[INFO] fetching crate arcon_codegen 0.1.4...
[INFO] testing arcon_codegen-0.1.4 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate arcon_codegen 0.1.4 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate arcon_codegen 0.1.4 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arcon_codegen 0.1.4
[INFO] finished tweaking crates.io crate arcon_codegen 0.1.4
[INFO] tweaked toml for crates.io crate arcon_codegen 0.1.4 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arcon_backend v0.1.1
[INFO] [stderr]   Downloaded arcon_spec v0.1.3
[INFO] [stderr]   Downloaded synchronoise v0.4.0
[INFO] [stderr]   Downloaded arcon_extra v0.1.1
[INFO] [stderr]   Downloaded arcon_error v0.1.1
[INFO] [stderr]   Downloaded keyby v0.2.0
[INFO] [stderr]   Downloaded arcon_messages v0.1.2
[INFO] [stderr]   Downloaded kompact-actor-derive v0.7.0
[INFO] [stderr]   Downloaded executors v0.4.4
[INFO] [stderr]   Downloaded arcon_macros v0.1.3
[INFO] [stderr]   Downloaded arcon v0.1.3
[INFO] [stderr]   Downloaded kompact v0.7.0
[INFO] [stderr]   Downloaded llvm-sys v60.6.0
[INFO] [stderr]   Downloaded kompact-component-derive v0.7.0
[INFO] [stderr]   Downloaded weld v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3961e52be3f0077439a3412468e8fcd555d23be8c12d4a7c7961758d1f38828
[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" "a3961e52be3f0077439a3412468e8fcd555d23be8c12d4a7c7961758d1f38828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3961e52be3f0077439a3412468e8fcd555d23be8c12d4a7c7961758d1f38828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3961e52be3f0077439a3412468e8fcd555d23be8c12d4a7c7961758d1f38828", kill_on_drop: false }`
[INFO] [stdout] a3961e52be3f0077439a3412468e8fcd555d23be8c12d4a7c7961758d1f38828
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 270cfa4e8fa34bb8e60d2c7f93033fb1e58c16b34e16dd42db9510a20cf38612
[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" "270cfa4e8fa34bb8e60d2c7f93033fb1e58c16b34e16dd42db9510a20cf38612", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling rustc-rayon-core v0.3.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling rustc-ap-rustc_graphviz v677.0.0
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling annotate-snippets v0.8.0
[INFO] [stderr]    Compiling rustc-ap-rustc_fs_util v677.0.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling rustfmt-nightly v1.4.21
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling rustc-workspace-hack v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling psm v0.1.13
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lock_api-0.3.4/src/lib.rs:91:42
[INFO] [stdout]    |
[INFO] [stdout] 91 | #![cfg_attr(feature = "nightly", feature(const_fn))]
[INFO] [stdout]    |                                          ^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling stacker v0.1.14
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling rustc-ap-rustc_lexer v677.0.0
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr] error: could not compile `lock_api`
[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" "270cfa4e8fa34bb8e60d2c7f93033fb1e58c16b34e16dd42db9510a20cf38612", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "270cfa4e8fa34bb8e60d2c7f93033fb1e58c16b34e16dd42db9510a20cf38612", kill_on_drop: false }`
[INFO] [stdout] 270cfa4e8fa34bb8e60d2c7f93033fb1e58c16b34e16dd42db9510a20cf38612