[INFO] crate semverver 0.1.43 is already in cache
[INFO] checking semverver-0.1.43 against try#5e633973aa9255a88b65a39484627bb54e6044b3 for pr-66063
[INFO] extracting crate semverver 0.1.43 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate semverver 0.1.43 on toolchain 5e633973aa9255a88b65a39484627bb54e6044b3
[INFO] running `"/workspace/cargo-home/bin/cargo" "+5e633973aa9255a88b65a39484627bb54e6044b3" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate semverver 0.1.43
[INFO] finished tweaking crates.io crate semverver 0.1.43
[INFO] tweaked toml for crates.io crate semverver 0.1.43 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate semverver 0.1.43 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+5e633973aa9255a88b65a39484627bb54e6044b3" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=allow" "-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" "+5e633973aa9255a88b65a39484627bb54e6044b3" "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] 849e2e3dcc31c300f3c2c03e7e46b5005e278542b2c85a47bf324369301f9301
[INFO] running `"docker" "start" "-a" "849e2e3dcc31c300f3c2c03e7e46b5005e278542b2c85a47bf324369301f9301"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling curl v0.4.22
[INFO] [stderr]     Checking home v0.3.4
[INFO] [stderr]    Compiling semverver v0.1.43 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking opener v0.4.0
[INFO] [stderr]     Checking rustc-workspace-hack v1.0.0
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.2
[INFO] [stderr]    Compiling curl-sys v0.4.20
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]     Checking jobserver v0.1.16
[INFO] [stderr]     Checking bstr v0.2.7
[INFO] [stderr]     Checking sized-chunks v0.1.3
[INFO] [stderr]     Checking tar v0.4.26
[INFO] [stderr]     Checking openssl v0.10.24
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking serde v1.0.99
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking quickcheck v0.7.2
[INFO] [stderr]     Checking flate2 v1.0.11
[INFO] [stderr]     Checking ignore v0.4.10
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]     Checking serde_ignored v0.0.4
[INFO] [stderr]     Checking toml v0.5.3
[INFO] [stderr]     Checking rustfix v0.4.6
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking crates-io v0.25.0
[INFO] [stderr]     Checking crates-io v0.24.0
[INFO] [stderr]    Compiling im-rc v12.3.4
[INFO] [stderr]     Checking git2 v0.8.0
[INFO] [stderr]     Checking git2-curl v0.9.0
[INFO] [stderr]     Checking cargo v0.37.0
[INFO] [stderr] error[E0463]: can't find crate for `rustc`
[INFO] [stderr]  --> src/lib.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | extern crate rustc;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `rustc`
[INFO] [stderr]  --> src/lib.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | extern crate rustc;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[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: 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 `semverver`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `semverver`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "849e2e3dcc31c300f3c2c03e7e46b5005e278542b2c85a47bf324369301f9301"`
[INFO] running `"docker" "rm" "-f" "849e2e3dcc31c300f3c2c03e7e46b5005e278542b2c85a47bf324369301f9301"`
[INFO] [stdout] 849e2e3dcc31c300f3c2c03e7e46b5005e278542b2c85a47bf324369301f9301