[INFO] fetching crate assert_let_bind 0.1.1...
[INFO] testing assert_let_bind-0.1.1 against 1.75.0 for beta-1.76-1
[INFO] extracting crate assert_let_bind 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate assert_let_bind 0.1.1 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate assert_let_bind 0.1.1
[INFO] finished tweaking crates.io crate assert_let_bind 0.1.1
[INFO] tweaked toml for crates.io crate assert_let_bind 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ac84a566c4032487b9e0d8b3e9479fde88b4b0028ae88a0d8eb581cfd02bf63
[INFO] running `Command { std: "docker" "start" "-a" "3ac84a566c4032487b9e0d8b3e9479fde88b4b0028ae88a0d8eb581cfd02bf63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ac84a566c4032487b9e0d8b3e9479fde88b4b0028ae88a0d8eb581cfd02bf63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ac84a566c4032487b9e0d8b3e9479fde88b4b0028ae88a0d8eb581cfd02bf63", kill_on_drop: false }`
[INFO] [stdout] 3ac84a566c4032487b9e0d8b3e9479fde88b4b0028ae88a0d8eb581cfd02bf63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 111f815e90588fe9fdcf4c3f20fb4e4e09cc8210228dea595c73d91d4b8a0820
[INFO] running `Command { std: "docker" "start" "-a" "111f815e90588fe9fdcf4c3f20fb4e4e09cc8210228dea595c73d91d4b8a0820", kill_on_drop: false }`
[INFO] [stderr]    Compiling assert_let_bind v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "111f815e90588fe9fdcf4c3f20fb4e4e09cc8210228dea595c73d91d4b8a0820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "111f815e90588fe9fdcf4c3f20fb4e4e09cc8210228dea595c73d91d4b8a0820", kill_on_drop: false }`
[INFO] [stdout] 111f815e90588fe9fdcf4c3f20fb4e4e09cc8210228dea595c73d91d4b8a0820
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcdcb87e9952c80f9e386add0170b49f18b9ba290fa50c3389e83dc47ade420f
[INFO] running `Command { std: "docker" "start" "-a" "dcdcb87e9952c80f9e386add0170b49f18b9ba290fa50c3389e83dc47ade420f", kill_on_drop: false }`
[INFO] [stderr]    Compiling assert_let_bind v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> tests/tests.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(let_else)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `let_else` has been stable since `1.65.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `let_else` has been stable since 1.65.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> tests/tests.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(let_else)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `assert_let_bind` (test "tests") due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "dcdcb87e9952c80f9e386add0170b49f18b9ba290fa50c3389e83dc47ade420f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcdcb87e9952c80f9e386add0170b49f18b9ba290fa50c3389e83dc47ade420f", kill_on_drop: false }`
[INFO] [stdout] dcdcb87e9952c80f9e386add0170b49f18b9ba290fa50c3389e83dc47ade420f
