[INFO] fetching crate pebble 0.8.5...
[INFO] checking pebble-0.8.5 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate pebble 0.8.5 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate pebble 0.8.5 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42dcdf9d2908269e3a60d7fe1d237f98bf37254da9f4fffe477c734d166a7773
[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" "42dcdf9d2908269e3a60d7fe1d237f98bf37254da9f4fffe477c734d166a7773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42dcdf9d2908269e3a60d7fe1d237f98bf37254da9f4fffe477c734d166a7773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42dcdf9d2908269e3a60d7fe1d237f98bf37254da9f4fffe477c734d166a7773", kill_on_drop: false }`
[INFO] [stdout] 42dcdf9d2908269e3a60d7fe1d237f98bf37254da9f4fffe477c734d166a7773
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a082571ba18dd7aad0c620a7732e69dae18e239152a6b170fd256426f91d59c2
[INFO] running `Command { std: "docker" "start" "-a" "a082571ba18dd7aad0c620a7732e69dae18e239152a6b170fd256426f91d59c2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]     Checking lzf v0.3.1
[INFO] [stderr]     Checking recipe-reader v0.9.11
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]    Compiling serde_derive v1.0.130
[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: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: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: 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] [stderr] error: could not compile `pebble` due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a082571ba18dd7aad0c620a7732e69dae18e239152a6b170fd256426f91d59c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a082571ba18dd7aad0c620a7732e69dae18e239152a6b170fd256426f91d59c2", kill_on_drop: false }`
[INFO] [stdout] a082571ba18dd7aad0c620a7732e69dae18e239152a6b170fd256426f91d59c2