[INFO] fetching crate cpclib-xfertool 0.4.3-alpha...
[INFO] checking cpclib-xfertool-0.4.3-alpha against beta for pr-78714
[INFO] extracting crate cpclib-xfertool 0.4.3-alpha into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate cpclib-xfertool 0.4.3-alpha on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cpclib-xfertool 0.4.3-alpha
[INFO] finished tweaking crates.io crate cpclib-xfertool 0.4.3-alpha
[INFO] tweaked toml for crates.io crate cpclib-xfertool 0.4.3-alpha written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate cpclib-xfertool 0.4.3-alpha already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e3fbfec288145e6eb9c711dbdcabea282cd301773e818492acfe5ace70de4ba
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9e3fbfec288145e6eb9c711dbdcabea282cd301773e818492acfe5ace70de4ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e3fbfec288145e6eb9c711dbdcabea282cd301773e818492acfe5ace70de4ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e3fbfec288145e6eb9c711dbdcabea282cd301773e818492acfe5ace70de4ba", kill_on_drop: false }`
[INFO] [stdout] 9e3fbfec288145e6eb9c711dbdcabea282cd301773e818492acfe5ace70de4ba
[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=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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b524c097aa88e8d11f6d310516af49d8c3967f51773db37b08f98a338d1d40b5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b524c097aa88e8d11f6d310516af49d8c3967f51773db37b08f98a338d1d40b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.46
[INFO] [stderr]    Compiling tinyvec v0.3.4
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]     Checking futures-core v0.3.7
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking futures-io v0.3.7
[INFO] [stderr]     Checking futures-sink v0.3.7
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]     Checking bitsets v0.1.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking object v0.21.1
[INFO] [stderr]    Compiling paste v1.0.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking custom_error v1.8.0
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking term_grid v0.2.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]     Checking futures-channel v0.3.7
[INFO] [stderr]     Checking futures-task v0.3.7
[INFO] [stderr]     Checking path-dedot v3.0.7
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking socket2 v0.3.15
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking filetime v0.2.12
[INFO] [stderr]     Checking dirs-sys-next v0.1.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking subprocess v0.2.6
[INFO] [stderr]     Checking termize v0.1.1
[INFO] [stderr]     Checking path-absolutize v3.0.6
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking inotify v0.8.3
[INFO] [stderr]     Checking dirs-next v1.0.2
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking nom v5.1.2
[INFO] [stderr]     Checking rustyline v6.3.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling curl-sys v0.4.38+curl-7.73.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking num-complex v0.3.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]     Checking notify v5.0.0-pre.3
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]     Checking hotwatch v0.4.3
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking backtrace v0.3.53
[INFO] [stderr]     Checking num v0.3.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling delegate v0.4.3
[INFO] [stderr]    Compiling remain v0.2.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling getset v0.1.1
[INFO] [stderr]    Compiling rustyline-derive v0.3.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking pin-project v1.0.1
[INFO] [stderr]     Checking futures-util v0.3.7
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking hyper v0.13.8
[INFO] [stderr]    Compiling cargo-lock v4.0.1
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling num_enum_derive v0.5.1
[INFO] [stderr]    Compiling built v0.4.3
[INFO] [stderr]    Compiling cpclib-sna v0.4.3-alpha
[INFO] [stderr]    Compiling cpclib-tokens v0.4.3-alpha
[INFO] [stderr]    Compiling cpclib-disc v0.4.3-alpha
[INFO] [stderr]    Compiling cpclib-xfer v0.4.3-alpha
[INFO] [stderr]    Compiling cpclib-xfertool v0.4.3-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Checking num_enum v0.5.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpclib-tokens-0.4.3-alpha/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(stmt_expr_attributes)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpclib-tokens-0.4.3-alpha/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(proc_macro_hygiene)]
[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]     Checking hyper-tls v0.4.3
[INFO] [stderr] error: could not compile `cpclib-tokens`
[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" "b524c097aa88e8d11f6d310516af49d8c3967f51773db37b08f98a338d1d40b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b524c097aa88e8d11f6d310516af49d8c3967f51773db37b08f98a338d1d40b5", kill_on_drop: false }`
[INFO] [stdout] b524c097aa88e8d11f6d310516af49d8c3967f51773db37b08f98a338d1d40b5