[INFO] cloning repository https://github.com/mapmeld/rust-experiment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mapmeld/rust-experiment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmapmeld%2Frust-experiment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmapmeld%2Frust-experiment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3f0590445d07ddf2c06b92dc84b99fd226c77ac1
[INFO] checking mapmeld/rust-experiment against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmapmeld%2Frust-experiment" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mapmeld/rust-experiment on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mapmeld/rust-experiment
[INFO] finished tweaking git repo https://github.com/mapmeld/rust-experiment
[INFO] tweaked toml for git repo https://github.com/mapmeld/rust-experiment written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/mapmeld/rust-experiment already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: path `/workspace/builds/worker-3/source/src/hello.rs` was erroneously implicitly accepted for binary `hello`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]     Updating git repository `https://github.com/iron/router.git`
[INFO] [stderr] error: the lock file /workspace/builds/worker-3/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[INFO] the lockfile is outdated, regenerating it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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/iron/router.git`
[INFO] [stderr]     Updating git repository `https://github.com/iron/iron`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: path `/workspace/builds/worker-3/source/src/hello.rs` was erroneously implicitly accepted for binary `hello`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mount v0.2.1
[INFO] [stderr]   Downloaded walkdir v0.1.8
[INFO] [stderr]   Downloaded hyper v0.12.36
[INFO] [stderr]   Downloaded sequence_trie v0.0.13
[INFO] [stderr]   Downloaded staticfile v0.3.1
[INFO] [stderr]   Downloaded handlebars v0.20.5
[INFO] [stderr]   Downloaded handlebars-iron v0.18.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e5176f8e942b272f7ad7023bd57e9e8ae68df2ae329d902c5a704b2d03b2663
[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" "4e5176f8e942b272f7ad7023bd57e9e8ae68df2ae329d902c5a704b2d03b2663", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e5176f8e942b272f7ad7023bd57e9e8ae68df2ae329d902c5a704b2d03b2663", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e5176f8e942b272f7ad7023bd57e9e8ae68df2ae329d902c5a704b2d03b2663", kill_on_drop: false }`
[INFO] [stdout] 4e5176f8e942b272f7ad7023bd57e9e8ae68df2ae329d902c5a704b2d03b2663
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] d0f289c44be5a3b89a1ba7712bf3dd5bf41947756ffcc437f75b45fe284440ba
[INFO] running `Command { std: "docker" "start" "-a" "d0f289c44be5a3b89a1ba7712bf3dd5bf41947756ffcc437f75b45fe284440ba", kill_on_drop: false }`
[INFO] [stderr] warning: path `/opt/rustwide/workdir/src/hello.rs` was erroneously implicitly accepted for binary `hello`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking traitobject v0.0.1
[INFO] [stderr]     Checking sequence_trie v0.0.13
[INFO] [stderr]     Checking pest v0.3.3
[INFO] [stderr]     Checking route-recognizer v0.1.13
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking error v0.1.9
[INFO] [stderr]     Checking conduit-mime-types v0.7.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking walkdir v0.1.8
[INFO] [stderr]     Checking cookie v0.2.5
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking handlebars v0.20.5
[INFO] [stderr]     Checking solicit v0.4.4
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking hyper v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking iron v0.4.0
[INFO] [stderr]     Checking mount v0.2.1
[INFO] [stderr]     Checking handlebars-iron v0.18.0
[INFO] [stderr]     Checking staticfile v0.3.1
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking iron v0.6.0 (https://github.com/iron/iron?branch=master#cde77e5e)
[INFO] [stderr]     Checking router v0.7.0-pre1 (https://github.com/iron/router.git#ec2c7890)
[INFO] [stderr]     Checking etherbotanist v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `MemorySource`
[INFO] [stdout]   --> src/hello.rs:15:56
[INFO] [stdout]    |
[INFO] [stdout] 15 | use hbs::{Template, HandlebarsEngine, DirectorySource, MemorySource};
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MemorySource`
[INFO] [stdout]   --> src/hello.rs:15:56
[INFO] [stdout]    |
[INFO] [stdout] 15 | use hbs::{Template, HandlebarsEngine, DirectorySource, MemorySource};
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0631]: type mismatch in function arguments
[INFO] [stdout]   --> src/hello.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn hello(_: &mut Request) -> IronResult<Response> {
[INFO] [stdout]    | ------------------------------------------------- found signature of `for<'r, 's, 't0> fn(&'r mut iron::Request<'s, 't0>) -> _`
[INFO] [stdout] ...
