[INFO] fetching crate xlsx 0.1.0...
[INFO] checking xlsx-0.1.0 against master#6526e5c772f2da07db745c94ca6bb0a591a39ba4 for pr-80920
[INFO] extracting crate xlsx 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate xlsx 0.1.0 on toolchain 6526e5c772f2da07db745c94ca6bb0a591a39ba4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xlsx 0.1.0
[INFO] finished tweaking crates.io crate xlsx 0.1.0
[INFO] tweaked toml for crates.io crate xlsx 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6e763278e8b7361fb96931d8862701fc99f27b6ad94df8e0a068445789ecdb6
[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" "a6e763278e8b7361fb96931d8862701fc99f27b6ad94df8e0a068445789ecdb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6e763278e8b7361fb96931d8862701fc99f27b6ad94df8e0a068445789ecdb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6e763278e8b7361fb96931d8862701fc99f27b6ad94df8e0a068445789ecdb6", kill_on_drop: false }`
[INFO] [stdout] a6e763278e8b7361fb96931d8862701fc99f27b6ad94df8e0a068445789ecdb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f258edc5b37102ab60b5dd9bd1eef518c9f2d5314a073dcd4b8bba5c3e2b066b
[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" "f258edc5b37102ab60b5dd9bd1eef518c9f2d5314a073dcd4b8bba5c3e2b066b", kill_on_drop: false }`
[INFO] [stderr]     Checking podio v0.1.7
[INFO] [stderr]     Checking xml_writer v0.1.4
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stdout] error[E0061]: this function takes 1 argument but 0 arguments were supplied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xml_writer-0.1.4/src/xml_writer.rs:145:49
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 _    => try!(self.write_slice(c.encode_utf8().as_slice()))
[INFO] [stdout]     |                                                 ^^^^^^^^^^^- supplied 0 arguments
[INFO] [stdout]     |                                                 |
[INFO] [stdout]     |                                                 expected 1 argument
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_slice` found for mutable reference `&mut str` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xml_writer-0.1.4/src/xml_writer.rs:145:63
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 _    => try!(self.write_slice(c.encode_utf8().as_slice()))
[INFO] [stdout]     |                                                               ^^^^^^^^ method not found in `&mut str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xml_writer`
[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" "f258edc5b37102ab60b5dd9bd1eef518c9f2d5314a073dcd4b8bba5c3e2b066b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f258edc5b37102ab60b5dd9bd1eef518c9f2d5314a073dcd4b8bba5c3e2b066b", kill_on_drop: false }`
[INFO] [stdout] f258edc5b37102ab60b5dd9bd1eef518c9f2d5314a073dcd4b8bba5c3e2b066b