[INFO] updating cached repository https://github.com/cosier/commando
[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] eb5a76761f5aca222de6d794e027f64d443228d2
[INFO] checking cosier/commando against master#eaa02f599f651246d5d1b99e7a4c6fa8d04bc9dc for pr-69560
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcosier%2Fcommando" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cosier/commando on toolchain eaa02f599f651246d5d1b99e7a4c6fa8d04bc9dc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+eaa02f599f651246d5d1b99e7a4c6fa8d04bc9dc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/cosier/commando
[INFO] finished tweaking git repo https://github.com/cosier/commando
[INFO] tweaked toml for git repo https://github.com/cosier/commando written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/cosier/commando already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+eaa02f599f651246d5d1b99e7a4c6fa8d04bc9dc" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+eaa02f599f651246d5d1b99e7a4c6fa8d04bc9dc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f8fa638eb8333e38dd6ed11c19bfbb3d69fedcbfc5d641445fda8d31f06fd70e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "f8fa638eb8333e38dd6ed11c19bfbb3d69fedcbfc5d641445fda8d31f06fd70e"`
[INFO] [stderr]    Compiling gcc v0.3.51
[INFO] [stderr]     Checking cfg-if v0.1.1
[INFO] [stderr]    Compiling cursive v0.5.1 (https://github.com/gyscos/Cursive#fb18ed8f)
[INFO] [stderr]     Checking openssl-probe v0.1.1
[INFO] [stderr]     Checking rustc-demangle v0.1.4
[INFO] [stderr]     Checking serde v1.0.8
[INFO] [stderr]     Checking owning_ref v0.2.4
[INFO] [stderr]     Checking unidecode v0.2.0
[INFO] [stderr]    Compiling stainless v0.1.11
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking fs2 v0.4.2
[INFO] [stderr]     Checking termion v1.4.0
[INFO] [stderr]     Checking num-complex v0.1.38
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking toml v0.3.2
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]     Checking uuid v0.4.0
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stainless-0.1.11/src/lib.rs:7:30
[INFO] [stderr]   |
[INFO] [stderr] 7 | #![feature(plugin_registrar, quote, rustc_private)]
[INFO] [stderr]   |                              ^^^^^ feature has been removed
[INFO] [stderr] 
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking num-bigint v0.1.39
[INFO] [stderr]     Checking socket2 v0.2.1
[INFO] [stderr] error[E0463]: can't find crate for `syntax`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stainless-0.1.11/src/lib.rs:171:1
[INFO] [stderr]     |
[INFO] [stderr] 171 | extern crate syntax;
[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 `stainless`.
[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 `"docker" "inspect" "f8fa638eb8333e38dd6ed11c19bfbb3d69fedcbfc5d641445fda8d31f06fd70e"`
[INFO] running `"docker" "rm" "-f" "f8fa638eb8333e38dd6ed11c19bfbb3d69fedcbfc5d641445fda8d31f06fd70e"`
[INFO] [stdout] f8fa638eb8333e38dd6ed11c19bfbb3d69fedcbfc5d641445fda8d31f06fd70e