[INFO] cloning repository https://github.com/comicfans/renamefs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/comicfans/renamefs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomicfans%2Frenamefs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomicfans%2Frenamefs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 215b84ab98c2d9b20fdc2b83b704763aa264de61
[INFO] checking comicfans/renamefs against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomicfans%2Frenamefs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/comicfans/renamefs on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/comicfans/renamefs
[INFO] finished tweaking git repo https://github.com/comicfans/renamefs
[INFO] tweaked toml for git repo https://github.com/comicfans/renamefs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/comicfans/renamefs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "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" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6584df7710ad575bf3b2179ad9e36f65100e6df7a4954f9a7158bd1f47a6a5bf
[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" "6584df7710ad575bf3b2179ad9e36f65100e6df7a4954f9a7158bd1f47a6a5bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6584df7710ad575bf3b2179ad9e36f65100e6df7a4954f9a7158bd1f47a6a5bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6584df7710ad575bf3b2179ad9e36f65100e6df7a4954f9a7158bd1f47a6a5bf", kill_on_drop: false }`
[INFO] [stdout] 6584df7710ad575bf3b2179ad9e36f65100e6df7a4954f9a7158bd1f47a6a5bf
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 276f35e25e76e5f63028df730775e4336481a102dea89274eb9752346fbc3acf
[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" "276f35e25e76e5f63028df730775e4336481a102dea89274eb9752346fbc3acf", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling backtrace v0.3.58
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking fuse_mt v0.5.1
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking parity-daemonize v0.3.0
[INFO] [stderr]     Checking renamefs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0053]: method `read` has an incompatible type for trait
[INFO] [stdout]    --> src/passthrough.rs:319:5
[INFO] [stdout]     |
[INFO] [stdout] 319 | /     fn read(
[INFO] [stdout] 320 | |         &self,
[INFO] [stdout] 321 | |         _req: RequestInfo,
[INFO] [stdout] 322 | |         path: &Path,
[INFO] [stdout] ...   |
[INFO] [stdout] 350 | |         result(Ok(&data));
[INFO] [stdout] 351 | |     }
[INFO] [stdout]     | |_____^ expected struct `CallbackResult`, found `()`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected fn pointer `fn(&PassthroughFS, fuse_mt::RequestInfo, &Path, _, _, _, _) -> CallbackResult`
[INFO] [stdout]                found fn pointer `fn(&PassthroughFS, fuse_mt::RequestInfo, &Path, _, _, _, _)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `read` has an incompatible type for trait
[INFO] [stdout]    --> src/passthrough.rs:319:5
[INFO] [stdout]     |
[INFO] [stdout] 319 | /     fn read(
[INFO] [stdout] 320 | |         &self,
[INFO] [stdout] 321 | |         _req: RequestInfo,
[INFO] [stdout] 322 | |         path: &Path,
[INFO] [stdout] ...   |
[INFO] [stdout] 350 | |         result(Ok(&data));
[INFO] [stdout] 351 | |     }
[INFO] [stdout]     | |_____^ expected struct `CallbackResult`, found `()`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected fn pointer `fn(&passthrough::PassthroughFS, fuse_mt::RequestInfo, &std::path::Path, _, _, _, _) -> CallbackResult`
[INFO] [stdout]                found fn pointer `fn(&passthrough::PassthroughFS, fuse_mt::RequestInfo, &std::path::Path, _, _, _, _)`
[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 E0053`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `renamefs`
[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] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0053`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "276f35e25e76e5f63028df730775e4336481a102dea89274eb9752346fbc3acf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "276f35e25e76e5f63028df730775e4336481a102dea89274eb9752346fbc3acf", kill_on_drop: false }`
[INFO] [stdout] 276f35e25e76e5f63028df730775e4336481a102dea89274eb9752346fbc3acf