[INFO] fetching crate elfbin 0.4.0...
[INFO] checking elfbin-0.4.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate elfbin 0.4.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate elfbin 0.4.0
[INFO] finished tweaking crates.io crate elfbin 0.4.0
[INFO] tweaked toml for crates.io crate elfbin 0.4.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate elfbin 0.4.0 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 elfbin 0.4.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b2613ba1b7eb2671ed36108e60ea32525bbbb683afb587dd4077a892bb214d25
[INFO] running `Command { std: "docker" "start" "-a" "b2613ba1b7eb2671ed36108e60ea32525bbbb683afb587dd4077a892bb214d25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2613ba1b7eb2671ed36108e60ea32525bbbb683afb587dd4077a892bb214d25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2613ba1b7eb2671ed36108e60ea32525bbbb683afb587dd4077a892bb214d25", kill_on_drop: false }`
[INFO] [stdout] b2613ba1b7eb2671ed36108e60ea32525bbbb683afb587dd4077a892bb214d25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6631d447e74bc62cb68b1c010077ed244705fef0748a357168367ee60ad8f01e
[INFO] running `Command { std: "docker" "start" "-a" "6631d447e74bc62cb68b1c010077ed244705fef0748a357168367ee60ad8f01e", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking binbin v0.2.0
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking elf v0.0.10
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]     Checking structopt v0.3.22
[INFO] [stderr]     Checking elfbin v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/main.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | /     #[structopt(
[INFO] [stdout] 55 | |         long,
[INFO] [stdout] 56 | |         name = "section",
[INFO] [stdout] 57 | |         help = "Override section name",
[INFO] [stdout] 58 | |         default_value = ".rodata"
[INFO] [stdout] 59 | |     )]
[INFO] [stdout] 60 | |     pub section: 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<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/main.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | /     #[structopt(short, name = "out", help = "Output filename", required = true)]
[INFO] [stdout] 66 | |     pub out: PathBuf,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `elfbin` (bin "elfbin") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/main.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | /     #[structopt(
[INFO] [stdout] 55 | |         long,
[INFO] [stdout] 56 | |         name = "section",
[INFO] [stdout] 57 | |         help = "Override section name",
[INFO] [stdout] 58 | |         default_value = ".rodata"
[INFO] [stdout] 59 | |     )]
[INFO] [stdout] 60 | |     pub section: 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<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/main.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | /     #[structopt(short, name = "out", help = "Output filename", required = true)]
[INFO] [stdout] 66 | |     pub out: PathBuf,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `elfbin` (bin "elfbin" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6631d447e74bc62cb68b1c010077ed244705fef0748a357168367ee60ad8f01e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6631d447e74bc62cb68b1c010077ed244705fef0748a357168367ee60ad8f01e", kill_on_drop: false }`
[INFO] [stdout] 6631d447e74bc62cb68b1c010077ed244705fef0748a357168367ee60ad8f01e
