[INFO] cloning repository https://github.com/OneSadCookie/bf2wasm [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/OneSadCookie/bf2wasm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOneSadCookie%2Fbf2wasm", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOneSadCookie%2Fbf2wasm'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2529315eff62b11e015ddea76956afddbefa8071 [INFO] checking OneSadCookie/bf2wasm against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOneSadCookie%2Fbf2wasm" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/OneSadCookie/bf2wasm 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 git repo https://github.com/OneSadCookie/bf2wasm [INFO] finished tweaking git repo https://github.com/OneSadCookie/bf2wasm [INFO] tweaked toml for git repo https://github.com/OneSadCookie/bf2wasm written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/OneSadCookie/bf2wasm already has a lockfile, it will not be regenerated [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] Updating git repository `https://github.com/OneSadCookie/walrus.git` [INFO] [stderr] Updating git submodule `https://github.com/WebAssembly/testsuite` [INFO] [stderr] Locking 2 packages [INFO] [stderr] Adding walrus v0.8.0 (https://github.com/OneSadCookie/walrus.git?branch=master#5d847ddd) [INFO] [stderr] Adding walrus-macro v0.8.0 (https://github.com/OneSadCookie/walrus.git?branch=master#5d847ddd) [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded leb128 v0.2.4 [INFO] [stderr] Downloaded backtrace v0.3.32 [INFO] [stderr] Downloaded wasmparser v0.30.0 [INFO] [stderr] Downloaded syn v0.15.39 [INFO] [stderr] Downloaded backtrace-sys v0.1.29 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2d2263d5ff52cb47d78c11948f781b0d8f96696d795ff910dddbf659018d0bee [INFO] running `Command { std: "docker" "start" "-a" "2d2263d5ff52cb47d78c11948f781b0d8f96696d795ff910dddbf659018d0bee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2d2263d5ff52cb47d78c11948f781b0d8f96696d795ff910dddbf659018d0bee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d2263d5ff52cb47d78c11948f781b0d8f96696d795ff910dddbf659018d0bee", kill_on_drop: false }` [INFO] [stdout] 2d2263d5ff52cb47d78c11948f781b0d8f96696d795ff910dddbf659018d0bee [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ee94f5826d20a979a42dccb3f4c6fbc63fbc517078245639f484efdc35126b9c [INFO] running `Command { std: "docker" "start" "-a" "ee94f5826d20a979a42dccb3f4c6fbc63fbc517078245639f484efdc35126b9c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling syn v0.15.39 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling cc v1.0.37 [INFO] [stderr] Compiling rayon-core v1.5.0 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking rustc-demangle v0.1.15 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling unicode-segmentation v1.3.0 [INFO] [stderr] Checking either v1.5.2 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking leb128 v0.2.4 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking wasmparser v0.30.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling backtrace-sys v0.1.29 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking crossbeam-deque v0.6.3 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking rayon v1.1.0 [INFO] [stderr] Checking backtrace v0.3.32 [INFO] [stderr] Checking id-arena v2.2.1 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling walrus-macro v0.8.0 (https://github.com/OneSadCookie/walrus.git?branch=master#5d847ddd) [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking walrus v0.8.0 (https://github.com/OneSadCookie/walrus.git?branch=master#5d847ddd) [INFO] [stderr] Checking bf2wasm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:28:32 [INFO] [stdout] | [INFO] [stdout] 28 | fn cause(&self) -> Option<&Fail> { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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] 28 | fn cause(&self) -> Option<&dyn Fail> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:28:32 [INFO] [stdout] | [INFO] [stdout] 28 | fn cause(&self) -> Option<&Fail> { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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] 28 | fn cause(&self) -> Option<&dyn Fail> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.57s [INFO] running `Command { std: "docker" "inspect" "ee94f5826d20a979a42dccb3f4c6fbc63fbc517078245639f484efdc35126b9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee94f5826d20a979a42dccb3f4c6fbc63fbc517078245639f484efdc35126b9c", kill_on_drop: false }` [INFO] [stdout] ee94f5826d20a979a42dccb3f4c6fbc63fbc517078245639f484efdc35126b9c [INFO] checking OneSadCookie/bf2wasm against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOneSadCookie%2Fbf2wasm" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/OneSadCookie/bf2wasm 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 git repo https://github.com/OneSadCookie/bf2wasm [INFO] finished tweaking git repo https://github.com/OneSadCookie/bf2wasm [INFO] tweaked toml for git repo https://github.com/OneSadCookie/bf2wasm written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/OneSadCookie/bf2wasm already has a lockfile, it will not be regenerated [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] Locking 2 packages [INFO] [stderr] Adding walrus v0.8.0 (https://github.com/OneSadCookie/walrus.git?branch=master#5d847ddd) [INFO] [stderr] Adding walrus-macro v0.8.0 (https://github.com/OneSadCookie/walrus.git?branch=master#5d847ddd) [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 827077953c5114373c85469e58f8cabd10f2c1fdea96525e9471b504ffdf79ee [INFO] running `Command { std: "docker" "start" "-a" "827077953c5114373c85469e58f8cabd10f2c1fdea96525e9471b504ffdf79ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "827077953c5114373c85469e58f8cabd10f2c1fdea96525e9471b504ffdf79ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "827077953c5114373c85469e58f8cabd10f2c1fdea96525e9471b504ffdf79ee", kill_on_drop: false }` [INFO] [stdout] 827077953c5114373c85469e58f8cabd10f2c1fdea96525e9471b504ffdf79ee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 73e27e7a8abd333a1ca49b86d074d07901bbaf4b3cef4a222965f143a30b6971 [INFO] running `Command { std: "docker" "start" "-a" "73e27e7a8abd333a1ca49b86d074d07901bbaf4b3cef4a222965f143a30b6971", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling syn v0.15.39 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Compiling cc v1.0.37 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling rayon-core v1.5.0 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking rustc-demangle v0.1.15 [INFO] [stderr] Compiling unicode-segmentation v1.3.0 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Checking either v1.5.2 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking wasmparser v0.30.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking leb128 v0.2.4 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Checking crossbeam-deque v0.6.3 [INFO] [stderr] Compiling backtrace-sys v0.1.29 [INFO] [stderr] Checking rayon v1.1.0 [INFO] [stderr] Checking backtrace v0.3.32 [INFO] [stderr] Checking id-arena v2.2.1 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling walrus-macro v0.8.0 (https://github.com/OneSadCookie/walrus.git?branch=master#5d847ddd) [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking walrus v0.8.0 (https://github.com/OneSadCookie/walrus.git?branch=master#5d847ddd) [INFO] [stderr] Checking bf2wasm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:28:32 [INFO] [stdout] | [INFO] [stdout] 28 | fn cause(&self) -> Option<&Fail> { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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] 28 | fn cause(&self) -> Option<&dyn Fail> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:28:32 [INFO] [stdout] | [INFO] [stdout] 28 | fn cause(&self) -> Option<&Fail> { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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] 28 | fn cause(&self) -> Option<&dyn Fail> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.74s [INFO] running `Command { std: "docker" "inspect" "73e27e7a8abd333a1ca49b86d074d07901bbaf4b3cef4a222965f143a30b6971", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73e27e7a8abd333a1ca49b86d074d07901bbaf4b3cef4a222965f143a30b6971", kill_on_drop: false }` [INFO] [stdout] 73e27e7a8abd333a1ca49b86d074d07901bbaf4b3cef4a222965f143a30b6971