[INFO] fetching crate rivet 0.0.1...
[INFO] checking rivet-0.0.1 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate rivet 0.0.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rivet 0.0.1 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rivet 0.0.1
[INFO] finished tweaking crates.io crate rivet 0.0.1
[INFO] tweaked toml for crates.io crate rivet 0.0.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a574f94beb0cceedcef7bc9daa32f4625ce82e823a09a647bb3ae6a657971bb7
[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" "a574f94beb0cceedcef7bc9daa32f4625ce82e823a09a647bb3ae6a657971bb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a574f94beb0cceedcef7bc9daa32f4625ce82e823a09a647bb3ae6a657971bb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a574f94beb0cceedcef7bc9daa32f4625ce82e823a09a647bb3ae6a657971bb7", kill_on_drop: false }`
[INFO] [stdout] a574f94beb0cceedcef7bc9daa32f4625ce82e823a09a647bb3ae6a657971bb7
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a053b06c814fdc48e18ef96e586610537de447053c030851543dbeadb9510f65
[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" "a053b06c814fdc48e18ef96e586610537de447053c030851543dbeadb9510f65", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking encode_unicode v0.1.3
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking string-interner v0.6.4
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking rustyline v1.0.0
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking rivet v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/lexer.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | / /// This is kind of hacky; doesn't do special characters, escaped quotes, etc
[INFO] [stdout] 68 | | /// but fine for now.
[INFO] [stdout]    | |_--------------------^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/lexer.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout] 74 | / /// This is also hacky 'cause it doesn't actually recognize any special
[INFO] [stdout] 75 | | /// THINGS like backslashes, numbers, etc; basically if something doesn't
[INFO] [stdout] 76 | | /// match any other token type then it's a valid word.
[INFO] [stdout]    | |_-----------------------------------------------------^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/builtins.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nom::*`
[INFO] [stdout]   --> src/lexer.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 | use nom::*;
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]  --> src/vm.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/lexer.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | / /// This is kind of hacky; doesn't do special characters, escaped quotes, etc
[INFO] [stdout] 68 | | /// but fine for now.
[INFO] [stdout]    | |_--------------------^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/lexer.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout] 74 | / /// This is also hacky 'cause it doesn't actually recognize any special
[INFO] [stdout] 75 | | /// THINGS like backslashes, numbers, etc; basically if something doesn't
[INFO] [stdout] 76 | | /// match any other token type then it's a valid word.
[INFO] [stdout]    | |_-----------------------------------------------------^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/builtins.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nom::*`
[INFO] [stdout]   --> src/lexer.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 | use nom::*;
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]  --> src/vm.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vm::Value::*`
[INFO] [stdout]    --> src/vm.rs:304:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |     use vm::Value::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `builtins`
[INFO] [stdout]    --> src/vm.rs:305:9
[INFO] [stdout]     |
[INFO] [stdout] 305 |     use builtins;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_id`
[INFO] [stdout]   --> src/lexer.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn is_id(&self) -> bool {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_int`
[INFO] [stdout]   --> src/vm.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn get_int(&self) -> Option<i32> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_block`
[INFO] [stdout]   --> src/vm.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn get_block(&self) -> Option<&[Ast]> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_symbol`
[INFO] [stdout]   --> src/vm.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn get_symbol(&self) -> Option<&str> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `quote`
[INFO] [stdout]   --> src/vm.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn quote(&self) -> Ast {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_id`
[INFO] [stdout]   --> src/lexer.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn is_id(&self) -> bool {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_int`
[INFO] [stdout]   --> src/vm.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn get_int(&self) -> Option<i32> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_block`
[INFO] [stdout]   --> src/vm.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn get_block(&self) -> Option<&[Ast]> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_symbol`
[INFO] [stdout]   --> src/vm.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn get_symbol(&self) -> Option<&str> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `quote`
[INFO] [stdout]   --> src/vm.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn quote(&self) -> Ast {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.83s
[INFO] running `Command { std: "docker" "inspect" "a053b06c814fdc48e18ef96e586610537de447053c030851543dbeadb9510f65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a053b06c814fdc48e18ef96e586610537de447053c030851543dbeadb9510f65", kill_on_drop: false }`
[INFO] [stdout] a053b06c814fdc48e18ef96e586610537de447053c030851543dbeadb9510f65