[INFO] fetching crate rusty-forkfork 0.4.0... [INFO] checking rusty-forkfork-0.4.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate rusty-forkfork 0.4.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate rusty-forkfork 0.4.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rusty-forkfork 0.4.0 [INFO] finished tweaking crates.io crate rusty-forkfork 0.4.0 [INFO] tweaked toml for crates.io crate rusty-forkfork 0.4.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 21 packages [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding quick-error v1.2.3 (latest: v2.0.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 08c1ec815faf44335e54ece9728480be550140ae0fc5b0876661d5b515e3c705 [INFO] running `Command { std: "docker" "start" "-a" "08c1ec815faf44335e54ece9728480be550140ae0fc5b0876661d5b515e3c705", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "08c1ec815faf44335e54ece9728480be550140ae0fc5b0876661d5b515e3c705", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "08c1ec815faf44335e54ece9728480be550140ae0fc5b0876661d5b515e3c705", kill_on_drop: false }` [INFO] [stdout] 08c1ec815faf44335e54ece9728480be550140ae0fc5b0876661d5b515e3c705 [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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4196bf1097c8d278e179c2d30440dcaf6ae21d2d38965f1eaa090e0eaef8e95a [INFO] running `Command { std: "docker" "start" "-a" "4196bf1097c8d278e179c2d30440dcaf6ae21d2d38965f1eaa090e0eaef8e95a", kill_on_drop: false }` [INFO] [stderr] Compiling rustix v0.38.32 [INFO] [stderr] Checking linux-raw-sys v0.4.13 [INFO] [stderr] Checking fastrand v2.0.2 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking tempfile v3.10.1 [INFO] [stderr] Checking rusty-forkfork v0.4.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.04s [INFO] running `Command { std: "docker" "inspect" "4196bf1097c8d278e179c2d30440dcaf6ae21d2d38965f1eaa090e0eaef8e95a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4196bf1097c8d278e179c2d30440dcaf6ae21d2d38965f1eaa090e0eaef8e95a", kill_on_drop: false }` [INFO] [stdout] 4196bf1097c8d278e179c2d30440dcaf6ae21d2d38965f1eaa090e0eaef8e95a [INFO] checking rusty-forkfork-0.4.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate rusty-forkfork 0.4.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate rusty-forkfork 0.4.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rusty-forkfork 0.4.0 [INFO] finished tweaking crates.io crate rusty-forkfork 0.4.0 [INFO] tweaked toml for crates.io crate rusty-forkfork 0.4.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 21 packages [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding quick-error v1.2.3 (latest: v2.0.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0aa94b7d3a1526415c12abcb410faa7c883346c5f7ebb351ff9e0fa06939540a [INFO] running `Command { std: "docker" "start" "-a" "0aa94b7d3a1526415c12abcb410faa7c883346c5f7ebb351ff9e0fa06939540a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0aa94b7d3a1526415c12abcb410faa7c883346c5f7ebb351ff9e0fa06939540a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0aa94b7d3a1526415c12abcb410faa7c883346c5f7ebb351ff9e0fa06939540a", kill_on_drop: false }` [INFO] [stdout] 0aa94b7d3a1526415c12abcb410faa7c883346c5f7ebb351ff9e0fa06939540a [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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a248f23355ed1acbbef8d52ecf1a0f67a7cbc693014f4994d4030f796b96d7ff [INFO] running `Command { std: "docker" "start" "-a" "a248f23355ed1acbbef8d52ecf1a0f67a7cbc693014f4994d4030f796b96d7ff", kill_on_drop: false }` [INFO] [stderr] Compiling rustix v0.38.32 [INFO] [stderr] Checking linux-raw-sys v0.4.13 [INFO] [stderr] Checking fastrand v2.0.2 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking tempfile v3.10.1 [INFO] [stderr] Checking rusty-forkfork v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0277]: the trait bound `!: TestExitStatus<_>` is not satisfied [INFO] [stdout] --> src/fork.rs:380:22 [INFO] [stdout] | [INFO] [stdout] 380 | let status = fork( [INFO] [stdout] | ______________________^ [INFO] [stdout] 381 | | "fork::test::child_aborted_if_panics", [INFO] [stdout] 382 | | rusty_fork_id!(), [INFO] [stdout] 383 | | |_| (), [INFO] [stdout] 384 | | |child, _| child.wait().unwrap(), [INFO] [stdout] 385 | | || panic!("testing a panic, nothing to see here"), [INFO] [stdout] 386 | | ) [INFO] [stdout] | |_________^ the trait `TestExitStatus<_>` is not implemented for `!` [INFO] [stdout] | [INFO] [stdout] = help: the following other types implement trait `TestExitStatus`: [INFO] [stdout] <() as TestExitStatus<()>> [INFO] [stdout] as TestExitStatus<()>> [INFO] [stdout] as TestExitStatus> [INFO] [stdout] = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #48950 for more information) [INFO] [stdout] = help: did you intend to use the type `()` here instead? [INFO] [stdout] note: required by a bound in `fork::fork` [INFO] [stdout] --> src/fork.rs:119:8 [INFO] [stdout] | [INFO] [stdout] 108 | pub fn fork( [INFO] [stdout] | ---- required by a bound in this function [INFO] [stdout] ... [INFO] [stdout] 119 | T: TestExitStatus, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ required by this bound in `fork` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rusty-forkfork` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "a248f23355ed1acbbef8d52ecf1a0f67a7cbc693014f4994d4030f796b96d7ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a248f23355ed1acbbef8d52ecf1a0f67a7cbc693014f4994d4030f796b96d7ff", kill_on_drop: false }` [INFO] [stdout] a248f23355ed1acbbef8d52ecf1a0f67a7cbc693014f4994d4030f796b96d7ff