[INFO] fetching crate scoped-arena 0.4.1... [INFO] testing scoped-arena-0.4.1 against 1.60.0 for beta-1.61-1 [INFO] extracting crate scoped-arena 0.4.1 into /workspace/builds/worker-53/source [INFO] validating manifest of crates.io crate scoped-arena 0.4.1 on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate scoped-arena 0.4.1 [INFO] finished tweaking crates.io crate scoped-arena 0.4.1 [INFO] tweaked toml for crates.io crate scoped-arena 0.4.1 written to /workspace/builds/worker-53/source/Cargo.toml [INFO] crate crates.io crate scoped-arena 0.4.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 281e6007862e010368818ec17b1ffdbf2300bc499954da839c7c270f309113f7 [INFO] running `Command { std: "docker" "start" "-a" "281e6007862e010368818ec17b1ffdbf2300bc499954da839c7c270f309113f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "281e6007862e010368818ec17b1ffdbf2300bc499954da839c7c270f309113f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "281e6007862e010368818ec17b1ffdbf2300bc499954da839c7c270f309113f7", kill_on_drop: false }` [INFO] [stdout] 281e6007862e010368818ec17b1ffdbf2300bc499954da839c7c270f309113f7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5eb5b3642998cfb6f1075447d1cbe2df625ae5eee079012b2499e4389253c1cf [INFO] running `Command { std: "docker" "start" "-a" "5eb5b3642998cfb6f1075447d1cbe2df625ae5eee079012b2499e4389253c1cf", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling scoped-arena v0.4.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.85s [INFO] running `Command { std: "docker" "inspect" "5eb5b3642998cfb6f1075447d1cbe2df625ae5eee079012b2499e4389253c1cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5eb5b3642998cfb6f1075447d1cbe2df625ae5eee079012b2499e4389253c1cf", kill_on_drop: false }` [INFO] [stdout] 5eb5b3642998cfb6f1075447d1cbe2df625ae5eee079012b2499e4389253c1cf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f94b245a166cc38ca91d4871fee8d57304058febb622f346f683a7f0839f6096 [INFO] running `Command { std: "docker" "start" "-a" "f94b245a166cc38ca91d4871fee8d57304058febb622f346f683a7f0839f6096", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.116 [INFO] [stderr] Compiling crossbeam-utils v0.8.6 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling semver v1.0.4 [INFO] [stderr] Compiling crossbeam-epoch v0.9.6 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling serde_json v1.0.78 [INFO] [stderr] Compiling ryu v1.0.9 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling plotters-backend v0.3.2 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling itoa v1.0.1 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling half v1.8.2 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling oorandom v11.1.3 [INFO] [stderr] Compiling bumpalo v3.9.1 [INFO] [stderr] Compiling itertools v0.10.3 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] error: could not compile `bumpalo` due to 3 previous errors [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bumpalo-3.9.1/src/lib.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | feature(allocator_api, nonnull_slice_from_raw_parts) [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bumpalo-3.9.1/src/lib.rs:7:28 [INFO] [stdout] | [INFO] [stdout] 7 | feature(allocator_api, nonnull_slice_from_raw_parts) [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: build failed [INFO] running `Command { std: "docker" "inspect" "f94b245a166cc38ca91d4871fee8d57304058febb622f346f683a7f0839f6096", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f94b245a166cc38ca91d4871fee8d57304058febb622f346f683a7f0839f6096", kill_on_drop: false }` [INFO] [stdout] f94b245a166cc38ca91d4871fee8d57304058febb622f346f683a7f0839f6096