[INFO] fetching crate inlinable_string 0.1.15...
[INFO] checking inlinable_string-0.1.15 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate inlinable_string 0.1.15 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate inlinable_string 0.1.15
[INFO] finished tweaking crates.io crate inlinable_string 0.1.15
[INFO] tweaked toml for crates.io crate inlinable_string 0.1.15 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate inlinable_string 0.1.15 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f8f2859b03f2c3666ae6a6b488383d9ef200fe32db30378362a90b4ac2c32b49
[INFO] running `Command { std: "docker" "start" "-a" "f8f2859b03f2c3666ae6a6b488383d9ef200fe32db30378362a90b4ac2c32b49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8f2859b03f2c3666ae6a6b488383d9ef200fe32db30378362a90b4ac2c32b49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8f2859b03f2c3666ae6a6b488383d9ef200fe32db30378362a90b4ac2c32b49", kill_on_drop: false }`
[INFO] [stdout] f8f2859b03f2c3666ae6a6b488383d9ef200fe32db30378362a90b4ac2c32b49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ecc747acd5d7271b3bc6477de914630b12dfe1a40e8bdbd4490c8b04f1b7aa55
[INFO] running `Command { std: "docker" "start" "-a" "ecc747acd5d7271b3bc6477de914630b12dfe1a40e8bdbd4490c8b04f1b7aa55", kill_on_drop: false }`
[INFO] [stderr]     Checking serde_test v1.0.177
[INFO] [stderr]     Checking inlinable_string v0.1.15 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<InlinableString, Infallible>
[INFO] [stdout]    --> src/lib.rs:252:74
[INFO] [stdout]     |
[INFO] [stdout] 252 |       fn from_str(s: &str) -> Result<InlinableString, convert::Infallible> {
[INFO] [stdout]     |  __________________________________________________________________________^
[INFO] [stdout] 253 | |         Ok(InlinableString::from(s))
[INFO] [stdout] 254 | |     }
[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<InlinableString, Infallible>
[INFO] [stdout]    --> src/lib.rs:253:9
[INFO] [stdout]     |
[INFO] [stdout] 253 |         Ok(InlinableString::from(s))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `inlinable_string` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ecc747acd5d7271b3bc6477de914630b12dfe1a40e8bdbd4490c8b04f1b7aa55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecc747acd5d7271b3bc6477de914630b12dfe1a40e8bdbd4490c8b04f1b7aa55", kill_on_drop: false }`
[INFO] [stdout] ecc747acd5d7271b3bc6477de914630b12dfe1a40e8bdbd4490c8b04f1b7aa55
