[INFO] fetching crate blunder 0.2.1... [INFO] checking blunder-0.2.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate blunder 0.2.1 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate blunder 0.2.1 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 blunder 0.2.1 [INFO] finished tweaking crates.io crate blunder 0.2.1 [INFO] tweaked toml for crates.io crate blunder 0.2.1 written to /workspace/builds/worker-6-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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 24 packages [INFO] [stderr] Adding errno v0.2.8 (latest: v0.3.8) [INFO] [stderr] Adding num v0.1.42 (latest: v0.4.1) [INFO] [stderr] Adding num-bigint v0.1.44 (latest: v0.4.4) [INFO] [stderr] Adding num-complex v0.1.43 (latest: v0.4.5) [INFO] [stderr] Adding num-rational v0.1.42 (latest: v0.4.1) [INFO] [stderr] Adding num-traits v0.1.43 (latest: v0.2.18) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded num-traits v0.1.43 [INFO] [stderr] Downloaded num-rational v0.1.42 [INFO] [stderr] Downloaded enum_primitive v0.1.1 [INFO] [stderr] Downloaded num-complex v0.1.43 [INFO] [stderr] Downloaded num v0.1.42 [INFO] [stderr] Downloaded num-bigint v0.1.44 [INFO] [stderr] Downloaded rustc-serialize v0.3.25 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 8ef8a9a5b76f6255a4755ff89862438da1ae8d1f33ae58be24cf2b010ea90000 [INFO] running `Command { std: "docker" "start" "-a" "8ef8a9a5b76f6255a4755ff89862438da1ae8d1f33ae58be24cf2b010ea90000", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8ef8a9a5b76f6255a4755ff89862438da1ae8d1f33ae58be24cf2b010ea90000", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ef8a9a5b76f6255a4755ff89862438da1ae8d1f33ae58be24cf2b010ea90000", kill_on_drop: false }` [INFO] [stdout] 8ef8a9a5b76f6255a4755ff89862438da1ae8d1f33ae58be24cf2b010ea90000 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1ce5e71124d743f7014b66834b5cb0219fc299fa9988344131c750506bf157da [INFO] running `Command { std: "docker" "start" "-a" "1ce5e71124d743f7014b66834b5cb0219fc299fa9988344131c750506bf157da", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Checking errno v0.2.8 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking blunder v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/lib.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/lib.rs:93:6 [INFO] [stdout] | [INFO] [stdout] 93 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/lib.rs:120:6 [INFO] [stdout] | [INFO] [stdout] 120 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/lib.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trailing semicolon in macro used in expression position [INFO] [stdout] --> src/lib.rs:21:77 [INFO] [stdout] | [INFO] [stdout] 21 | return ::std::result::Result::Err(::std::convert::From::from($expr)); [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 119 | fail!(Wat::One) [INFO] [stdout] | --------------- in this macro invocation [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 #79813 [INFO] [stdout] = note: macro invocations at the end of a block are treated as expressions [INFO] [stdout] = note: to ignore the value produced by the macro, add a semicolon after the invocation of `fail` [INFO] [stdout] = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default [INFO] [stdout] = note: this warning originates in the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:69:32 [INFO] [stdout] | [INFO] [stdout] 69 | fn cause(&self) -> Option<&StdError> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 69 | fn cause(&self) -> Option<&dyn StdError> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:69:32 [INFO] [stdout] | [INFO] [stdout] 69 | fn cause(&self) -> Option<&StdError> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 69 | fn cause(&self) -> Option<&dyn StdError> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/bsd.rs:412:32 [INFO] [stdout] | [INFO] [stdout] 412 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 412 | fn cause(&self) -> Option<&dyn Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:103:36 [INFO] [stdout] | [INFO] [stdout] 103 | fn cause(&self) -> Option<&StdError> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 103 | fn cause(&self) -> Option<&dyn StdError> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/bsd.rs:412:32 [INFO] [stdout] | [INFO] [stdout] 412 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 412 | fn cause(&self) -> Option<&dyn Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/bsd.rs:419:40 [INFO] [stdout] | [INFO] [stdout] 419 | write!(f, "{}: {}", self, self.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/bsd.rs:419:40 [INFO] [stdout] | [INFO] [stdout] 419 | write!(f, "{}: {}", self, self.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:67:19 [INFO] [stdout] | [INFO] [stdout] 67 | self.kind.description() [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/lib.rs:70:19 [INFO] [stdout] | [INFO] [stdout] 70 | self.kind.cause() [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:76:30 [INFO] [stdout] | [INFO] [stdout] 76 | write!(f, "{}", self.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/lib.rs:112:22 [INFO] [stdout] | [INFO] [stdout] 112 | assert_eq!(error.cause().is_some(), false); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:67:19 [INFO] [stdout] | [INFO] [stdout] 67 | self.kind.description() [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/lib.rs:70:19 [INFO] [stdout] | [INFO] [stdout] 70 | self.kind.cause() [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:113:22 [INFO] [stdout] | [INFO] [stdout] 113 | assert_eq!(error.description(), "wat"); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:76:30 [INFO] [stdout] | [INFO] [stdout] 76 | write!(f, "{}", self.