[INFO] fetching crate claims 0.7.1... [INFO] checking claims-0.7.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate claims 0.7.1 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate claims 0.7.1 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate claims 0.7.1 [INFO] finished tweaking crates.io crate claims 0.7.1 [INFO] tweaked toml for crates.io crate claims 0.7.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 2 packages [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b10c5d7c6981452fb32e512a799cd31ed28d00cc920ac247dafcea1b29ef5467 [INFO] running `Command { std: "docker" "start" "-a" "b10c5d7c6981452fb32e512a799cd31ed28d00cc920ac247dafcea1b29ef5467", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b10c5d7c6981452fb32e512a799cd31ed28d00cc920ac247dafcea1b29ef5467", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b10c5d7c6981452fb32e512a799cd31ed28d00cc920ac247dafcea1b29ef5467", kill_on_drop: false }` [INFO] [stdout] b10c5d7c6981452fb32e512a799cd31ed28d00cc920ac247dafcea1b29ef5467 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6a0f5228228b6e597687feaaa7a63a6ac2f2d724bb88b71e23ca9a1f78842f45 [INFO] running `Command { std: "docker" "start" "-a" "6a0f5228228b6e597687feaaa7a63a6ac2f2d724bb88b71e23ca9a1f78842f45", kill_on_drop: false }` [INFO] [stderr] Compiling claims v0.7.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s [INFO] running `Command { std: "docker" "inspect" "6a0f5228228b6e597687feaaa7a63a6ac2f2d724bb88b71e23ca9a1f78842f45", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a0f5228228b6e597687feaaa7a63a6ac2f2d724bb88b71e23ca9a1f78842f45", kill_on_drop: false }` [INFO] [stdout] 6a0f5228228b6e597687feaaa7a63a6ac2f2d724bb88b71e23ca9a1f78842f45 [INFO] checking claims-0.7.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate claims 0.7.1 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate claims 0.7.1 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate claims 0.7.1 [INFO] finished tweaking crates.io crate claims 0.7.1 [INFO] tweaked toml for crates.io crate claims 0.7.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 538096207c3ccda0d45ee79eda80979ddd3ded8e198d262473d22d26bfcaa8ab [INFO] running `Command { std: "docker" "start" "-a" "538096207c3ccda0d45ee79eda80979ddd3ded8e198d262473d22d26bfcaa8ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "538096207c3ccda0d45ee79eda80979ddd3ded8e198d262473d22d26bfcaa8ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "538096207c3ccda0d45ee79eda80979ddd3ded8e198d262473d22d26bfcaa8ab", kill_on_drop: false }` [INFO] [stdout] 538096207c3ccda0d45ee79eda80979ddd3ded8e198d262473d22d26bfcaa8ab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 94de3a56f1373dcd71be05129954f605234ebb09ea8d5b92807db391a4aad2fa [INFO] running `Command { std: "docker" "start" "-a" "94de3a56f1373dcd71be05129954f605234ebb09ea8d5b92807db391a4aad2fa", kill_on_drop: false }` [INFO] [stderr] Compiling claims v0.7.1 (/opt/rustwide/workdir) [INFO] [stdout] error: allow(unreachable_code) incompatible with previous forbid [INFO] [stdout] --> src/assert_err.rs:89:9 [INFO] [stdout] | [INFO] [stdout] 89 | assert_err!(res); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ overruled by previous forbid [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | unused, [INFO] [stdout] | ------ `forbid` level set here [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #81670 [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | future_incompatible, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[forbid(forbidden_lint_groups)]` implied by `#[forbid(future_incompatible)]` [INFO] [stdout] = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `assert_err` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: allow(unreachable_code) incompatible with previous forbid [INFO] [stdout] --> src/assert_err.rs:98:9 [INFO] [stdout] | [INFO] [stdout] 98 | assert_err!(res, "we are checking if there was an error with {:?}", res); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overruled by previous forbid [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | unused, [INFO] [stdout] | ------ `forbid` level set here [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #81670 [INFO] [stdout] = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `assert_err` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: allow(unreachable_code) incompatible with previous forbid [INFO] [stdout] --> src/assert_err.rs:108:17 [INFO] [stdout] | [INFO] [stdout] 108 | let _ = assert_err!