[INFO] fetching crate pebble 0.8.5...
[INFO] checking pebble-0.8.5 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate pebble 0.8.5 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate pebble 0.8.5 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pebble 0.8.5
[INFO] finished tweaking crates.io crate pebble 0.8.5
[INFO] tweaked toml for crates.io crate pebble 0.8.5 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d099ef44da86fc96667416c6b33ad7aa0208976152be128e9dcf4e0d56b571e
[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" "5d099ef44da86fc96667416c6b33ad7aa0208976152be128e9dcf4e0d56b571e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d099ef44da86fc96667416c6b33ad7aa0208976152be128e9dcf4e0d56b571e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d099ef44da86fc96667416c6b33ad7aa0208976152be128e9dcf4e0d56b571e", kill_on_drop: false }`
[INFO] [stdout] 5d099ef44da86fc96667416c6b33ad7aa0208976152be128e9dcf4e0d56b571e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45b67253f5672a7059905a3adb85e7a3d62e7ac1b35e78cff1935a37fa12916f
[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" "45b67253f5672a7059905a3adb85e7a3d62e7ac1b35e78cff1935a37fa12916f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking lzf v0.3.1
[INFO] [stderr]     Checking recipe-reader v0.9.11
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking pebble v0.8.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `remove_item` found for struct `Vec<std::string::String>` in the current scope
[INFO] [stdout]    --> src/commands.rs:475:13
[INFO] [stdout]     |
[INFO] [stdout] 475 |                 t.files.remove_item(&file);
[INFO] [stdout]     |                         ^^^^^^^^^^^ method not found in `Vec<std::string::String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `remove_item` found for struct `Vec<std::string::String>` in the current scope
[INFO] [stdout]    --> src/commands.rs:475:13
[INFO] [stdout]     |
[INFO] [stdout] 475 |                 t.files.remove_item(&file);
[INFO] [stdout]     |                         ^^^^^^^^^^^ method not found in `Vec<std::string::String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `remove_item` found for struct `Vec<std::string::String>` in the current scope
[INFO] [stdout]    --> src/commands.rs:557:12
[INFO] [stdout]     |
[INFO] [stdout] 557 |             t.files.remove_item(&filename.to_string());
[INFO] [stdout]     |                     ^^^^^^^^^^^ method not found in `Vec<std::string::String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `remove_item` found for struct `Vec<std::string::String>` in the current scope
[INFO] [stdout]    --> src/commands.rs:558:12
[INFO] [stdout]     |
[INFO] [stdout] 558 |             t.files.remove_item(&("src/".to_string() + filename));
[INFO] [stdout]     |                     ^^^^^^^^^^^ method not found in `Vec<std::string::String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `remove_item` found for struct `Vec<std::string::String>` in the current scope
[INFO] [stdout]    --> src/commands.rs:557:12
[INFO] [stdout]     |
[INFO] [stdout] 557 |             t.files.remove_item(&filename.to_string());
[INFO] [stdout]     |                     ^^^^^^^^^^^ method not found in `Vec<std::string::String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `remove_item` found for struct `Vec<std::string::String>` in the current scope
[INFO] [stdout]    --> src/commands.rs:558:12
[INFO] [stdout]     |
[INFO] [stdout] 558 |             t.files.remove_item(&("src/".to_string() + filename));
[INFO] [stdout]     |                     ^^^^^^^^^^^ method not found in `Vec<std::string::String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pebble`
[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" "45b67253f5672a7059905a3adb85e7a3d62e7ac1b35e78cff1935a37fa12916f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45b67253f5672a7059905a3adb85e7a3d62e7ac1b35e78cff1935a37fa12916f", kill_on_drop: false }`
[INFO] [stdout] 45b67253f5672a7059905a3adb85e7a3d62e7ac1b35e78cff1935a37fa12916f