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.62s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: blunder v0.2.1 (/opt/rustwide/workdir), num-bigint v0.1.44, num-complex v0.1.43, num-rational v0.1.42 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "1ce5e71124d743f7014b66834b5cb0219fc299fa9988344131c750506bf157da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ce5e71124d743f7014b66834b5cb0219fc299fa9988344131c750506bf157da", kill_on_drop: false }` [INFO] [stdout] 1ce5e71124d743f7014b66834b5cb0219fc299fa9988344131c750506bf157da [INFO] checking blunder-0.2.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate blunder 0.2.1 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate blunder 0.2.1 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate blunder 0.2.1 [INFO] finished tweaking crates.io crate blunder 0.2.1 [INFO] tweaked toml for crates.io crate blunder 0.2.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d0a7cc25efeb9bdf969ae1a6b384e81ac163175517578ab37926d74cc4805ce9 [INFO] running `Command { std: "docker" "start" "-a" "d0a7cc25efeb9bdf969ae1a6b384e81ac163175517578ab37926d74cc4805ce9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d0a7cc25efeb9bdf969ae1a6b384e81ac163175517578ab37926d74cc4805ce9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d0a7cc25efeb9bdf969ae1a6b384e81ac163175517578ab37926d74cc4805ce9", kill_on_drop: false }` [INFO] [stdout] d0a7cc25efeb9bdf969ae1a6b384e81ac163175517578ab37926d74cc4805ce9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e7123e99c9ac65e548ad20ee4a832f93696e7691a74c52deaecf2541cdcfe1eb [INFO] running `Command { std: "docker" "start" "-a" "e7123e99c9ac65e548ad20ee4a832f93696e7691a74c52deaecf2541cdcfe1eb", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Checking errno v0.2.8 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking blunder v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/lib.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/lib.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/lib.rs:93:6 [INFO] [stdout] | [INFO] [stdout] 93 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/lib.rs:120:6 [INFO] [stdout] | [INFO] [stdout] 120 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trailing semicolon in macro used in expression position [INFO] [stdout] --> src/lib.rs:21:77 [INFO] [stdout] | [INFO] [stdout] 21 | return ::std::result::Result::Err(::std::convert::From::from($expr)); [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 119 | fail!(Wat::One) [INFO] [stdout] | --------------- in this macro invocation [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 #79813 [INFO] [stdout] = note: macro invocations at the end of a block are treated as expressions [INFO] [stdout] = note: to ignore the value produced by the macro, add a semicolon after the invocation of `fail` [INFO] [stdout] = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default [INFO] [stdout] = note: this warning originates in the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:69:32 [INFO] [stdout] | [INFO] [stdout] 69 | fn cause(&self) -> Option<&StdError> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 69 | fn cause(&self) -> Option<&dyn StdError> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:69:32 [INFO] [stdout] | [INFO] [stdout] 69 | fn cause(&self) -> Option<&StdError> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 69 | fn cause(&self) -> Option<&dyn StdError> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:103:36 [INFO] [stdout] | [INFO] [stdout] 103 | fn cause(&self) -> Option<&StdError> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 103 | fn cause(&self) -> Option<&dyn StdError> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/bsd.rs:412:32 [INFO] [stdout] | [INFO] [stdout] 412 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 412 | fn cause(&self) -> Option<&dyn Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/bsd.rs:412:32 [INFO] [stdout] | [INFO] [stdout] 412 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 412 | fn cause(&self) -> Option<&dyn Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/bsd.rs:419:40 [INFO] [stdout] | [INFO] [stdout] 419 | write!(f, "{}: {}", self, self.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:67:19 [INFO] [stdout] | [INFO] [stdout] 67 | self.kind.description() [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/bsd.rs:419:40 [INFO] [stdout] | [INFO] [stdout] 419 | write!(f, "{}: {}", self, self.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/lib.rs:70:19 [INFO] [stdout] | [INFO] [stdout] 70 | self.kind.cause() [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:76:30 [INFO] [stdout] | [INFO] [stdout] 76 | write!(f, "{}", self.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:67:19 [INFO] [stdout] | [INFO] [stdout] 67 | self.kind.description() [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/lib.rs:70:19 [INFO] [stdout] | [INFO] [stdout] 70 | self.kind.cause() [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:76:30 [INFO] [stdout] | [INFO] [stdout] 76 | write!(f, "{}", self.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/lib.rs:112:22 [INFO] [stdout] | [INFO] [stdout] 112 | assert_eq!(error.cause().is_some(), false); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:113:22 [INFO] [stdout] | [INFO] [stdout] 113 | assert_eq!(error.description(), "wat"); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.28s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: blunder v0.2.1 (/opt/rustwide/workdir), num-bigint v0.1.44, num-complex v0.1.43, num-rational v0.1.42 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "e7123e99c9ac65e548ad20ee4a832f93696e7691a74c52deaecf2541cdcfe1eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7123e99c9ac65e548ad20ee4a832f93696e7691a74c52deaecf2541cdcfe1eb", kill_on_drop: false }` [INFO] [stdout] e7123e99c9ac65e548ad20ee4a832f93696e7691a74c52deaecf2541cdcfe1eb