[INFO] fetching crate strlen 1.0.0...
[INFO] testing strlen-1.0.0 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate strlen 1.0.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate strlen 1.0.0
[INFO] finished tweaking crates.io crate strlen 1.0.0
[INFO] tweaked toml for crates.io crate strlen 1.0.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate strlen 1.0.0 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb74d1fa0debb43d7b40fadb4a4b4b18d337fc728fd60a4c8cc1a48a99d36c91
[INFO] running `Command { std: "docker" "start" "-a" "bb74d1fa0debb43d7b40fadb4a4b4b18d337fc728fd60a4c8cc1a48a99d36c91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb74d1fa0debb43d7b40fadb4a4b4b18d337fc728fd60a4c8cc1a48a99d36c91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb74d1fa0debb43d7b40fadb4a4b4b18d337fc728fd60a4c8cc1a48a99d36c91", kill_on_drop: false }`
[INFO] [stdout] bb74d1fa0debb43d7b40fadb4a4b4b18d337fc728fd60a4c8cc1a48a99d36c91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a47d755f91e3dbf6fcf054d1d60cafb0ebb378b8004e77ecf10d471653620b99
[INFO] running `Command { std: "docker" "start" "-a" "a47d755f91e3dbf6fcf054d1d60cafb0ebb378b8004e77ecf10d471653620b99", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling strlen v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0631]: type mismatch in function arguments
[INFO] [stdout]   --> src/lib.rs:71:39
[INFO] [stdout]    |
[INFO] [stdout] 52 |     const fn strcpy_ct(dst: *mut u8, src: *const u8) -> *mut u8 {
[INFO] [stdout]    |     ----------------------------------------------------------- found signature defined here
[INFO] [stdout] ...
[INFO] [stdout] 71 |     const_eval_select((dest,source,), strcpy_ct, strcpy_rt)
[INFO] [stdout]    |     -----------------                 ^^^^^^^^^ expected due to this
[INFO] [stdout]    |     |
[INFO] [stdout]    |     required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected function signature `fn(*mut i8, *const i8) -> _`
[INFO] [stdout]               found function signature `fn(*mut u8, *const u8) -> _`
[INFO] [stdout] note: required by a bound in `const_eval_select`
[INFO] [stdout]   --> /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/intrinsics/mod.rs:2401:0
[INFO] [stdout] help: consider wrapping the function in a closure
[INFO] [stdout]    |
[INFO] [stdout] 71 |     const_eval_select((dest,source,), |arg0: *mut i8, arg1: *const i8| strcpy_ct(/* *mut u8 */, /* *const u8 */), strcpy_rt)
[INFO] [stdout]    |                                       ++++++++++++++++++++++++++++++++          ++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0631`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `strlen` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a47d755f91e3dbf6fcf054d1d60cafb0ebb378b8004e77ecf10d471653620b99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a47d755f91e3dbf6fcf054d1d60cafb0ebb378b8004e77ecf10d471653620b99", kill_on_drop: false }`
[INFO] [stdout] a47d755f91e3dbf6fcf054d1d60cafb0ebb378b8004e77ecf10d471653620b99
