[INFO] fetching crate yulc 0.1.1...
[INFO] checking yulc-0.1.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate yulc 0.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate yulc 0.1.1 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate yulc 0.1.1
[INFO] finished tweaking crates.io crate yulc 0.1.1
[INFO] tweaked toml for crates.io crate yulc 0.1.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate yulc 0.1.1 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-test-macro v0.2.1
[INFO] [stderr]   Downloaded tracing-test v0.2.1
[INFO] [stderr]   Downloaded once_cell v1.11.0
[INFO] [stderr]   Downloaded smol_str v0.1.23
[INFO] [stderr]   Downloaded yul v0.1.1
[INFO] [stderr]   Downloaded yul-parser v0.1.1
[INFO] [stderr]   Downloaded triomphe v0.1.5
[INFO] [stderr]   Downloaded cli-batteries v0.1.1
[INFO] [stderr]   Downloaded rowan v0.10.6
[INFO] [stderr]   Downloaded tokio v1.18.2
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fdffa1c0c59e0b1bbe1387516dd864892d07ff1e728a0b479320e697c4ad700f
[INFO] running `Command { std: "docker" "start" "-a" "fdffa1c0c59e0b1bbe1387516dd864892d07ff1e728a0b479320e697c4ad700f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdffa1c0c59e0b1bbe1387516dd864892d07ff1e728a0b479320e697c4ad700f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdffa1c0c59e0b1bbe1387516dd864892d07ff1e728a0b479320e697c4ad700f", kill_on_drop: false }`
[INFO] [stdout] fdffa1c0c59e0b1bbe1387516dd864892d07ff1e728a0b479320e697c4ad700f
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e9724aa3b2c58bfee2c2fe52b89bf6e23a35fac52470af17962872b060709bf
[INFO] running `Command { std: "docker" "start" "-a" "1e9724aa3b2c58bfee2c2fe52b89bf6e23a35fac52470af17962872b060709bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling tracing-core v0.1.26
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling once_cell v1.11.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling ryu v1.0.10
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling tracing-log v0.1.3
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]    Compiling tracing-serde v0.1.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.8
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling slab v0.4.6
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling miniz_oxide v0.5.1
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling object v0.28.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling owo-colors v3.4.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling mio v0.8.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling num_threads v0.1.6
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling beef v0.4.4
[INFO] [stderr]    Compiling time v0.3.9
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling tracing v0.1.34
[INFO] [stderr]    Compiling tracing-subscriber v0.3.11
[INFO] [stderr]    Compiling tokio v1.18.2
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]    Compiling pin-project v1.0.10
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling tracing-error v0.2.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling color-spantrace v0.2.0
[INFO] [stderr]    Compiling color-eyre v0.6.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling users v0.11.0
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking logos v0.11.4
[INFO] [stderr]    Compiling cli-batteries v0.1.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]    Compiling yulc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking text-size v1.1.0
[INFO] [stderr]     Checking smol_str v0.1.23
[INFO] [stderr]     Checking triomphe v0.1.5
[INFO] [stderr]     Checking rowan v0.10.6
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]    Compiling tracing-test-macro v0.2.1
[INFO] [stderr]     Checking yul-parser v0.1.1
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking proptest v1.0.0
[INFO] [stderr]     Checking yul v0.1.1
[INFO] [stderr]     Checking tracing-test v0.2.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.42s
[INFO] running `Command { std: "docker" "inspect" "1e9724aa3b2c58bfee2c2fe52b89bf6e23a35fac52470af17962872b060709bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e9724aa3b2c58bfee2c2fe52b89bf6e23a35fac52470af17962872b060709bf", kill_on_drop: false }`
[INFO] [stdout] 1e9724aa3b2c58bfee2c2fe52b89bf6e23a35fac52470af17962872b060709bf