[INFO] cloning repository https://github.com/xldenis/creusot [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xldenis/creusot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxldenis%2Fcreusot", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxldenis%2Fcreusot'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 244091d499ced8923100fd1a77c3b5f7c4eea9db [INFO] testing xldenis/creusot against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxldenis%2Fcreusot" "/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/xldenis/creusot on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-2/source/rust-toolchain [INFO] started tweaking git repo https://github.com/xldenis/creusot [INFO] finished tweaking git repo https://github.com/xldenis/creusot [INFO] tweaked toml for git repo https://github.com/xldenis/creusot written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/xldenis/creusot already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 896a21745fcc732c72980f6d0a12c64faf85f30ba3d1c7cd3f8b0ee39d26aa31 [INFO] running `Command { std: "docker" "start" "-a" "896a21745fcc732c72980f6d0a12c64faf85f30ba3d1c7cd3f8b0ee39d26aa31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "896a21745fcc732c72980f6d0a12c64faf85f30ba3d1c7cd3f8b0ee39d26aa31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "896a21745fcc732c72980f6d0a12c64faf85f30ba3d1c7cd3f8b0ee39d26aa31", kill_on_drop: false }` [INFO] [stdout] 896a21745fcc732c72980f6d0a12c64faf85f30ba3d1c7cd3f8b0ee39d26aa31 [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=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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fa4bcdd9079c548f1b0d30f8dd60bfe272dea5e1e524f3ce7ce175f87420ca38 [INFO] running `Command { std: "docker" "start" "-a" "fa4bcdd9079c548f1b0d30f8dd60bfe272dea5e1e524f3ce7ce175f87420ca38", 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] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.77 [INFO] [stderr] Compiling libc v0.2.103 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Compiling typed-arena v2.0.1 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling arrayvec v0.5.2 [INFO] [stderr] Compiling serde_json v1.0.68 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling creusot-contracts-dummy v0.1.0 (/opt/rustwide/workdir/creusot-contracts-dummy) [INFO] [stderr] Compiling fixedbitset v0.4.0 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling sequence_trie v0.3.6 [INFO] [stderr] Compiling unescape v0.1.0 [INFO] [stderr] Compiling why3tests v0.1.0 (/opt/rustwide/workdir/why3tests) [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling pretty v0.11.2 [INFO] [stderr] Compiling itertools v0.10.1 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling uuid v0.8.2 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling env_logger v0.9.0 [INFO] [stderr] Compiling pearlite-syn v0.1.0 (/opt/rustwide/workdir/pearlite-syn) [INFO] [stderr] Compiling creusot-contracts-proc v0.1.0 (/opt/rustwide/workdir/creusot-contracts-proc) [INFO] [stdout] warning: unused import: `proc_macro2::Span` [INFO] [stdout] --> creusot-contracts-proc/src/maintains.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use proc_macro2::Span; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ToTokens`, `TokenStreamExt` [INFO] [stdout] --> creusot-contracts-proc/src/maintains.rs:7:20 [INFO] [stdout] | [INFO] [stdout] 7 | use quote::{quote, ToTokens, TokenStreamExt}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::iter` [INFO] [stdout] --> creusot-contracts-proc/src/maintains.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::iter; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Brace`, `Pair`, `Paren` [INFO] [stdout] --> creusot-contracts-proc/src/maintains.rs:11:18 [INFO] [stdout] | [INFO] [stdout] 11 | punctuated::{Pair, Punctuated}, [INFO] [stdout] | ^^^^ [INFO] [stdout] 12 | token::{Brace, Comma, Paren}, [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling creusot-contracts v0.1.0 (/opt/rustwide/workdir/creusot-contracts) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> creusot-contracts/src/lib.rs:6:38 [INFO] [stdout] | [INFO] [stdout] 6 | #![cfg_attr(feature = "typechecker", feature(rustc_private), feature(box_patterns, box_syntax))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> creusot-contracts/src/lib.rs:6:62 [INFO] [stdout] | [INFO] [stdout] 6 | #![cfg_attr(feature = "typechecker", feature(rustc_private), feature(box_patterns, box_syntax))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `creusot-contracts` due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "fa4bcdd9079c548f1b0d30f8dd60bfe272dea5e1e524f3ce7ce175f87420ca38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa4bcdd9079c548f1b0d30f8dd60bfe272dea5e1e524f3ce7ce175f87420ca38", kill_on_drop: false }` [INFO] [stdout] fa4bcdd9079c548f1b0d30f8dd60bfe272dea5e1e524f3ce7ce175f87420ca38