[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#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOneSadCookie%2Fbf2wasm" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/OneSadCookie/bf2wasm on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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-2/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: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66b3be2d37ded03e01a51ccce87920f8de0edcbf7f99da0b7b1603a5d1c56ff2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "66b3be2d37ded03e01a51ccce87920f8de0edcbf7f99da0b7b1603a5d1c56ff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66b3be2d37ded03e01a51ccce87920f8de0edcbf7f99da0b7b1603a5d1c56ff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66b3be2d37ded03e01a51ccce87920f8de0edcbf7f99da0b7b1603a5d1c56ff2", kill_on_drop: false }`
[INFO] [stdout] 66b3be2d37ded03e01a51ccce87920f8de0edcbf7f99da0b7b1603a5d1c56ff2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3433a56aea88b0dc693be70328201832f4448b0838c3784264dd80bdc693abc4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3433a56aea88b0dc693be70328201832f4448b0838c3784264dd80bdc693abc4", 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 arrayvec v0.4.10
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling syn v0.15.39
[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]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]     Checking rustc-demangle v0.1.15
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking wasmparser v0.30.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking log v0.4.6
[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]    Compiling backtrace-sys v0.1.29
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[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 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]    |                                ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 [unoptimized + debuginfo] target(s) in 44.34s
[INFO] running `Command { std: "docker" "inspect" "3433a56aea88b0dc693be70328201832f4448b0838c3784264dd80bdc693abc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3433a56aea88b0dc693be70328201832f4448b0838c3784264dd80bdc693abc4", kill_on_drop: false }`
[INFO] [stdout] 3433a56aea88b0dc693be70328201832f4448b0838c3784264dd80bdc693abc4