[INFO] cloning repository https://github.com/DiscoBiscuit99/yaksay
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DiscoBiscuit99/yaksay" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDiscoBiscuit99%2Fyaksay", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDiscoBiscuit99%2Fyaksay'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1275a1ce0726c2af5ed066123e7d3538dc4b89d0
[INFO] checking DiscoBiscuit99/yaksay 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%2FDiscoBiscuit99%2Fyaksay" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/DiscoBiscuit99/yaksay
[INFO] finished tweaking git repo https://github.com/DiscoBiscuit99/yaksay
[INFO] tweaked toml for git repo https://github.com/DiscoBiscuit99/yaksay written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DiscoBiscuit99/yaksay 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/DiscoBiscuit99/yaksay 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] 0718df4b057cb710cd51dc19de44105fccc2caf10bd7b2cac09ab7c65c8065d8
[INFO] running `Command { std: "docker" "start" "-a" "0718df4b057cb710cd51dc19de44105fccc2caf10bd7b2cac09ab7c65c8065d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0718df4b057cb710cd51dc19de44105fccc2caf10bd7b2cac09ab7c65c8065d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0718df4b057cb710cd51dc19de44105fccc2caf10bd7b2cac09ab7c65c8065d8", kill_on_drop: false }`
[INFO] [stdout] 0718df4b057cb710cd51dc19de44105fccc2caf10bd7b2cac09ab7c65c8065d8
[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] 891c97dff2e866e20de2d4d7a14be12958bd4b4169b84e9f030f6a18977c409b
[INFO] running `Command { std: "docker" "start" "-a" "891c97dff2e866e20de2d4d7a14be12958bd4b4169b84e9f030f6a18977c409b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking float-cmp v0.6.0
[INFO] [stderr]     Checking addr2line v0.12.1
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking predicates v1.0.4
[INFO] [stderr]     Checking assert_cmd v1.0.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Checking yaksay v1.5.8 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/yak.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | /     #[structopt(default_value = "Mooh!")]
[INFO] [stdout] 10 | |     /// What will the yak say?
[INFO] [stdout] 11 | |     pub message: 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/yak.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     #[structopt(short = "c", long = "color", default_value = "yellow")]
[INFO] [stdout] 13 | |     /// How to color the input.
[INFO] [stdout] 14 | |     color: String,
[INFO] [stdout]    | |_________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/yak.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     #[structopt(short = "w", long = "width", default_value = "15")]
[INFO] [stdout] 16 | |     /// Width for the text to wrap.
[INFO] [stdout] 17 | |     width: String,
[INFO] [stdout]    | |_________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/yak.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | /     #[structopt(long = "border", default_value = "fancy")]
[INFO] [stdout] 19 | |     /// Set the border style of the enclosure displaying the message.
[INFO] [stdout] 20 | |     border: String,
[INFO] [stdout]    | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/yak.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | /     #[structopt(default_value = "Mooh!")]
[INFO] [stdout] 10 | |     /// What will the yak say?
[INFO] [stdout] 11 | |     pub message: 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/yak.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     #[structopt(short = "c", long = "color", default_value = "yellow")]
[INFO] [stdout] 13 | |     /// How to color the input.
[INFO] [stdout] 14 | |     color: String,
[INFO] [stdout]    | |_________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/yak.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     #[structopt(short = "w", long = "width", default_value = "15")]
[INFO] [stdout] 16 | |     /// Width for the text to wrap.
[INFO] [stdout] 17 | |     width: String,
[INFO] [stdout]    | |_________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/yak.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | /     #[structopt(long = "border", default_value = "fancy")]
[INFO] [stdout] 19 | |     /// Set the border style of the enclosure displaying the message.
[INFO] [stdout] 20 | |     border: String,
[INFO] [stdout]    | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yaksay` (bin "yaksay" test) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `yaksay` (bin "yaksay") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "891c97dff2e866e20de2d4d7a14be12958bd4b4169b84e9f030f6a18977c409b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "891c97dff2e866e20de2d4d7a14be12958bd4b4169b84e9f030f6a18977c409b", kill_on_drop: false }`
[INFO] [stdout] 891c97dff2e866e20de2d4d7a14be12958bd4b4169b84e9f030f6a18977c409b
