[INFO] cloning repository https://github.com/michirakara/micrypt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michirakara/micrypt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichirakara%2Fmicrypt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichirakara%2Fmicrypt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d231179c45f3f4d0819259ba40ef3ecc8ca23272
[INFO] checking michirakara/micrypt 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%2Fmichirakara%2Fmicrypt" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/michirakara/micrypt
[INFO] finished tweaking git repo https://github.com/michirakara/micrypt
[INFO] tweaked toml for git repo https://github.com/michirakara/micrypt written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/michirakara/micrypt 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/michirakara/micrypt 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f0c5daeed84f9cc4c2d60ad0aeac8394e32a8bcdf5a870a11e93eec52baef21d
[INFO] running `Command { std: "docker" "start" "-a" "f0c5daeed84f9cc4c2d60ad0aeac8394e32a8bcdf5a870a11e93eec52baef21d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0c5daeed84f9cc4c2d60ad0aeac8394e32a8bcdf5a870a11e93eec52baef21d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0c5daeed84f9cc4c2d60ad0aeac8394e32a8bcdf5a870a11e93eec52baef21d", kill_on_drop: false }`
[INFO] [stdout] f0c5daeed84f9cc4c2d60ad0aeac8394e32a8bcdf5a870a11e93eec52baef21d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c5cc1fb99f476f3f696b1b5f400e81537d98a6651e8367902f208a5ea5dea902
[INFO] running `Command { std: "docker" "start" "-a" "c5cc1fb99f476f3f696b1b5f400e81537d98a6651e8367902f208a5ea5dea902", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[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 micrypt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/internal/cmd_enum.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | /         /// text to encrypt/decrypt
[INFO] [stdout] 12 | |         text: 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/internal/cmd_enum.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | /         /// text to encrypt/decrypt
[INFO] [stdout] 19 | |         text: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/internal/cmd_enum.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | /         /// text to encrypt/decrypt
[INFO] [stdout] 28 | |         text: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/internal/cmd_enum.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | /         /// key for cipher. automatically generates random key when not specified
[INFO] [stdout] 30 | |         key: Option<String>,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `micrypt` (bin "micrypt" test) due to 4 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/internal/cmd_enum.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | /         /// text to encrypt/decrypt
[INFO] [stdout] 12 | |         text: 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/internal/cmd_enum.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | /         /// text to encrypt/decrypt
[INFO] [stdout] 19 | |         text: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/internal/cmd_enum.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | /         /// text to encrypt/decrypt
[INFO] [stdout] 28 | |         text: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/internal/cmd_enum.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | /         /// key for cipher. automatically generates random key when not specified
[INFO] [stdout] 30 | |         key: Option<String>,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `micrypt` (bin "micrypt") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "c5cc1fb99f476f3f696b1b5f400e81537d98a6651e8367902f208a5ea5dea902", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5cc1fb99f476f3f696b1b5f400e81537d98a6651e8367902f208a5ea5dea902", kill_on_drop: false }`
[INFO] [stdout] c5cc1fb99f476f3f696b1b5f400e81537d98a6651e8367902f208a5ea5dea902