[INFO] fetching crate gimli_rs 0.2.0...
[INFO] checking gimli_rs-0.2.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate gimli_rs 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate gimli_rs 0.2.0
[INFO] finished tweaking crates.io crate gimli_rs 0.2.0
[INFO] tweaked toml for crates.io crate gimli_rs 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gimli_rs 0.2.0 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 gimli_rs 0.2.0 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5f4e804e713d60f9ff061f4e90c790bd6cc32b442351e4a7de0b282f0f1aea34
[INFO] running `Command { std: "docker" "start" "-a" "5f4e804e713d60f9ff061f4e90c790bd6cc32b442351e4a7de0b282f0f1aea34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f4e804e713d60f9ff061f4e90c790bd6cc32b442351e4a7de0b282f0f1aea34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f4e804e713d60f9ff061f4e90c790bd6cc32b442351e4a7de0b282f0f1aea34", kill_on_drop: false }`
[INFO] [stdout] 5f4e804e713d60f9ff061f4e90c790bd6cc32b442351e4a7de0b282f0f1aea34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a1faed37a8a81d0cda2807789336e9e24c7f52d96b177397d748642ac26bd801
[INFO] running `Command { std: "docker" "start" "-a" "a1faed37a8a81d0cda2807789336e9e24c7f52d96b177397d748642ac26bd801", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]    Compiling unicode-segmentation v1.5.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling structopt-derive v0.3.4
[INFO] [stderr]     Checking structopt v0.3.4
[INFO] [stderr]     Checking gimli_rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | /     /// Input.
[INFO] [stdout] 27 | |     #[structopt(
[INFO] [stdout] 28 | |         short = "i",
[INFO] [stdout] 29 | |         long = "input"
[INFO] [stdout] 30 | |         )]
[INFO] [stdout] 31 | |     input: 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/main.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | /     /// Output. Defaults to std out.
[INFO] [stdout] 51 | |     #[structopt(
[INFO] [stdout] 52 | |         short = "o",
[INFO] [stdout] 53 | |         long = "out",
[INFO] [stdout] 54 | |         )]
[INFO] [stdout] 55 | |     output: Option<String>,
[INFO] [stdout]    | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | /     /// Crypto Key.
[INFO] [stdout] 58 | |     #[structopt(
[INFO] [stdout] 59 | |         short = "k",
[INFO] [stdout] 60 | |         long = "key",
[INFO] [stdout] ...  |
[INFO] [stdout] 64 | |         )]
[INFO] [stdout] 65 | |     key: String,
[INFO] [stdout]    | |_______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 | /         /// Associated data.
[INFO] [stdout] 68 | |     #[structopt(
[INFO] [stdout] 69 | |         short = "a",
[INFO] [stdout] 70 | |         long = "associated_data",
[INFO] [stdout] ...  |
[INFO] [stdout] 74 | |         )]
[INFO] [stdout] 75 | |     ad: String,
[INFO] [stdout]    | |______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | /     /// Input.
[INFO] [stdout] 27 | |     #[structopt(
[INFO] [stdout] 28 | |         short = "i",
[INFO] [stdout] 29 | |         long = "input"
[INFO] [stdout] 30 | |         )]
[INFO] [stdout] 31 | |     input: 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 `gimli_rs` (bin "gimli_rs") due to 4 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | /     /// Output. Defaults to std out.
[INFO] [stdout] 51 | |     #[structopt(
[INFO] [stdout] 52 | |         short = "o",
[INFO] [stdout] 53 | |         long = "out",
[INFO] [stdout] 54 | |         )]
[INFO] [stdout] 55 | |     output: Option<String>,
[INFO] [stdout]    | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[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/main.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | /     /// Crypto Key.
[INFO] [stdout] 58 | |     #[structopt(
[INFO] [stdout] 59 | |         short = "k",
[INFO] [stdout] 60 | |         long = "key",
[INFO] [stdout] ...  |
[INFO] [stdout] 64 | |         )]
[INFO] [stdout] 65 | |     key: String,
[INFO] [stdout]    | |_______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 | /         /// Associated data.
[INFO] [stdout] 68 | |     #[structopt(
[INFO] [stdout] 69 | |         short = "a",
[INFO] [stdout] 70 | |         long = "associated_data",
[INFO] [stdout] ...  |
[INFO] [stdout] 74 | |         )]
[INFO] [stdout] 75 | |     ad: String,
[INFO] [stdout]    | |______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gimli_rs` (bin "gimli_rs" test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "a1faed37a8a81d0cda2807789336e9e24c7f52d96b177397d748642ac26bd801", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1faed37a8a81d0cda2807789336e9e24c7f52d96b177397d748642ac26bd801", kill_on_drop: false }`
[INFO] [stdout] a1faed37a8a81d0cda2807789336e9e24c7f52d96b177397d748642ac26bd801