderr]     Checking object v0.24.0
[INFO] [stderr]     Checking pom v3.2.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling backtrace v0.3.59
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking addr2line v0.15.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking fsml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::Result`
[INFO] [stdout]  --> src/parser.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::Result;
[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]  --> src/parser.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/parser.rs:123:15
[INFO] [stdout]     |
[INFO] [stdout] 123 |         .map(|(ident)| StateId(ident))
[INFO] [stdout]     |               ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 123 -         .map(|(ident)| StateId(ident))
[INFO] [stdout] 123 +         .map(|ident| StateId(ident))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/parser.rs:165:6
[INFO] [stdout]     |
[INFO] [stdout] 165 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/parser.rs:178:19
[INFO] [stdout]     |
[INFO] [stdout] 178 |     raw.map(move |(state_ids)| {
[INFO] [stdout]     |                   ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 178 -     raw.map(move |(state_ids)| {
[INFO] [stdout] 178 +     raw.map(move |state_ids| {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/parser.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/parser.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/parser.rs:123:15
[INFO] [stdout]     |
[INFO] [stdout] 123 |         .map(|(ident)| StateId(ident))
[INFO] [stdout]     |               ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 123 -         .map(|(ident)| StateId(ident))
[INFO] [stdout] 123 +         .map(|ident| StateId(ident))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/parser.rs:165:6
[INFO] [stdout]     |
[INFO] [stdout] 165 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/parser.rs:178:19
[INFO] [stdout]     |
[INFO] [stdout] 178 |     raw.map(move |(state_ids)| {
[INFO] [stdout]     |                   ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 178 -     raw.map(move |(state_ids)| {
[INFO] [stdout] 178 +     raw.map(move |state_ids| {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_plant_uml` is never used
[INFO] [stdout]  --> src/lib.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn to_plant_uml(state_machine: &StateMachine) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `source` and `target` are never used
[INFO] [stdout]   --> src/parser.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl AcceptState {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] 29 |     pub fn source(&self) -> &StateId {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn target(&self) -> &StateId {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ws` is never used
[INFO] [stdout]   --> src/parser.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn ws<'a>() -> Parser<'a, u8, ()> {
[INFO] [stdout]    |    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `space` is never used
[INFO] [stdout]   --> src/parser.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn space<'a>() -> Parser<'a, u8, ()> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `semi` is never used
[INFO] [stdout]   --> src/parser.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn semi<'a>() -> Parser<'a, u8, ()> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_eol` is never used
[INFO] [stdout]   --> src/parser.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn to_eol<'a>() -> Parser<'a, u8, String> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `line_comment` is never used
[INFO] [stdout]   --> src/parser.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn line_comment<'a>() -> Parser<'a, u8, ()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `eol` is never used
[INFO] [stdout]   --> src/parser.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn eol<'a>() -> Parser<'a, u8, ()> {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `keyword` is never used
[INFO] [stdout]   --> src/parser.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn keyword<'a>(keyword: &'static [u8]) -> Parser<'a, u8, ()> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `literal` is never used
[INFO] [stdout]   --> src/parser.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn literal<'a>(literal: &'static [u8]) -> Parser<'a, u8, String> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `star_comment` is never used
[INFO] [stdout]   --> src/parser.rs:89:4
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn star_comment<'a>() -> Parser<'a, u8, ()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `comment` is never used
[INFO] [stdout]   --> src/parser.rs:97:4
[INFO] [stdout]    |
[INFO] [stdout] 97 | fn comment<'a>() -> Parser<'a, u8, ()> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `spaced` is never used
[INFO] [stdout]    --> src/parser.rs:102:4
[INFO] [stdout]     |
[INFO] [stdout] 102 | fn spaced<'a, T>(parser: Parser<'a, u8, T>) -> Parser<'a, u8, T>
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_cr` is never used
[INFO] [stdout]    --> src/parser.rs:109:4
[INFO] [stdout]     |
[INFO] [stdout] 109 | fn is_cr(term: u8) -> bool {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_lf` is never used
[INFO] [stdout]    --> src/parser.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn is_lf(term: u8) -> bool {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_underscore` is never used
[INFO] [stdout]    --> src/parser.rs:117:4
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn is_underscore(term: u8) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `state_id` is never used
[INFO] [stdout]    --> src/parser.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn state_id<'a>() -> Parser<'a, u8, StateId> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `identifier` is never used
[INFO] [stdout]    --> src/parser.rs:126:4
[INFO] [stdout]     |
