[INFO] cloning repository https://github.com/Undin/features-2018-3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Undin/features-2018-3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUndin%2Ffeatures-2018-3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUndin%2Ffeatures-2018-3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 798fbdf8cf367be2670386ff2cf105f1a589876a
[INFO] checking Undin/features-2018-3 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUndin%2Ffeatures-2018-3" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Undin/features-2018-3 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Undin/features-2018-3
[INFO] finished tweaking git repo https://github.com/Undin/features-2018-3
[INFO] tweaked toml for git repo https://github.com/Undin/features-2018-3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Undin/features-2018-3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca7326dcfba1cf8f80c48960261388c58c50a705a25e8300119b20ad2094e830
[INFO] running `Command { std: "docker" "start" "-a" "ca7326dcfba1cf8f80c48960261388c58c50a705a25e8300119b20ad2094e830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca7326dcfba1cf8f80c48960261388c58c50a705a25e8300119b20ad2094e830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca7326dcfba1cf8f80c48960261388c58c50a705a25e8300119b20ad2094e830", kill_on_drop: false }`
[INFO] [stdout] ca7326dcfba1cf8f80c48960261388c58c50a705a25e8300119b20ad2094e830
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ee80439bb2b2018b582585ba405555749bf9c77a642933d202ea63a990ed7aa
[INFO] running `Command { std: "docker" "start" "-a" "0ee80439bb2b2018b582585ba405555749bf9c77a642933d202ea63a990ed7aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling diesel_derives v1.3.0
[INFO] [stderr]     Checking diesel v1.3.3
[INFO] [stderr]     Checking features-2018-3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `fact` is never used
[INFO] [stdout]  --> examples/tests.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn fact(n: u32) -> u32 {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `weak`
[INFO] [stdout]  --> examples/debug_rc.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let weak = Rc::downgrade(&rc2);
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_weak`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> examples/debug_cell.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let y = 1;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `weak2`
[INFO] [stdout]   --> examples/debug_rc.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let weak2 = Arc::downgrade(&arc2);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_weak2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `yy`
[INFO] [stdout]   --> examples/debug_cell.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let yy = 2;
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_yy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> examples/debug_cell.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let r = ref_cell.borrow();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> examples/debug_vec.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut v = all_primes(10000);
[INFO] [stdout]   |         ----^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `diesel`
[INFO] [stdout]  --> examples/actions_and_intentions.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use diesel::Connection;
[INFO] [stdout]   |     ^^^^^^ maybe a missing crate `diesel`?
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider adding `extern crate diesel` to use the `diesel` crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `point::Point3D`
[INFO] [stdout]  --> examples/actions_and_intentions.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use point::Point3D;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `point::Point2D`
[INFO] [stdout]  --> examples/actions_and_intentions.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use point::Point2D; // Cmd+Alt+O to optimize imports.
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.borrow()` on a double reference, which returns `&Cell<&str>` instead of borrowing the inner type
[INFO] [stdout]  --> examples/debug_cell.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let x = cell.borrow();
[INFO] [stdout]   |                 ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find type `table` in this scope
[INFO] [stdout]   --> examples/macro_expansion.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / table! {
[INFO] [stdout] 15 | |     followings (user_id, post_id) {
[INFO] [stdout] 16 | |         user_id -> Integer,
[INFO] [stdout] 17 | |         post_id -> Integer,
[INFO] [stdout] 18 | |         favorited -> Bool,
[INFO] [stdout] 19 | |     }
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^ names from parent modules are not accessible without an explicit import
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #83583 <https://github.com/rust-lang/rust/issues/83583>
[INFO] [stdout]    = note: `#[deny(proc_macro_derive_resolution_fallback)]` on by default
[INFO] [stdout]    = note: this error originates in the derive macro `QueryId` which comes from the expansion of the macro `table` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find type `user_id` in this scope
[INFO] [stdout]   --> examples/macro_expansion.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / table! {
[INFO] [stdout] 15 | |     followings (user_id, post_id) {
[INFO] [stdout] 16 | |         user_id -> Integer,
[INFO] [stdout] 17 | |         post_id -> Integer,
[INFO] [stdout] 18 | |         favorited -> Bool,
[INFO] [stdout] 19 | |     }
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^ names from parent modules are not accessible without an explicit import
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #83583 <https://github.com/rust-lang/rust/issues/83583>
[INFO] [stdout]    = note: this error originates in the derive macro `QueryId` which comes from the expansion of the macro `table` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find type `post_id` in this scope
[INFO] [stdout]   --> examples/macro_expansion.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / table! {
[INFO] [stdout] 15 | |     followings (user_id, post_id) {
[INFO] [stdout] 16 | |         user_id -> Integer,
[INFO] [stdout] 17 | |         post_id -> Integer,
[INFO] [stdout] 18 | |         favorited -> Bool,
[INFO] [stdout] 19 | |     }
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^ names from parent modules are not accessible without an explicit import
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #83583 <https://github.com/rust-lang/rust/issues/83583>
[INFO] [stdout]    = note: this error originates in the derive macro `QueryId` which comes from the expansion of the macro `table` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find type `favorited` in this scope
[INFO] [stdout]   --> examples/macro_expansion.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / table! {
[INFO] [stdout] 15 | |     followings (user_id, post_id) {
[INFO] [stdout] 16 | |         user_id -> Integer,
[INFO] [stdout] 17 | |         post_id -> Integer,
[INFO] [stdout] 18 | |         favorited -> Bool,
[INFO] [stdout] 19 | |     }
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^ names from parent modules are not accessible without an explicit import
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #83583 <https://github.com/rust-lang/rust/issues/83583>
[INFO] [stdout]    = note: this error originates in the derive macro `QueryId` which comes from the expansion of the macro `table` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `read` found for struct `Stdin` in the current scope
[INFO] [stdout]  --> examples/inspections.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     stdin().read/*caret*/(&mut buf); // pres Alt + Enter to import `Read` trait
[INFO] [stdout]   |             ^^^^ method not found in `Stdin`
[INFO] [stdout]  --> /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/io/mod.rs:650:8
[INFO] [stdout]   |
[INFO] [stdout]   = note: the method is available for `Stdin` here
[INFO] [stdout]   |
[INFO] [stdout]   = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]   |
[INFO] [stdout] 1 + use std::io::Read;
[INFO] [stdout]   |
[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 E0599`.
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> examples/actions_and_intentions.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 6  | fn main() {
[INFO] [stdout]    |           - expected `()` because of default return type
[INFO] [stdout] ...
[INFO] [stdout] 13 |         s.remove(0)
[INFO] [stdout]    |         ^^^^^^^^^^^- help: consider using a semicolon here: `;`
[INFO] [stdout]    |         |
[INFO] [stdout]    |         expected `()`, found `char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `features-2018-3` (example "inspections") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0609]: no field `iter` on type `Vec<u8>`
[INFO] [stdout]   --> examples/actions_and_intentions.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 |     v.iter // Ctrl+Space -> select `iter`
[INFO] [stdout]    |       ^^^^ unknown field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0432, E0609.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `features-2018-3` (example "actions_and_intentions") due to 4 previous errors; 2 warnings emitted
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `features-2018-3` (example "macro_expansion") due to 13 previous errors
[INFO] running `Command { std: "docker" "inspect" "0ee80439bb2b2018b582585ba405555749bf9c77a642933d202ea63a990ed7aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ee80439bb2b2018b582585ba405555749bf9c77a642933d202ea63a990ed7aa", kill_on_drop: false }`
[INFO] [stdout] 0ee80439bb2b2018b582585ba405555749bf9c77a642933d202ea63a990ed7aa
