[INFO] cloning repository https://github.com/oleskiewicz/bib-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oleskiewicz/bib-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foleskiewicz%2Fbib-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foleskiewicz%2Fbib-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d8dcc3c5d33e8a51b5947d76ea1499d682b47fc
[INFO] checking oleskiewicz/bib-rs 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%2Foleskiewicz%2Fbib-rs" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/oleskiewicz/bib-rs
[INFO] finished tweaking git repo https://github.com/oleskiewicz/bib-rs
[INFO] tweaked toml for git repo https://github.com/oleskiewicz/bib-rs written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/oleskiewicz/bib-rs 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/oleskiewicz/bib-rs 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7e0f7122095740bf0d69f01da5770d2b7ba1ecd4768dd59c553e9d2ece59f641
[INFO] running `Command { std: "docker" "start" "-a" "7e0f7122095740bf0d69f01da5770d2b7ba1ecd4768dd59c553e9d2ece59f641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e0f7122095740bf0d69f01da5770d2b7ba1ecd4768dd59c553e9d2ece59f641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e0f7122095740bf0d69f01da5770d2b7ba1ecd4768dd59c553e9d2ece59f641", kill_on_drop: false }`
[INFO] [stdout] 7e0f7122095740bf0d69f01da5770d2b7ba1ecd4768dd59c553e9d2ece59f641
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7b39844d74bd33629608ed9f149bad1a8d9e10ae037bdb2a2b2b99d47e3b7b57
[INFO] running `Command { std: "docker" "start" "-a" "7b39844d74bd33629608ed9f149bad1a8d9e10ae037bdb2a2b2b99d47e3b7b57", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking numerals v0.1.4
[INFO] [stderr]    Compiling paste v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking strum v0.20.0
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking biblatex v0.4.1
[INFO] [stderr]     Checking bib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bibfmt/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | /     /// Input file
[INFO] [stdout] 11 | |     #[structopt(name = "FILE")]
[INFO] [stdout] 12 | |     input: Option<String>,
[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 `bib` (bin "bibfmt" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `bib` (bin "bibfmt") due to 1 previous error
[INFO] [stderr] error: could not compile `bib` (bin "bib2tsv" test) due to 1 previous error
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bibfmt/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | /     /// Input file
[INFO] [stdout] 11 | |     #[structopt(name = "FILE")]
[INFO] [stdout] 12 | |     input: Option<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: Result<String, Infallible>
[INFO] [stdout]   --> src/bib2tsv/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | /     /// Input file
[INFO] [stdout] 11 | |     #[structopt(name = "FILE")]
[INFO] [stdout] 12 | |     input: Option<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: Result<String, Infallible>
[INFO] [stdout]   --> src/bib2ref/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | /     /// Input file
[INFO] [stdout] 11 | |     #[structopt(name = "FILE")]
[INFO] [stdout] 12 | |     input: Option<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: Result<String, Infallible>
[INFO] [stdout]   --> src/bib2ref/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | /     /// Input file
[INFO] [stdout] 11 | |     #[structopt(name = "FILE")]
[INFO] [stdout] 12 | |     input: Option<String>,
[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 `bib` (bin "bib2ref" test) due to 1 previous error
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bib2tsv/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | /     /// Input file
[INFO] [stdout] 11 | |     #[structopt(name = "FILE")]
[INFO] [stdout] 12 | |     input: Option<String>,
[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 `bib` (bin "bib2tsv") due to 1 previous error
[INFO] [stderr] error: could not compile `bib` (bin "bib2ref") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "7b39844d74bd33629608ed9f149bad1a8d9e10ae037bdb2a2b2b99d47e3b7b57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b39844d74bd33629608ed9f149bad1a8d9e10ae037bdb2a2b2b99d47e3b7b57", kill_on_drop: false }`
[INFO] [stdout] 7b39844d74bd33629608ed9f149bad1a8d9e10ae037bdb2a2b2b99d47e3b7b57