[INFO] fetching crate comment 0.1.0...
[INFO] testing comment-0.1.0 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate comment 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate comment 0.1.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate comment 0.1.0
[INFO] finished tweaking crates.io crate comment 0.1.0
[INFO] tweaked toml for crates.io crate comment 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e371904b31260ea17b3852efe97e3f6e77b37ec3a23ce752f5583bbc34803327
[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" "e371904b31260ea17b3852efe97e3f6e77b37ec3a23ce752f5583bbc34803327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e371904b31260ea17b3852efe97e3f6e77b37ec3a23ce752f5583bbc34803327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e371904b31260ea17b3852efe97e3f6e77b37ec3a23ce752f5583bbc34803327", kill_on_drop: false }`
[INFO] [stdout] e371904b31260ea17b3852efe97e3f6e77b37ec3a23ce752f5583bbc34803327
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6a3ebabdc60d16fd7d1487005c69d8547c2d4dc9b84235b34c36399da54ebcb
[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" "b6a3ebabdc60d16fd7d1487005c69d8547c2d4dc9b84235b34c36399da54ebcb", kill_on_drop: false }`
[INFO] [stderr]    Compiling comment-strip v0.1.3
[INFO] [stderr]    Compiling comment v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "b6a3ebabdc60d16fd7d1487005c69d8547c2d4dc9b84235b34c36399da54ebcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6a3ebabdc60d16fd7d1487005c69d8547c2d4dc9b84235b34c36399da54ebcb", kill_on_drop: false }`
[INFO] [stdout] b6a3ebabdc60d16fd7d1487005c69d8547c2d4dc9b84235b34c36399da54ebcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33a780de4561adf8b5dc5e69666e895885a02e249919a81c6f6b9625af1f04ec
[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" "33a780de4561adf8b5dc5e69666e895885a02e249919a81c6f6b9625af1f04ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling comment v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `comments`
[INFO] [stdout]  --> tests/whitespace.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate comments;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[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 E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `comment`
[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 `Command { std: "docker" "inspect" "33a780de4561adf8b5dc5e69666e895885a02e249919a81c6f6b9625af1f04ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33a780de4561adf8b5dc5e69666e895885a02e249919a81c6f6b9625af1f04ec", kill_on_drop: false }`
[INFO] [stdout] 33a780de4561adf8b5dc5e69666e895885a02e249919a81c6f6b9625af1f04ec
