[INFO] fetching crate pluto 0.0.2...
[INFO] checking pluto-0.0.2 against beta for pr-78714
[INFO] extracting crate pluto 0.0.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate pluto 0.0.2 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pluto 0.0.2
[INFO] finished tweaking crates.io crate pluto 0.0.2
[INFO] tweaked toml for crates.io crate pluto 0.0.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b12c0fe76441e1461b31b47e166bd7349ad59e4f228c81ab85d15ba57a8c3cf9
[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" "b12c0fe76441e1461b31b47e166bd7349ad59e4f228c81ab85d15ba57a8c3cf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b12c0fe76441e1461b31b47e166bd7349ad59e4f228c81ab85d15ba57a8c3cf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b12c0fe76441e1461b31b47e166bd7349ad59e4f228c81ab85d15ba57a8c3cf9", kill_on_drop: false }`
[INFO] [stdout] b12c0fe76441e1461b31b47e166bd7349ad59e4f228c81ab85d15ba57a8c3cf9
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 53a0ec05434d9ab4d0b75b2faa7f7ce9292a5aaffc37271dec1f5e0c14b393a3
[INFO] running `Command { std: "docker" "start" "-a" "53a0ec05434d9ab4d0b75b2faa7f7ce9292a5aaffc37271dec1f5e0c14b393a3", kill_on_drop: false }`
[INFO] [stderr]     Checking traitobject v0.0.1
[INFO] [stderr]     Checking sequence_trie v0.0.13
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking unicode-bidi v0.2.6
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling phf_shared v0.7.15
[INFO] [stderr]     Checking walkdir v0.1.8
[INFO] [stderr]     Checking cookie v0.2.5
[INFO] [stderr]     Checking uuid v0.2.3
[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stderr]     Checking handlebars v0.18.2
[INFO] [stderr]    Compiling phf v0.7.15
[INFO] [stderr]     Checking solicit v0.4.4
[INFO] [stderr]     Checking url v0.5.10
[INFO] [stderr]     Checking postgres v0.11.12
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling phf_generator v0.7.15
[INFO] [stderr]    Compiling phf_codegen v0.7.15
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]     Checking hyper v0.8.1
[INFO] [stderr]     Checking iron v0.6.1
[INFO] [stderr]     Checking iron v0.3.1
[INFO] [stderr]     Checking mount v0.1.0
[INFO] [stderr]     Checking router v0.1.1
[INFO] [stderr]     Checking handlebars-iron v0.15.3
[INFO] [stderr]     Checking staticfile v0.2.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking time v0.2.22
[INFO] [stderr]     Checking logger v0.0.3
[INFO] [stderr]     Checking pluto v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: expected a `Fn<(&mut iron::Request<'_, '_>,)>` closure, found `Logger`
[INFO] [stdout]   --> src/main.rs:86:23
[INFO] [stdout]    |
[INFO] [stdout] 86 |     chain.link_before(logger_before);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^ expected an `Fn<(&mut iron::Request<'_, '_>,)>` closure, found `Logger`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `for<'r, 's, 't0> Fn<(&'r mut iron::Request<'s, 't0>,)>` is not implemented for `Logger`
[INFO] [stdout]    = note: required because of the requirements on the impl of `BeforeMiddleware` for `Logger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: expected a `Fn<(&mut iron::Request<'_, '_>,)>` closure, found `Logger`
[INFO] [stdout]   --> src/main.rs:86:23
[INFO] [stdout]    |
[INFO] [stdout] 86 |     chain.link_before(logger_before);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^ expected an `Fn<(&mut iron::Request<'_, '_>,)>` closure, found `Logger`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `for<'r, 's, 't0> Fn<(&'r mut iron::Request<'s, 't0>,)>` is not implemented for `Logger`
[INFO] [stdout]    = note: required because of the requirements on the impl of `BeforeMiddleware` for `Logger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: expected a `Fn<(&mut iron::Request<'_, '_>, iron::Response)>` closure, found `Logger`
[INFO] [stdout]   --> src/main.rs:87:22
[INFO] [stdout]    |
[INFO] [stdout] 87 |     chain.link_after(logger_after);
[INFO] [stdout]    |                      ^^^^^^^^^^^^ expected an `Fn<(&mut iron::Request<'_, '_>, iron::Response)>` closure, found `Logger`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `for<'r, 's, 't0> Fn<(&'r mut iron::Request<'s, 't0>, iron::Response)>` is not implemented for `Logger`
[INFO] [stdout]    = note: required because of the requirements on the impl of `AfterMiddleware` for `Logger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: expected a `Fn<(&mut iron::Request<'_, '_>, iron::Response)>` closure, found `Logger`
[INFO] [stdout]   --> src/main.rs:87:22
[INFO] [stdout]    |
[INFO] [stdout] 87 |     chain.link_after(logger_after);
[INFO] [stdout]    |                      ^^^^^^^^^^^^ expected an `Fn<(&mut iron::Request<'_, '_>, iron::Response)>` closure, found `Logger`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `for<'r, 's, 't0> Fn<(&'r mut iron::Request<'s, 't0>, iron::Response)>` is not implemented for `Logger`
[INFO] [stdout]    = note: required because of the requirements on the impl of `AfterMiddleware` for `Logger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pluto`
[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" "53a0ec05434d9ab4d0b75b2faa7f7ce9292a5aaffc37271dec1f5e0c14b393a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53a0ec05434d9ab4d0b75b2faa7f7ce9292a5aaffc37271dec1f5e0c14b393a3", kill_on_drop: false }`
[INFO] [stdout] 53a0ec05434d9ab4d0b75b2faa7f7ce9292a5aaffc37271dec1f5e0c14b393a3