[INFO] updating cached repository https://github.com/archaelus/bitzn
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dfb3ca626896ffc27faaa71dcee85730356134ba
[INFO] checking archaelus/bitzn against try#7cb06892a23b4da510686618c8730f0b2e8bd952 for pr-66963
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farchaelus%2Fbitzn" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/archaelus/bitzn on toolchain 7cb06892a23b4da510686618c8730f0b2e8bd952
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/archaelus/bitzn
[INFO] finished tweaking git repo https://github.com/archaelus/bitzn
[INFO] tweaked toml for git repo https://github.com/archaelus/bitzn written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/archaelus/bitzn already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2550e7ba72ec479294717307987deafee60d0b6e5417787df1c5aca6628b7a17
[INFO] running `"docker" "start" "-a" "2550e7ba72ec479294717307987deafee60d0b6e5417787df1c5aca6628b7a17"`
[INFO] [stderr]    Compiling zinc v0.1.0 (https://github.com/hackndev/zinc.git#64aa6051)
[INFO] [stderr]    Compiling ioreg v0.1.0 (https://github.com/hackndev/zinc.git#64aa6051)
[INFO] [stderr]     Checking volatile_cell v1.0.0 (https://github.com/hackndev/zinc.git#64aa6051)
[INFO] [stderr]     Checking rlibc v1.0.0
[INFO] [stderr]    Compiling macro_zinc v0.1.0 (https://github.com/hackndev/zinc.git#64aa6051)
[INFO] [stderr] error[E0463]: can't find crate for `core`
[INFO] [stderr]   |
[INFO] [stderr]   = note: the `thumbv7em-none-eabi` target may not be installed
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `volatile_cell`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0463]: can't find crate for `core`
[INFO] [stderr]   |
[INFO] [stderr]   = note: the `thumbv7em-none-eabi` target may not be installed
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `rlibc`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/zinc-81c783c18d834726/64aa605/ioreg/src/lib.rs:330:12
[INFO] [stderr]     |
[INFO] [stderr] 330 | #![feature(quote, plugin_registrar, rustc_private)]
[INFO] [stderr]     |            ^^^^^ feature has been removed
[INFO] [stderr] 
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/zinc-81c783c18d834726/64aa605/macro_zinc/src/lib.rs:16:45
[INFO] [stderr]    |
[INFO] [stderr] 16 | #![feature(rustc_private, plugin_registrar, quote)]
[INFO] [stderr]    |                                             ^^^^^ feature has been removed
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `rustc`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/zinc-81c783c18d834726/64aa605/ioreg/src/lib.rs:332:1
[INFO] [stderr]     |
[INFO] [stderr] 332 | extern crate rustc;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0463, E0557.
[INFO] [stderr] For more information about an error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `ioreg`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0463]: can't find crate for `rustc`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/zinc-81c783c18d834726/64aa605/macro_zinc/src/lib.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | extern crate rustc;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0463, E0557.
[INFO] [stderr] For more information about an error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `macro_zinc`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "2550e7ba72ec479294717307987deafee60d0b6e5417787df1c5aca6628b7a17"`
[INFO] running `"docker" "rm" "-f" "2550e7ba72ec479294717307987deafee60d0b6e5417787df1c5aca6628b7a17"`
[INFO] [stdout] 2550e7ba72ec479294717307987deafee60d0b6e5417787df1c5aca6628b7a17