[INFO] fetching crate ra_ap_proc_macro_srv 0.0.30...
[INFO] testing ra_ap_proc_macro_srv-0.0.30 against 1.49.0 for beta-1.50-1
[INFO] extracting crate ra_ap_proc_macro_srv 0.0.30 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ra_ap_proc_macro_srv 0.0.30 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ra_ap_proc_macro_srv 0.0.30
[INFO] finished tweaking crates.io crate ra_ap_proc_macro_srv 0.0.30
[INFO] tweaked toml for crates.io crate ra_ap_proc_macro_srv 0.0.30 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 934655143ee608b66e3eddee1333a6d0df5164afacb323bf101e2a76dfe7c211
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "934655143ee608b66e3eddee1333a6d0df5164afacb323bf101e2a76dfe7c211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "934655143ee608b66e3eddee1333a6d0df5164afacb323bf101e2a76dfe7c211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "934655143ee608b66e3eddee1333a6d0df5164afacb323bf101e2a76dfe7c211", kill_on_drop: false }`
[INFO] [stdout] 934655143ee608b66e3eddee1333a6d0df5164afacb323bf101e2a76dfe7c211
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b42127c886ca8250d1a375e811f81b6c1208714fc807da7d4baa5b4abdfb40ca
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b42127c886ca8250d1a375e811f81b6c1208714fc807da7d4baa5b4abdfb40ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling jod-thread v0.1.2
[INFO] [stderr]    Compiling object v0.23.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
[INFO] [stderr]    Compiling ra_ap_vfs v0.0.30
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling salsa-macros v0.16.0
[INFO] [stderr]    Compiling smol_str v0.1.17
[INFO] [stderr]    Compiling rowan v0.10.0
[INFO] [stderr]    Compiling ra_ap_tt v0.0.30
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling ra_ap_cfg v0.0.30
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling ra_ap_test_utils v0.0.30
[INFO] [stderr]    Compiling ra_ap_syntax v0.0.30
[INFO] [stderr]    Compiling salsa v0.16.0
[INFO] [stderr]    Compiling ra_ap_base_db v0.0.30
[INFO] [stderr]    Compiling ra_ap_mbe v0.0.30
[INFO] [stderr]    Compiling ra_ap_proc_macro_api v0.0.30
[INFO] [stderr]    Compiling ra_ap_proc_macro_srv v0.0.30 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.72s
[INFO] running `Command { std: "docker" "inspect" "b42127c886ca8250d1a375e811f81b6c1208714fc807da7d4baa5b4abdfb40ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b42127c886ca8250d1a375e811f81b6c1208714fc807da7d4baa5b4abdfb40ca", kill_on_drop: false }`
[INFO] [stdout] b42127c886ca8250d1a375e811f81b6c1208714fc807da7d4baa5b4abdfb40ca
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a14c3cee85ba033b81991ee9abb42eff8c46b337b332aa6c124a7b3f5af50a0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4a14c3cee85ba033b81991ee9abb42eff8c46b337b332aa6c124a7b3f5af50a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.10.1
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling cargo_metadata v0.12.0
[INFO] [stderr]    Compiling ra_ap_proc_macro_srv v0.0.30 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `toolchain`
[INFO] [stdout]   --> src/tests/utils.rs:15:36
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let command = Command::new(toolchain::cargo())
[INFO] [stdout]    |                                    ^^^^^^^^^ use of undeclared crate or module `toolchain`
[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 E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ra_ap_proc_macro_srv`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "4a14c3cee85ba033b81991ee9abb42eff8c46b337b332aa6c124a7b3f5af50a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a14c3cee85ba033b81991ee9abb42eff8c46b337b332aa6c124a7b3f5af50a0", kill_on_drop: false }`
[INFO] [stdout] 4a14c3cee85ba033b81991ee9abb42eff8c46b337b332aa6c124a7b3f5af50a0