[INFO] fetching crate teensy4-panic 0.2.1...
[INFO] testing teensy4-panic-0.2.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate teensy4-panic 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate teensy4-panic 0.2.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate teensy4-panic 0.2.1
[INFO] finished tweaking crates.io crate teensy4-panic 0.2.1
[INFO] tweaked toml for crates.io crate teensy4-panic 0.2.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2deb1ae27e3f9d5b5d4c524d6c901f5f7e3753236dd01a07fe4c00ce7c9fad2
[INFO] running `Command { std: "docker" "start" "-a" "f2deb1ae27e3f9d5b5d4c524d6c901f5f7e3753236dd01a07fe4c00ce7c9fad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2deb1ae27e3f9d5b5d4c524d6c901f5f7e3753236dd01a07fe4c00ce7c9fad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2deb1ae27e3f9d5b5d4c524d6c901f5f7e3753236dd01a07fe4c00ce7c9fad2", kill_on_drop: false }`
[INFO] [stdout] f2deb1ae27e3f9d5b5d4c524d6c901f5f7e3753236dd01a07fe4c00ce7c9fad2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63a60dff692523d3544ac3aa196eb9b12359bfed6ee45d142706f14ca7e9ce18
[INFO] running `Command { std: "docker" "start" "-a" "63a60dff692523d3544ac3aa196eb9b12359bfed6ee45d142706f14ca7e9ce18", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling teensy4-panic v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "63a60dff692523d3544ac3aa196eb9b12359bfed6ee45d142706f14ca7e9ce18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63a60dff692523d3544ac3aa196eb9b12359bfed6ee45d142706f14ca7e9ce18", kill_on_drop: false }`
[INFO] [stdout] 63a60dff692523d3544ac3aa196eb9b12359bfed6ee45d142706f14ca7e9ce18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef5ac92d447567a0bca338b2ceb5f40d4559828a507dfb23d0478943a907d92e
[INFO] running `Command { std: "docker" "start" "-a" "ef5ac92d447567a0bca338b2ceb5f40d4559828a507dfb23d0478943a907d92e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] running `Command { std: "docker" "inspect" "ef5ac92d447567a0bca338b2ceb5f40d4559828a507dfb23d0478943a907d92e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef5ac92d447567a0bca338b2ceb5f40d4559828a507dfb23d0478943a907d92e", kill_on_drop: false }`
[INFO] [stdout] ef5ac92d447567a0bca338b2ceb5f40d4559828a507dfb23d0478943a907d92e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b89af40eeaef7232019606ca89c29ebb0a9eb92c2a7371f09a9b18760798f4c0
[INFO] running `Command { std: "docker" "start" "-a" "b89af40eeaef7232019606ca89c29ebb0a9eb92c2a7371f09a9b18760798f4c0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]    Doc-tests teensy4-panic
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 48) - compile ... FAILED
[INFO] [stdout] test src/lib.rs - (line 18) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 70) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 48) stdout ----
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:48:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(lang_items)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]  --> src/lib.rs:54:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn panic(_: &core::panic::PanicInfo) -> ! {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: the lang item is first defined in crate `teensy4_panic` (which `rust_out` depends on)
[INFO] [stdout]   = note: first definition in `teensy4_panic` loaded from /opt/rustwide/target/debug/deps/libteensy4_panic-4442e33bfe71e249.rlib
[INFO] [stdout]   = note: second definition in the local crate (`rust_out`)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0152, E0554.
[INFO] [stdout] For more information about an error, try `rustc --explain E0152`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 18) stdout ----
[INFO] [stdout] error: duplicate lang item in crate `teensy4_panic` (which `rust_out` depends on): `panic_impl`.
[INFO] [stdout]   |
[INFO] [stdout]   = note: the lang item is first defined in crate `std` (which `rust_out` depends on)
[INFO] [stdout]   = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-a46a068050a12a4b.so, /opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-a46a068050a12a4b.rlib
[INFO] [stdout]   = note: second definition in `teensy4_panic` loaded from /opt/rustwide/target/debug/deps/libteensy4_panic-4442e33bfe71e249.rlib
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 18)
[INFO] [stdout]     src/lib.rs - (line 48)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "b89af40eeaef7232019606ca89c29ebb0a9eb92c2a7371f09a9b18760798f4c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b89af40eeaef7232019606ca89c29ebb0a9eb92c2a7371f09a9b18760798f4c0", kill_on_drop: false }`
[INFO] [stdout] b89af40eeaef7232019606ca89c29ebb0a9eb92c2a7371f09a9b18760798f4c0