[INFO] crate ndless 0.6.1 is already in cache
[INFO] extracting crate ndless 0.6.1 into work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/reg/ndless/0.6.1
[INFO] extracting crate ndless 0.6.1 into work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/reg/ndless/0.6.1
[INFO] validating manifest of ndless-0.6.1 on toolchain master#589beb979c0f1a9736e02e578913db88398c3ba5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ndless-0.6.1 on toolchain try#42445ded8fd34235a676755cb5d079658ed51f6a
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ndless-0.6.1
[INFO] finished frobbing ndless-0.6.1
[INFO] frobbed toml for ndless-0.6.1 written to work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/reg/ndless/0.6.1/Cargo.toml
[INFO] started frobbing ndless-0.6.1
[INFO] finished frobbing ndless-0.6.1
[INFO] frobbed toml for ndless-0.6.1 written to work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/reg/ndless/0.6.1/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ndless-0.6.1 against master#589beb979c0f1a9736e02e578913db88398c3ba5 for pr-60944
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60944/worker-3/master#589beb979c0f1a9736e02e578913db88398c3ba5:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/reg/ndless/0.6.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1af2a3003eaf30eb7b92a6c1c56a378746be70b2fa7c280717e4fa1f224dda5a
[INFO] running `"docker" "start" "-a" "1af2a3003eaf30eb7b92a6c1c56a378746be70b2fa7c280717e4fa1f224dda5a"`
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling ndless-static-vars v1.0.0
[INFO] [stderr]    Compiling cty v0.1.5
[INFO] [stderr]     Checking ndless-sys v0.1.3
[INFO] [stderr] error[E0412]: cannot find type `Vec` in this scope
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/ndless-static-vars-1.0.0/src/lib.rs:7:34
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub static mut ARGUMENTS: Option<Vec<String>> = None;
[INFO] [stderr]   |                                  ^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]   |
[INFO] [stderr] 5 | use alloc::prelude::v1::Vec;
[INFO] [stderr]   |
[INFO] [stderr] 5 | use alloc::vec::Vec;
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `String` in this scope
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/ndless-static-vars-1.0.0/src/lib.rs:7:38
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub static mut ARGUMENTS: Option<Vec<String>> = None;
[INFO] [stderr]   |                                      ^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]   |
[INFO] [stderr] 5 | use alloc::prelude::v1::String;
[INFO] [stderr]   |
[INFO] [stderr] 5 | use alloc::string::String;
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'alloc_prelude'
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/ndless-static-vars-1.0.0/src/lib.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use alloc::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see https://github.com/rust-lang/rust/issues/58935
[INFO] [stderr]   = help: add #![feature(alloc_prelude)] to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0412, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0412`.
[INFO] [stderr] error: Could not compile `ndless-static-vars`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0412]: cannot find type `Vec` in this scope
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/ndless-static-vars-1.0.0/src/lib.rs:7:34
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub static mut ARGUMENTS: Option<Vec<String>> = None;
[INFO] [stderr]   |                                  ^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]   |
[INFO] [stderr] 5 | use alloc::prelude::v1::Vec;
[INFO] [stderr]   |
[INFO] [stderr] 5 | use alloc::vec::Vec;
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `String` in this scope
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/ndless-static-vars-1.0.0/src/lib.rs:7:38
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub static mut ARGUMENTS: Option<Vec<String>> = None;
[INFO] [stderr]   |                                      ^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]   |
[INFO] [stderr] 5 | use alloc::prelude::v1::String;
[INFO] [stderr]   |
[INFO] [stderr] 5 | use alloc::string::String;
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'alloc_prelude'
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/ndless-static-vars-1.0.0/src/lib.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use alloc::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see https://github.com/rust-lang/rust/issues/58935
[INFO] [stderr]   = help: add #![feature(alloc_prelude)] to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0412, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0412`.
[INFO] [stderr] error: Could not compile `ndless-static-vars`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "1af2a3003eaf30eb7b92a6c1c56a378746be70b2fa7c280717e4fa1f224dda5a"`
[INFO] running `"docker" "rm" "-f" "1af2a3003eaf30eb7b92a6c1c56a378746be70b2fa7c280717e4fa1f224dda5a"`
[INFO] [stdout] 1af2a3003eaf30eb7b92a6c1c56a378746be70b2fa7c280717e4fa1f224dda5a