[INFO] fetching crate fromage_converter 0.1.0...
[INFO] checking fromage_converter-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate fromage_converter 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate fromage_converter 0.1.0
[INFO] finished tweaking crates.io crate fromage_converter 0.1.0
[INFO] tweaked toml for crates.io crate fromage_converter 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fromage_converter 0.1.0 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 crates.io crate fromage_converter 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f16033c7be4fefa348754e57abb587c1dab48c4746ee059a57a091a8a3bea024
[INFO] running `Command { std: "docker" "start" "-a" "f16033c7be4fefa348754e57abb587c1dab48c4746ee059a57a091a8a3bea024", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f16033c7be4fefa348754e57abb587c1dab48c4746ee059a57a091a8a3bea024", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f16033c7be4fefa348754e57abb587c1dab48c4746ee059a57a091a8a3bea024", kill_on_drop: false }`
[INFO] [stdout] f16033c7be4fefa348754e57abb587c1dab48c4746ee059a57a091a8a3bea024
[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 -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] e9bde6be7bd2c72b9642328c765094f89668bcab554e3bfece723c3be5f6c3ea
[INFO] running `Command { std: "docker" "start" "-a" "e9bde6be7bd2c72b9642328c765094f89668bcab554e3bfece723c3be5f6c3ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking regex-syntax v0.6.15
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.10
[INFO] [stderr]    Compiling proc-macro-error v0.4.10
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking aho-corasick v0.7.9
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.4
[INFO] [stderr]     Checking structopt v0.3.11
[INFO] [stderr]     Checking fromage_converter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | /     /// Name of column containing translations to export from CSV file
[INFO] [stdout] 30 | |     #[structopt(short, long, default_value("TRANSLATION"))]
[INFO] [stdout] 31 | |     translation_column: String,
[INFO] [stdout]    | |______________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | /     /// Name of column containing translations to export from CSV file
[INFO] [stdout] 30 | |     #[structopt(short, long, default_value("TRANSLATION"))]
[INFO] [stdout] 31 | |     translation_column: String,
[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/mod.rs:18:21
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn next_fromage(&mut self) -> Option<Result<Fromage>>;
[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] 18 |     fn next_fromage(&mut self) -> Option<Result<Fromage<'_>>>;
[INFO] [stdout]    |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser/mod.rs:18:21
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn next_fromage(&mut self) -> Option<Result<Fromage>>;
[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] 18 |     fn next_fromage(&mut self) -> Option<Result<Fromage<'_>>>;
[INFO] [stdout]    |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser/atools.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn next_fromage(&mut self) -> Option<Result<Fromage>> {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn next_fromage(&mut self) -> Option<Result<Fromage<'_>>> {
[INFO] [stdout]    |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser/atools.rs:50:21
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn parse_line(line: &str) -> std::result::Result<Fromage, &str> {
[INFO] [stdout]    |                     ^^^^                         ^^^^^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]    |                     |                            |
[INFO] [stdout]    |                     |                            the same lifetime is hidden 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] 50 | fn parse_line(line: &str) -> std::result::Result<Fromage<'_>, &str> {
[INFO] [stdout]    |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser/csv.rs:82:21
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn next_fromage(&mut self) -> Option<Result<Fromage>> {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn next_fromage(&mut self) -> Option<Result<Fromage<'_>>> {
[INFO] [stdout]    |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parser/csv.rs:99:11
[INFO] [stdout]     |
[INFO] [stdout]  99 |     line: &str,
[INFO] [stdout]     |           ^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 102 | ) -> std::result::Result<Fromage, &str> {
[INFO] [stdout]     |                          ^^^^^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the same lifetime is hidden 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] 102 | ) -> std::result::Result<Fromage<'_>, &str> {
[INFO] [stdout]     |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser/atools.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn next_fromage(&mut self) -> Option<Result<Fromage>> {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn next_fromage(&mut self) -> Option<Result<Fromage<'_>>> {
[INFO] [stdout]    |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser/atools.rs:50:21
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn parse_line(line: &str) -> std::result::Result<Fromage, &str> {
[INFO] [stdout]    |                     ^^^^                         ^^^^^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]    |                     |                            |
[INFO] [stdout]    |                     |                            the same lifetime is hidden 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] 50 | fn parse_line(line: &str) -> std::result::Result<Fromage<'_>, &str> {
[INFO] [stdout]    |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser/csv.rs:82:21
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn next_fromage(&mut self) -> Option<Result<Fromage>> {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn next_fromage(&mut self) -> Option<Result<Fromage<'_>>> {
[INFO] [stdout]    |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parser/csv.rs:99:11
[INFO] [stdout]     |
[INFO] [stdout]  99 |     line: &str,
[INFO] [stdout]     |           ^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 102 | ) -> std::result::Result<Fromage, &str> {
[INFO] [stdout]     |                          ^^^^^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the same lifetime is hidden 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] 102 | ) -> std::result::Result<Fromage<'_>, &str> {
[INFO] [stdout]     |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fromage_converter` (bin "fromage_converter" test) due to 1 previous error; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `fromage_converter` (bin "fromage_converter") due to 1 previous error; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e9bde6be7bd2c72b9642328c765094f89668bcab554e3bfece723c3be5f6c3ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9bde6be7bd2c72b9642328c765094f89668bcab554e3bfece723c3be5f6c3ea", kill_on_drop: false }`
[INFO] [stdout] e9bde6be7bd2c72b9642328c765094f89668bcab554e3bfece723c3be5f6c3ea
