[INFO] cloning repository https://github.com/TrolledWoods/interp_compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TrolledWoods/interp_compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrolledWoods%2Finterp_compiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrolledWoods%2Finterp_compiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1744c17dc75a0a465f4e3a100117736cd122f6ae
[INFO] building TrolledWoods/interp_compiler against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrolledWoods%2Finterp_compiler" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TrolledWoods/interp_compiler on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TrolledWoods/interp_compiler
[INFO] finished tweaking git repo https://github.com/TrolledWoods/interp_compiler
[INFO] tweaked toml for git repo https://github.com/TrolledWoods/interp_compiler written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/TrolledWoods/interp_compiler 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd5525cfbd564517670f95e6659fa061b6a695d4175d5b5be815204f4585600f
[INFO] running `Command { std: "docker" "start" "-a" "cd5525cfbd564517670f95e6659fa061b6a695d4175d5b5be815204f4585600f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd5525cfbd564517670f95e6659fa061b6a695d4175d5b5be815204f4585600f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd5525cfbd564517670f95e6659fa061b6a695d4175d5b5be815204f4585600f", kill_on_drop: false }`
[INFO] [stdout] cd5525cfbd564517670f95e6659fa061b6a695d4175d5b5be815204f4585600f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb04f367ce78785dd9fb7658f355010ffa6eb49c87fdfed1a20b66c8ed057b9f
[INFO] running `Command { std: "docker" "start" "-a" "eb04f367ce78785dd9fb7658f355010ffa6eb49c87fdfed1a20b66c8ed057b9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling interp_compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(box_syntax)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: replaced with `#[rustc_box]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/parser.rs:323:25
[INFO] [stdout]     |
[INFO] [stdout] 323 | /                         box match dir {
[INFO] [stdout] 324 | |                             LeftToRight => {
[INFO] [stdout] 325 | |                                 (value, new_value)
[INFO] [stdout] ...   |
[INFO] [stdout] 330 | |                         },
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 323 ~                         Box::new(match dir {
[INFO] [stdout] 324 |                             LeftToRight => {
[INFO] [stdout] ...
[INFO] [stdout] 329 |                             }
[INFO] [stdout] 330 ~                         }),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/parser.rs:554:39
[INFO] [stdout]     |
[INFO] [stdout] 554 |         kind: Node::Map(input.map(|v| box v), branches),
[INFO] [stdout]     |                                       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 554 |         kind: Node::Map(input.map(|v| Box::new(v)), branches),
[INFO] [stdout]     |                                       ~~~~~~~~~ +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/parser.rs:604:26
[INFO] [stdout]     |
[INFO] [stdout] 604 |                       Some(box parse_expression(
[INFO] [stdout]     |  __________________________^
[INFO] [stdout] 605 | |                         parser,
[INFO] [stdout] 606 | |                         namespace_id,
[INFO] [stdout] 607 | |                     )?)
[INFO] [stdout]     | |______________________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 604 ~                     Some(Box::new(parse_expression(
[INFO] [stdout] 605 |                         parser,
[INFO] [stdout] 606 |                         namespace_id,
[INFO] [stdout] 607 ~                     )?))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/parser.rs:617:29
[INFO] [stdout]     |
[INFO] [stdout] 617 |                   let value = box parse_expression(
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 618 | |                     parser,
[INFO] [stdout] 619 | |                     namespace_id,
[INFO] [stdout] 620 | |                 )?;
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 617 ~                 let value = Box::new(parse_expression(
[INFO] [stdout] 618 |                     parser,
[INFO] [stdout] 619 |                     namespace_id,
[INFO] [stdout] 620 ~                 )?);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/parser.rs:647:33
[INFO] [stdout]     |
[INFO] [stdout] 647 | ...                   box (expr, right_expr),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 647 |                                 Box::new((expr, right_expr)),
[INFO] [stdout]     |                                 ~~~~~~~~~                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `interp_compiler` (bin "interp_compiler") due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "eb04f367ce78785dd9fb7658f355010ffa6eb49c87fdfed1a20b66c8ed057b9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb04f367ce78785dd9fb7658f355010ffa6eb49c87fdfed1a20b66c8ed057b9f", kill_on_drop: false }`
[INFO] [stdout] eb04f367ce78785dd9fb7658f355010ffa6eb49c87fdfed1a20b66c8ed057b9f