[INFO] fetching crate merx 0.0.1... [INFO] checking merx-0.0.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] extracting crate merx 0.0.1 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate merx 0.0.1 [INFO] finished tweaking crates.io crate merx 0.0.1 [INFO] tweaked toml for crates.io crate merx 0.0.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate merx 0.0.1 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate merx 0.0.1 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded quickcheck_macros v0.9.1 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.60 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.60 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.60 [INFO] [stderr] Downloaded criterion v0.3.1 [INFO] [stderr] Downloaded criterion-plot v0.4.1 [INFO] [stderr] Downloaded js-sys v0.3.37 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.60 [INFO] [stderr] Downloaded tinytemplate v1.0.3 [INFO] [stderr] Downloaded wasm-bindgen v0.2.60 [INFO] [stderr] Downloaded bstr v0.2.12 [INFO] [stderr] Downloaded web-sys v0.3.37 [INFO] [stderr] Downloaded plotters v0.2.12 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5dc4e976670c191032c4f415b03285de0378e9658389a0fa41108da1b03581d4 [INFO] running `Command { std: "docker" "start" "-a" "5dc4e976670c191032c4f415b03285de0378e9658389a0fa41108da1b03581d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5dc4e976670c191032c4f415b03285de0378e9658389a0fa41108da1b03581d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5dc4e976670c191032c4f415b03285de0378e9658389a0fa41108da1b03581d4", kill_on_drop: false }` [INFO] [stdout] 5dc4e976670c191032c4f415b03285de0378e9658389a0fa41108da1b03581d4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1c0fe3ee37ecb7acddc872254ffa5d14016bbd930b4a06f50919228f2d1bd4d6 [INFO] running `Command { std: "docker" "start" "-a" "1c0fe3ee37ecb7acddc872254ffa5d14016bbd930b4a06f50919228f2d1bd4d6", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling serde v1.0.105 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling ryu v1.0.3 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking plotters v0.2.12 [INFO] [stderr] Checking criterion-plot v0.4.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking oorandom v11.1.0 [INFO] [stderr] Checking merx v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(const_fn)] [INFO] [stdout] | ^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in 1.54.0; see for more information [INFO] [stdout] = note: split into finer-grained feature gates [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(const_generics)] [INFO] [stdout] | ^^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in 1.56.0; see for more information [INFO] [stdout] = note: removed in favor of `#![feature(adt_const_params)]` and `#![feature(generic_const_exprs)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `const_panic` has been stable since 1.57.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(const_panic)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `const_if_match` has been stable since 1.46.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(const_if_match)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `const_loop` has been stable since 1.46.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | #![feature(const_loop)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stderr] error: could not compile `merx` (lib) due to 2 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "1c0fe3ee37ecb7acddc872254ffa5d14016bbd930b4a06f50919228f2d1bd4d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c0fe3ee37ecb7acddc872254ffa5d14016bbd930b4a06f50919228f2d1bd4d6", kill_on_drop: false }` [INFO] [stdout] 1c0fe3ee37ecb7acddc872254ffa5d14016bbd930b4a06f50919228f2d1bd4d6