[INFO] cloning repository https://github.com/zemlanin/writers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zemlanin/writers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzemlanin%2Fwriters", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzemlanin%2Fwriters'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0983986084cddae0a9d80369e6e338c222477211
[INFO] testing zemlanin/writers against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzemlanin%2Fwriters" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zemlanin/writers on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zemlanin/writers
[INFO] finished tweaking git repo https://github.com/zemlanin/writers
[INFO] tweaked toml for git repo https://github.com/zemlanin/writers written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/zemlanin/writers already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-8/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[INFO] the lockfile is outdated, regenerating it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" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/nickel-org/rust-mustache.git`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c41fada000f11fa7268dc2dc51b11c225d9e6475cbabdd16e3a16d02ee40b08f
[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" "c41fada000f11fa7268dc2dc51b11c225d9e6475cbabdd16e3a16d02ee40b08f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c41fada000f11fa7268dc2dc51b11c225d9e6475cbabdd16e3a16d02ee40b08f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c41fada000f11fa7268dc2dc51b11c225d9e6475cbabdd16e3a16d02ee40b08f", kill_on_drop: false }`
[INFO] [stdout] c41fada000f11fa7268dc2dc51b11c225d9e6475cbabdd16e3a16d02ee40b08f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3566594fac45507cd6f30a59a0d68f7f0185d23f1618d0a3faba0fc044c168fa
[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" "3566594fac45507cd6f30a59a0d68f7f0185d23f1618d0a3faba0fc044c168fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling mustache v0.9.0 (https://github.com/nickel-org/rust-mustache.git#d60f4515)
[INFO] [stderr]    Compiling writers v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::ffi::AsOsStr`
[INFO] [stdout]    --> src/main.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |     use std::ffi::AsOsStr;
[INFO] [stdout]     |         ^^^^^^^^^^-------
[INFO] [stdout]     |         |         |
[INFO] [stdout]     |         |         help: a similar name exists in the module: `OsStr`
[INFO] [stdout]     |         no `AsOsStr` in `ffi`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(core)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(std_misc)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(path_ext)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(slice_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(path_relative_from)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:157:21
[INFO] [stdout]     |
[INFO] [stdout] 157 |         let mut f = try!(File::open(template_path.as_os_str()));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |         try!(f.read_to_string(&mut s));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `relative_from` found for struct `std::path::PathBuf` in the current scope
[INFO] [stdout]   --> src/main.rs:96:46
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let relative_path_md = absolute_path.relative_from(&input_path).unwrap();
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^ method not found in `std::path::PathBuf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `PageData: serde::ser::Serialize` is not satisfied
[INFO] [stdout]    --> src/main.rs:103:48
[INFO] [stdout]     |
[INFO] [stdout] 103 |         try_print!(template.render(&mut bytes, &page));
[INFO] [stdout]     |                                                ^^^^^ the trait `serde::ser::Serialize` is not implemented for `PageData`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `relative_from` found for reference `&std::path::Path` in the current scope
[INFO] [stdout]    --> src/main.rs:142:42
[INFO] [stdout]     |
[INFO] [stdout] 142 |         let relative_path = input_target.relative_from(input_path).unwrap();
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^ method not found in `&std::path::Path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:161:12
[INFO] [stdout]     |
[INFO] [stdout] 161 |         Ok(mustache::compile_str(&s))
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `mustache::Template`, found enum `std::result::Result`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `mustache::Template`
[INFO] [stdout]                  found enum `std::result::Result<mustache::Template, mustache::Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308, E0432, E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `writers`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "3566594fac45507cd6f30a59a0d68f7f0185d23f1618d0a3faba0fc044c168fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3566594fac45507cd6f30a59a0d68f7f0185d23f1618d0a3faba0fc044c168fa", kill_on_drop: false }`
[INFO] [stdout] 3566594fac45507cd6f30a59a0d68f7f0185d23f1618d0a3faba0fc044c168fa
