[INFO] cloning repository https://github.com/canufeel/ewasm-evm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/canufeel/ewasm-evm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcanufeel%2Fewasm-evm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcanufeel%2Fewasm-evm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 81c2e91f7b9aa4d80a38e5486821c6fe78ffc6ae
[INFO] testing canufeel/ewasm-evm against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcanufeel%2Fewasm-evm" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/canufeel/ewasm-evm on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-8/source/.cargo/config
[INFO] started tweaking git repo https://github.com/canufeel/ewasm-evm
[INFO] finished tweaking git repo https://github.com/canufeel/ewasm-evm
[INFO] tweaked toml for git repo https://github.com/canufeel/ewasm-evm written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/canufeel/ewasm-evm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1cdfd9ead27c1879bbc59e573ceee0bf4c99b2de7621640ad8cc0b85d5d35f21
[INFO] running `Command { std: "docker" "start" "-a" "1cdfd9ead27c1879bbc59e573ceee0bf4c99b2de7621640ad8cc0b85d5d35f21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cdfd9ead27c1879bbc59e573ceee0bf4c99b2de7621640ad8cc0b85d5d35f21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cdfd9ead27c1879bbc59e573ceee0bf4c99b2de7621640ad8cc0b85d5d35f21", kill_on_drop: false }`
[INFO] [stdout] 1cdfd9ead27c1879bbc59e573ceee0bf4c99b2de7621640ad8cc0b85d5d35f21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 404d2fad4b383b51e1fdabda5b2dba8307d5d5204ceaedc961c2176dd4b65466
[INFO] running `Command { std: "docker" "start" "-a" "404d2fad4b383b51e1fdabda5b2dba8307d5d5204ceaedc961c2176dd4b65466", kill_on_drop: false }`
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling memory_units v0.4.0
[INFO] [stderr]    Compiling hex v0.4.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling u256 v0.1.0 (/opt/rustwide/workdir/u256)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> u256/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(core_intrinsics, lang_items, alloc_error_handler)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> u256/src/u256.rs:86:25
[INFO] [stdout]    |
[INFO] [stdout] 86 |         self.data[0] &= (1 << 31);
[INFO] [stdout]    |                         ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> u256/src/u256.rs:87:26
[INFO] [stdout]    |
[INFO] [stdout] 87 |         other.data[0] &= (1 << 31);
[INFO] [stdout]    |                          ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> u256/src/u256.rs:91:33
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 self.data[0] ^= (1 << 31);
[INFO] [stdout]    |                                 ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> u256/src/u256.rs:94:33
[INFO] [stdout]    |
[INFO] [stdout] 94 |                 self.data[0] ^= (1 << 31);
[INFO] [stdout]    |                                 ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `u256`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "404d2fad4b383b51e1fdabda5b2dba8307d5d5204ceaedc961c2176dd4b65466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "404d2fad4b383b51e1fdabda5b2dba8307d5d5204ceaedc961c2176dd4b65466", kill_on_drop: false }`
[INFO] [stdout] 404d2fad4b383b51e1fdabda5b2dba8307d5d5204ceaedc961c2176dd4b65466