[INFO] [stdout] 62 |     router.get("/", hello, "index");
[INFO] [stdout]    |            ^^^ expected signature of `for<'r> fn(&'r mut iron::request::Request) -> _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required because of the requirements on the impl of `iron::middleware::Handler` for `for<'r, 's, 't0> fn(&'r mut iron::Request<'s, 't0>) -> Result<iron::Response, IronError> {hello}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0631]: type mismatch in function arguments
[INFO] [stdout]   --> src/hello.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn hello(_: &mut Request) -> IronResult<Response> {
[INFO] [stdout]    | ------------------------------------------------- found signature of `for<'r, 's, 't0> fn(&'r mut iron::Request<'s, 't0>) -> _`
[INFO] [stdout] ...
[INFO] [stdout] 62 |     router.get("/", hello, "index");
[INFO] [stdout]    |            ^^^ expected signature of `for<'r> fn(&'r mut iron::request::Request) -> _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required because of the requirements on the impl of `iron::middleware::Handler` for `for<'r, 's, 't0> fn(&'r mut iron::Request<'s, 't0>) -> Result<iron::Response, IronError> {hello}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: expected a `Fn<(&mut iron::request::Request,)>` closure, found `iron::Chain`
[INFO] [stdout]   --> src/hello.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 63 |     router.get("/name/:name", hello_chain, "name");
[INFO] [stdout]    |            ^^^ expected an `Fn<(&mut iron::request::Request,)>` closure, found `iron::Chain`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `for<'r> Fn<(&'r mut iron::request::Request,)>` is not implemented for `iron::Chain`
[INFO] [stdout]    = note: required because of the requirements on the impl of `iron::middleware::Handler` for `iron::Chain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: expected a `Fn<(&mut iron::Request<'_, '_>,)>` closure, found `Router`
[INFO] [stdout]   --> src/hello.rs:67:22
[INFO] [stdout]    |
[INFO] [stdout] 67 |     mount.mount("/", router)
[INFO] [stdout]    |                      ^^^^^^ expected an `Fn<(&mut iron::Request<'_, '_>,)>` closure, found `Router`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `for<'r, 's, 't0> Fn<(&'r mut iron::Request<'s, 't0>,)>` is not implemented for `Router`
[INFO] [stdout]    = note: required because of the requirements on the impl of `Handler` for `Router`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0631.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `etherbotanist`
[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[E0277]: expected a `Fn<(&mut iron::request::Request,)>` closure, found `iron::Chain`
[INFO] [stdout]   --> src/hello.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 63 |     router.get("/name/:name", hello_chain, "name");
[INFO] [stdout]    |            ^^^ expected an `Fn<(&mut iron::request::Request,)>` closure, found `iron::Chain`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `for<'r> Fn<(&'r mut iron::request::Request,)>` is not implemented for `iron::Chain`
[INFO] [stdout]    = note: required because of the requirements on the impl of `iron::middleware::Handler` for `iron::Chain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: expected a `Fn<(&mut iron::Request<'_, '_>,)>` closure, found `Router`
[INFO] [stdout]   --> src/hello.rs:67:22
[INFO] [stdout]    |
[INFO] [stdout] 67 |     mount.mount("/", router)
[INFO] [stdout]    |                      ^^^^^^ expected an `Fn<(&mut iron::Request<'_, '_>,)>` closure, found `Router`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `for<'r, 's, 't0> Fn<(&'r mut iron::Request<'s, 't0>,)>` is not implemented for `Router`
[INFO] [stdout]    = note: required because of the requirements on the impl of `Handler` for `Router`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0631.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d0f289c44be5a3b89a1ba7712bf3dd5bf41947756ffcc437f75b45fe284440ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0f289c44be5a3b89a1ba7712bf3dd5bf41947756ffcc437f75b45fe284440ba", kill_on_drop: false }`
[INFO] [stdout] d0f289c44be5a3b89a1ba7712bf3dd5bf41947756ffcc437f75b45fe284440ba