[INFO] cloning repository https://github.com/chad-russell/seam
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chad-russell/seam" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchad-russell%2Fseam", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchad-russell%2Fseam'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 25cbf94a29c9ef7022c800ff1563ac9028c4aeb4
[INFO] checking chad-russell/seam against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchad-russell%2Fseam" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chad-russell/seam on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chad-russell/seam
[INFO] finished tweaking git repo https://github.com/chad-russell/seam
[INFO] tweaked toml for git repo https://github.com/chad-russell/seam written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/chad-russell/seam already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39c81b01d43d0ced077e53681db5f7b5b98002d7568bcdcfdb45ec8e65afae02
[INFO] running `Command { std: "docker" "start" "-a" "39c81b01d43d0ced077e53681db5f7b5b98002d7568bcdcfdb45ec8e65afae02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39c81b01d43d0ced077e53681db5f7b5b98002d7568bcdcfdb45ec8e65afae02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39c81b01d43d0ced077e53681db5f7b5b98002d7568bcdcfdb45ec8e65afae02", kill_on_drop: false }`
[INFO] [stdout] 39c81b01d43d0ced077e53681db5f7b5b98002d7568bcdcfdb45ec8e65afae02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a096e7838f8808de69f62a0e5f3bddce0bb12d38aad72725a3dd345e0be1293d
[INFO] running `Command { std: "docker" "start" "-a" "a096e7838f8808de69f62a0e5f3bddce0bb12d38aad72725a3dd345e0be1293d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling cranelift-entity v0.67.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.67.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling target-lexicon v0.11.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking regalloc v0.0.30
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking cranelift-bforest v0.67.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.67.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking mio v0.7.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking errno v0.2.6
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking crossterm v0.17.7
[INFO] [stderr]     Checking string-interner v0.12.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]    Compiling cranelift-codegen v0.67.0
[INFO] [stderr]     Checking cranelift-frontend v0.67.0
[INFO] [stderr]     Checking cranelift-module v0.67.0
[INFO] [stderr]     Checking cranelift-native v0.67.0
[INFO] [stderr]     Checking cranelift v0.67.0
[INFO] [stderr]     Checking cranelift-simplejit v0.67.0
[INFO] [stderr]     Checking seam v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Colorize`, `Event`, `KeyCode`, `KeyEvent`, `QueueableCommand`, `self`, `self`
[INFO] [stdout]  --> src/main.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     event::{self, Event, KeyCode, KeyEvent},
[INFO] [stdout]   |             ^^^^  ^^^^^  ^^^^^^^  ^^^^^^^^
[INFO] [stdout] 7 |     style::{self, Colorize},
[INFO] [stdout]   |             ^^^^  ^^^^^^^^
[INFO] [stdout] 8 |     QueueableCommand,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Write`, `stdout`
[INFO] [stdout]   --> src/main.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::io::{stdout, Write};
[INFO] [stdout]    |               ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FUNC_PTRS`, `Value`
[INFO] [stdout]   --> src/main.rs:17:24
[INFO] [stdout]    |
[INFO] [stdout] 17 | use backend::{Backend, Value, FUNC_PTRS};
[INFO] [stdout]    |                        ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Node`, `Range`, `Token`, `Type`
[INFO] [stdout]   --> src/main.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 | use parser::{CompileError, Node, Range, Token, Type};
[INFO] [stdout]    |                            ^^^^  ^^^^^  ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Colorize`, `Event`, `KeyCode`, `KeyEvent`, `QueueableCommand`, `self`, `self`
[INFO] [stdout]  --> src/main.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     event::{self, Event, KeyCode, KeyEvent},
[INFO] [stdout]   |             ^^^^  ^^^^^  ^^^^^^^  ^^^^^^^^
[INFO] [stdout] 7 |     style::{self, Colorize},
[INFO] [stdout]   |             ^^^^  ^^^^^^^^
[INFO] [stdout] 8 |     QueueableCommand,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Write`, `stdout`
[INFO] [stdout]   --> src/main.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::io::{stdout, Write};
[INFO] [stdout]    |               ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FUNC_PTRS`, `Value`
[INFO] [stdout]   --> src/main.rs:17:24
[INFO] [stdout]    |
[INFO] [stdout] 17 | use backend::{Backend, Value, FUNC_PTRS};
[INFO] [stdout]    |                        ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Node`, `Range`, `Token`, `Type`
[INFO] [stdout]   --> src/main.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 | use parser::{CompileError, Node, Range, Token, Type};
[INFO] [stdout]    |                            ^^^^  ^^^^^  ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tokens_range`
[INFO] [stdout]     --> src/parser.rs:1599:29
[INFO] [stdout]      |
[INFO] [stdout] 1599 |                         let tokens_range = Range::new(tokens_start, range.end);
[INFO] [stdout]      |                             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens_range`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tokens_range`
[INFO] [stdout]     --> src/parser.rs:1599:29
[INFO] [stdout]      |
[INFO] [stdout] 1599 |                         let tokens_range = Range::new(tokens_start, range.end);
[INFO] [stdout]      |                             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens_range`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `append_source`
[INFO] [stdout]    --> src/backend.rs:158:12
[INFO] [stdout]     |
[INFO] [stdout] 158 |     pub fn append_source(&mut self, source: &str) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PushToken`
[INFO] [stdout]    --> src/parser.rs:863:5
[INFO] [stdout]     |
[INFO] [stdout] 863 |     PushToken(Id, Id),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push_lexer`
[INFO] [stdout]    --> src/parser.rs:952:12
[INFO] [stdout]     |
[INFO] [stdout] 952 |     pub fn push_lexer(&mut self, source_name: String, string: &'a str) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_repl`
[INFO] [stdout]     --> src/parser.rs:2018:12
[INFO] [stdout]      |
[INFO] [stdout] 2018 |     pub fn parse_repl(&mut self) -> Result<Id, CompileError> {
[INFO] [stdout]      |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/backend.rs:1808:9
[INFO] [stdout]      |
[INFO] [stdout] 1808 |         self.backend.module.define_data(data_id, &data_ctx);
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `append_source`
[INFO] [stdout]    --> src/backend.rs:158:12
[INFO] [stdout]     |
[INFO] [stdout] 158 |     pub fn append_source(&mut self, source: &str) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PushToken`
[INFO] [stdout]    --> src/parser.rs:863:5
[INFO] [stdout]     |
[INFO] [stdout] 863 |     PushToken(Id, Id),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push_lexer`
[INFO] [stdout]    --> src/parser.rs:952:12
[INFO] [stdout]     |
[INFO] [stdout] 952 |     pub fn push_lexer(&mut self, source_name: String, string: &'a str) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_repl`
[INFO] [stdout]     --> src/parser.rs:2018:12
[INFO] [stdout]      |
[INFO] [stdout] 2018 |     pub fn parse_repl(&mut self) -> Result<Id, CompileError> {
[INFO] [stdout]      |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/backend.rs:1808:9
[INFO] [stdout]      |
[INFO] [stdout] 1808 |         self.backend.module.define_data(data_id, &data_ctx);
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.99s
[INFO] running `Command { std: "docker" "inspect" "a096e7838f8808de69f62a0e5f3bddce0bb12d38aad72725a3dd345e0be1293d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a096e7838f8808de69f62a0e5f3bddce0bb12d38aad72725a3dd345e0be1293d", kill_on_drop: false }`
[INFO] [stdout] a096e7838f8808de69f62a0e5f3bddce0bb12d38aad72725a3dd345e0be1293d