[INFO] cloning repository https://github.com/GrbavaCigla/casegen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GrbavaCigla/casegen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGrbavaCigla%2Fcasegen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGrbavaCigla%2Fcasegen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9549089c7ab8dda93f26eaf7f52b8ca265c30ca9
[INFO] checking GrbavaCigla/casegen 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%2FGrbavaCigla%2Fcasegen" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/GrbavaCigla/casegen
[INFO] finished tweaking git repo https://github.com/GrbavaCigla/casegen
[INFO] tweaked toml for git repo https://github.com/GrbavaCigla/casegen written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/GrbavaCigla/casegen 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/GrbavaCigla/casegen 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b3752dcc6ba57d50fa2a90a531cd2e542320f4bea5e6231184cf8b3f7536ac3a
[INFO] running `Command { std: "docker" "start" "-a" "b3752dcc6ba57d50fa2a90a531cd2e542320f4bea5e6231184cf8b3f7536ac3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3752dcc6ba57d50fa2a90a531cd2e542320f4bea5e6231184cf8b3f7536ac3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3752dcc6ba57d50fa2a90a531cd2e542320f4bea5e6231184cf8b3f7536ac3a", kill_on_drop: false }`
[INFO] [stdout] b3752dcc6ba57d50fa2a90a531cd2e542320f4bea5e6231184cf8b3f7536ac3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7edf8cee7c842ab68b9cf2ddd672c48e8b98ccbc09f49f014eb8b0b4663d0c7c
[INFO] running `Command { std: "docker" "start" "-a" "7edf8cee7c842ab68b9cf2ddd672c48e8b98ccbc09f49f014eb8b0b4663d0c7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking casegen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `variable::*`
[INFO] [stdout]  --> src/tests/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use variable::*;
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `casegen` (bin "casegen") due to 1 previous error; 4 warnings emitted
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser/variable.rs:10:30
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn parse_variable(input: &str) -> IResult<&str, Variable> {
[INFO] [stdout]    |                              ^^^^             ^^^^  ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                              |                |
[INFO] [stdout]    |                              |                the same lifetime is elided here
[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] 10 | pub fn parse_variable(input: &str) -> IResult<&str, Variable<'_>> {
[INFO] [stdout]    |                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/parser/text.rs:5:34
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn parse_variable_wrapper(input: &str) -> IResult<&str, Entity> {
[INFO] [stdout]   |                                  ^^^^             ^^^^  ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]   |                                  |                |
[INFO] [stdout]   |                                  |                the same lifetime is elided here
[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] help: use `'_` for type paths
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn parse_variable_wrapper(input: &str) -> IResult<&str, Entity<'_>> {
[INFO] [stdout]   |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser/text.rs:11:30
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn parse_rest_wrapper(input: &str) -> IResult<&str, Entity> {
[INFO] [stdout]    |                              ^^^^             ^^^^  ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                              |                |
[INFO] [stdout]    |                              |                the same lifetime is elided here
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn parse_rest_wrapper(input: &str) -> IResult<&str, Entity<'_>> {
[INFO] [stdout]    |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser/text.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn parse_text(input: &str) -> IResult<&str, Vec<Entity>> {
[INFO] [stdout]    |                          ^^^^             ^^^^      ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |                |
[INFO] [stdout]    |                          |                the same lifetime is elided here
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn parse_text(input: &str) -> IResult<&str, Vec<Entity<'_>>> {
[INFO] [stdout]    |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/opts.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | /     #[structopt(help="Case file")]
[INFO] [stdout] 11 | |     pub filepath: PathBuf,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser/variable.rs:10:30
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn parse_variable(input: &str) -> IResult<&str, Variable> {
[INFO] [stdout]    |                              ^^^^             ^^^^  ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                              |                |
[INFO] [stdout]    |                              |                the same lifetime is elided here
[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] 10 | pub fn parse_variable(input: &str) -> IResult<&str, Variable<'_>> {
[INFO] [stdout]    |                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/parser/text.rs:5:34
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn parse_variable_wrapper(input: &str) -> IResult<&str, Entity> {
[INFO] [stdout]   |                                  ^^^^             ^^^^  ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]   |                                  |                |
[INFO] [stdout]   |                                  |                the same lifetime is elided here
[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] help: use `'_` for type paths
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn parse_variable_wrapper(input: &str) -> IResult<&str, Entity<'_>> {
[INFO] [stdout]   |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser/text.rs:11:30
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn parse_rest_wrapper(input: &str) -> IResult<&str, Entity> {
[INFO] [stdout]    |                              ^^^^             ^^^^  ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                              |                |
[INFO] [stdout]    |                              |                the same lifetime is elided here
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn parse_rest_wrapper(input: &str) -> IResult<&str, Entity<'_>> {
[INFO] [stdout]    |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser/text.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn parse_text(input: &str) -> IResult<&str, Vec<Entity>> {
[INFO] [stdout]    |                          ^^^^             ^^^^      ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |                |
[INFO] [stdout]    |                          |                the same lifetime is elided here
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn parse_text(input: &str) -> IResult<&str, Vec<Entity<'_>>> {
[INFO] [stdout]    |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/opts.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | /     #[structopt(help="Case file")]
[INFO] [stdout] 11 | |     pub filepath: PathBuf,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `casegen` (bin "casegen" test) due to 1 previous error; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "7edf8cee7c842ab68b9cf2ddd672c48e8b98ccbc09f49f014eb8b0b4663d0c7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7edf8cee7c842ab68b9cf2ddd672c48e8b98ccbc09f49f014eb8b0b4663d0c7c", kill_on_drop: false }`
[INFO] [stdout] 7edf8cee7c842ab68b9cf2ddd672c48e8b98ccbc09f49f014eb8b0b4663d0c7c
