[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> { [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>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [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> { [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>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [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