(res); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ overruled by previous forbid [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | unused, [INFO] [stdout] | ------ `forbid` level set here [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #81670 [INFO] [stdout] = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `assert_err` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: allow(unreachable_code) incompatible with previous forbid [INFO] [stdout] --> src/assert_ok.rs:101:9 [INFO] [stdout] | [INFO] [stdout] 101 | assert_ok!(res); [INFO] [stdout] | ^^^^^^^^^^^^^^^ overruled by previous forbid [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | unused, [INFO] [stdout] | ------ `forbid` level set here [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #81670 [INFO] [stdout] = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `assert_ok` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: allow(unreachable_code) incompatible with previous forbid [INFO] [stdout] --> src/assert_ok.rs:110:9 [INFO] [stdout] | [INFO] [stdout] 110 | assert_ok!(res, "Everything is good with {:?}", res); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overruled by previous forbid [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | unused, [INFO] [stdout] | ------ `forbid` level set here [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #81670 [INFO] [stdout] = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `assert_ok` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: allow(unreachable_code) incompatible with previous forbid [INFO] [stdout] --> src/assert_ok.rs:120:17 [INFO] [stdout] | [INFO] [stdout] 120 | let _ = assert_ok!(res); [INFO] [stdout] | ^^^^^^^^^^^^^^^ overruled by previous forbid [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | unused, [INFO] [stdout] | ------ `forbid` level set here [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #81670 [INFO] [stdout] = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `assert_ok` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: allow(unreachable_code) incompatible with previous forbid [INFO] [stdout] --> src/assert_some.rs:98:17 [INFO] [stdout] | [INFO] [stdout] 98 | let _ = assert_some!( [INFO] [stdout] | _________________^ [INFO] [stdout] 99 | | maybe, [INFO] [stdout] 100 | | "we are checking if there was an error with {:?}", [INFO] [stdout] 101 | | maybe [INFO] [stdout] 102 | | ); [INFO] [stdout] | |_________^ overruled by previous forbid [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | unused, [INFO] [stdout] | ------ `forbid` level set here [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #81670 [INFO] [stdout] = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `assert_some` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed for `Result` [INFO] [stdout] --> src/assert_ok.rs:100:13 [INFO] [stdout] | [INFO] [stdout] 100 | let res = Err(()); [INFO] [stdout] | ^^^ ------- type must be known at this point [INFO] [stdout] | [INFO] [stdout] help: consider giving `res` an explicit type, where the type for type parameter `T` is specified [INFO] [stdout] | [INFO] [stdout] 100 | let res: Result = Err(()); [INFO] [stdout] | +++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed for `Result` [INFO] [stdout] --> src/assert_ok.rs:109:13 [INFO] [stdout] | [INFO] [stdout] 109 | let res = Err(()); [INFO] [stdout] | ^^^ ------- type must be known at this point [INFO] [stdout] | [INFO] [stdout] help: consider giving `res` an explicit type, where the type for type parameter `T` is specified [INFO] [stdout] | [INFO] [stdout] 109 | let res: Result = Err(()); [INFO] [stdout] | +++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 9 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `claims` (lib test) due to 10 previous errors [INFO] running `Command { std: "docker" "inspect" "94de3a56f1373dcd71be05129954f605234ebb09ea8d5b92807db391a4aad2fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94de3a56f1373dcd71be05129954f605234ebb09ea8d5b92807db391a4aad2fa", kill_on_drop: false }` [INFO] [stdout] 94de3a56f1373dcd71be05129954f605234ebb09ea8d5b92807db391a4aad2fa