[INFO] [stdout] 126 | fn identifier<'a>() -> Parser<'a, u8, String> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `string` is never used
[INFO] [stdout]    --> src/parser.rs:134:4
[INFO] [stdout]     |
[INFO] [stdout] 134 | fn string<'a>() -> Parser<'a, u8, String> {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `state` is never used
[INFO] [stdout]    --> src/parser.rs:148:4
[INFO] [stdout]     |
[INFO] [stdout] 148 | fn state<'a>() -> Parser<'a, u8, State> {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `state_list` is never used
[INFO] [stdout]    --> src/parser.rs:159:4
[INFO] [stdout]     |
[INFO] [stdout] 159 | fn state_list<'a>() -> Parser<'a, u8, Vec<State>> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `accept_states_list` is never used
[INFO] [stdout]    --> src/parser.rs:169:4
[INFO] [stdout]     |
[INFO] [stdout] 169 | fn accept_states_list<'a>() -> Parser<'a, u8, Vec<AcceptState>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `accept_states_chain` is never used
[INFO] [stdout]    --> src/parser.rs:175:4
[INFO] [stdout]     |
[INFO] [stdout] 175 | fn accept_states_chain<'a>() -> Parser<'a, u8, Vec<AcceptState>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `state_machine` is never used
[INFO] [stdout]    --> src/parser.rs:195:8
[INFO] [stdout]     |
[INFO] [stdout] 195 | pub fn state_machine<'a>() -> Parser<'a, u8, StateMachine> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `save_file_content` is never used
[INFO] [stdout]   --> src/lib.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn save_file_content(file_path_str: &str, content: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parser.rs:401:24
[INFO] [stdout]     |
[INFO] [stdout] 401 |                 panic!(message)
[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/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 401 |                 panic!("{}", message)
[INFO] [stdout]     |                        +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.69s
[INFO] running `Command { std: "docker" "inspect" "4f63e0aaf044b78598b8ce4f79778dcb50729b4c5e9cbfa9930c90d7a80c1a4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f63e0aaf044b78598b8ce4f79778dcb50729b4c5e9cbfa9930c90d7a80c1a4d", kill_on_drop: false }`
[INFO] [stdout] 4f63e0aaf044b78598b8ce4f79778dcb50729b4c5e9cbfa9930c90d7a80c1a4d
[INFO] checking stevecooperorg/fsml against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevecooperorg%2Ffsml" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stevecooperorg/fsml on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stevecooperorg/fsml
[INFO] finished tweaking git repo https://github.com/stevecooperorg/fsml
[INFO] tweaked toml for git repo https://github.com/stevecooperorg/fsml written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/stevecooperorg/fsml 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88afad67b6f4a936b78dc345d7471641d868d426c602bf5415421c714472ad3f
[INFO] running `Command { std: "docker" "start" "-a" "88afad67b6f4a936b78dc345d7471641d868d426c602bf5415421c714472ad3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88afad67b6f4a936b78dc345d7471641d868d426c602bf5415421c714472ad3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88afad67b6f4a936b78dc345d7471641d868d426c602bf5415421c714472ad3f", kill_on_drop: false }`
[INFO] [stdout] 88afad67b6f4a936b78dc345d7471641d868d426c602bf5415421c714472ad3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50ac3af48feaed53394c905a836bc79cc99a85bcf8960933235a06a9210b4f91
[INFO] running `Command { std: "docker" "start" "-a" "50ac3af48feaed53394c905a836bc79cc99a85bcf8960933235a06a9210b4f91", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking rustc-demangle v0.1.19
[INFO] [stderr]     Checking object v0.24.0
[INFO] [stderr]     Checking pom v3.2.0
[INFO] [stderr]    Compiling backtrace v0.3.59
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking addr2line v0.15.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking fsml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::Result`
[INFO] [stdout]  --> src/parser.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/parser.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/parser.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/parser.rs:123:15
[INFO] [stdout]     |
[INFO] [stdout] 123 |         .map(|(ident)| StateId(ident))
[INFO] [stdout]     |               ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 123 -         .map(|(ident)| StateId(ident))
[INFO] [stdout] 123 +         .map(|ident| StateId(ident))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/parser.rs:165:6
[INFO] [stdout]     |
[INFO] [stdout] 165 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/parser.rs:178:19
[INFO] [stdout]     |
[INFO] [stdout] 178 |     raw.map(move |(state_ids)| {
[INFO] [stdout]     |                   ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 178 -     raw.map(move |(state_ids)| {
[INFO] [stdout] 178 +     raw.map(move |state_ids| {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/parser.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/parser.rs:123:15
[INFO] [stdout]     |
[INFO] [stdout] 123 |         .map(|(ident)| StateId(ident))
[INFO] [stdout]     |               ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 123 -         .map(|(ident)| StateId(ident))
[INFO] [stdout] 123 +         .map(|ident| StateId(ident))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/parser.rs:165:6
[INFO] [stdout]     |
[INFO] [stdout] 165 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/parser.rs:178:19
[INFO] [stdout]     |
[INFO] [stdout] 178 |     raw.map(move |(state_ids)| {
[INFO] [stdout]     |                   ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 178 -     raw.map(move |(state_ids)| {
[INFO] [stdout] 178 +     raw.map(move |state_ids| {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_plant_uml` is never used
