[INFO] fetching crate axolotl_creator 0.1.5...
[INFO] checking axolotl_creator-0.1.5 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate axolotl_creator 0.1.5 into /workspace/builds/worker-79/source
[INFO] validating manifest of crates.io crate axolotl_creator 0.1.5 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate axolotl_creator 0.1.5
[INFO] finished tweaking crates.io crate axolotl_creator 0.1.5
[INFO] tweaked toml for crates.io crate axolotl_creator 0.1.5 written to /workspace/builds/worker-79/source/Cargo.toml
[INFO] crate crates.io crate axolotl_creator 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.73
[INFO] [stderr]   Downloaded js-sys v0.3.50
[INFO] [stderr]   Downloaded backtrace v0.3.58
[INFO] [stderr]   Downloaded bzip2-sys v0.1.10+1.0.8
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.73
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.73
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.73
[INFO] [stderr]   Downloaded web-sys v0.3.50
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.73
[INFO] [stderr]   Downloaded savefile v0.7.4
[INFO] [stderr]   Downloaded savefile-derive v0.7.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd9fb1d63d47814029133c0f9514d5abc07d8d21bcd45e85935f9a353282a55c
[INFO] running `Command { std: "docker" "start" "-a" "cd9fb1d63d47814029133c0f9514d5abc07d8d21bcd45e85935f9a353282a55c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd9fb1d63d47814029133c0f9514d5abc07d8d21bcd45e85935f9a353282a55c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd9fb1d63d47814029133c0f9514d5abc07d8d21bcd45e85935f9a353282a55c", kill_on_drop: false }`
[INFO] [stdout] cd9fb1d63d47814029133c0f9514d5abc07d8d21bcd45e85935f9a353282a55c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bd11b4acb543485c99c562ce3623b3855e4c6ec71ea581b06cb1fa4cd3df305
[INFO] running `Command { std: "docker" "start" "-a" "5bd11b4acb543485c99c562ce3623b3855e4c6ec71ea581b06cb1fa4cd3df305", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking rustc-demangle v0.1.19
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling savefile v0.7.4
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling backtrace v0.3.58
[INFO] [stderr]    Compiling bzip2-sys v0.1.10+1.0.8
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]    Compiling savefile-derive v0.7.4
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/savefile-0.7.4/src/lib.rs:6:40
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![cfg_attr(feature="nightly", feature(const_generics))]
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in favor of `#![feature(adt_const_params)]` and `#![feature(generic_const_exprs)]`
[INFO] [stdout] 
[INFO] [stdout] 
[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] error: could not compile `savefile` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "5bd11b4acb543485c99c562ce3623b3855e4c6ec71ea581b06cb1fa4cd3df305", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bd11b4acb543485c99c562ce3623b3855e4c6ec71ea581b06cb1fa4cd3df305", kill_on_drop: false }`
[INFO] [stdout] 5bd11b4acb543485c99c562ce3623b3855e4c6ec71ea581b06cb1fa4cd3df305