[INFO] [stdout]  --> src/lib.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn to_plant_uml(state_machine: &StateMachine) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `source` and `target` are never used
[INFO] [stdout]   --> src/parser.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl AcceptState {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] 29 |     pub fn source(&self) -> &StateId {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn target(&self) -> &StateId {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ws` is never used
[INFO] [stdout]   --> src/parser.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn ws<'a>() -> Parser<'a, u8, ()> {
[INFO] [stdout]    |    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `space` is never used
[INFO] [stdout]   --> src/parser.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn space<'a>() -> Parser<'a, u8, ()> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `semi` is never used
[INFO] [stdout]   --> src/parser.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn semi<'a>() -> Parser<'a, u8, ()> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_eol` is never used
[INFO] [stdout]   --> src/parser.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn to_eol<'a>() -> Parser<'a, u8, String> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `line_comment` is never used
[INFO] [stdout]   --> src/parser.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn line_comment<'a>() -> Parser<'a, u8, ()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `eol` is never used
[INFO] [stdout]   --> src/parser.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn eol<'a>() -> Parser<'a, u8, ()> {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `keyword` is never used
[INFO] [stdout]   --> src/parser.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn keyword<'a>(keyword: &'static [u8]) -> Parser<'a, u8, ()> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `literal` is never used
[INFO] [stdout]   --> src/parser.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn literal<'a>(literal: &'static [u8]) -> Parser<'a, u8, String> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `star_comment` is never used
[INFO] [stdout]   --> src/parser.rs:89:4
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn star_comment<'a>() -> Parser<'a, u8, ()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `comment` is never used
[INFO] [stdout]   --> src/parser.rs:97:4
[INFO] [stdout]    |
[INFO] [stdout] 97 | fn comment<'a>() -> Parser<'a, u8, ()> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `spaced` is never used
[INFO] [stdout]    --> src/parser.rs:102:4
[INFO] [stdout]     |
[INFO] [stdout] 102 | fn spaced<'a, T>(parser: Parser<'a, u8, T>) -> Parser<'a, u8, T>
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_cr` is never used
[INFO] [stdout]    --> src/parser.rs:109:4
[INFO] [stdout]     |
[INFO] [stdout] 109 | fn is_cr(term: u8) -> bool {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_lf` is never used
[INFO] [stdout]    --> src/parser.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn is_lf(term: u8) -> bool {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_underscore` is never used
[INFO] [stdout]    --> src/parser.rs:117:4
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn is_underscore(term: u8) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `state_id` is never used
[INFO] [stdout]    --> src/parser.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn state_id<'a>() -> Parser<'a, u8, StateId> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `identifier` is never used
[INFO] [stdout]    --> src/parser.rs:126:4
[INFO] [stdout]     |
[INFO] [stdout] 126 | fn identifier<'a>() -> Parser<'a, u8, String> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `string` is never used
[INFO] [stdout]    --> src/parser.rs:134:4
[INFO] [stdout]     |
[INFO] [stdout] 134 | fn string<'a>() -> Parser<'a, u8, String> {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `state` is never used
[INFO] [stdout]    --> src/parser.rs:148:4
[INFO] [stdout]     |
[INFO] [stdout] 148 | fn state<'a>() -> Parser<'a, u8, State> {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `state_list` is never used
[INFO] [stdout]    --> src/parser.rs:159:4
[INFO] [stdout]     |
[INFO] [stdout] 159 | fn state_list<'a>() -> Parser<'a, u8, Vec<State>> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `accept_states_list` is never used
[INFO] [stdout]    --> src/parser.rs:169:4
[INFO] [stdout]     |
[INFO] [stdout] 169 | fn accept_states_list<'a>() -> Parser<'a, u8, Vec<AcceptState>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `accept_states_chain` is never used
[INFO] [stdout]    --> src/parser.rs:175:4
[INFO] [stdout]     |
[INFO] [stdout] 175 | fn accept_states_chain<'a>() -> Parser<'a, u8, Vec<AcceptState>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `state_machine` is never used
[INFO] [stdout]    --> src/parser.rs:195:8
[INFO] [stdout]     |
[INFO] [stdout] 195 | pub fn state_machine<'a>() -> Parser<'a, u8, StateMachine> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `save_file_content` is never used
[INFO] [stdout]   --> src/lib.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn save_file_content(file_path_str: &str, content: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parser.rs:401:24
[INFO] [stdout]     |
[INFO] [stdout] 401 |                 panic!(message)
[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/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 401 |                 panic!("{}", message)
[INFO] [stdout]     |                        +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.67s
[INFO] running `Command { std: "docker" "inspect" "50ac3af48feaed53394c905a836bc79cc99a85bcf8960933235a06a9210b4f91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50ac3af48feaed53394c905a836bc79cc99a85bcf8960933235a06a9210b4f91", kill_on_drop: false }`
[INFO] [stdout] 50ac3af48feaed53394c905a836bc79cc99a85bcf8960933235a06a9210b4f91