[INFO] cloning repository https://github.com/DiscoBiscuit99/goyo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DiscoBiscuit99/goyo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDiscoBiscuit99%2Fgoyo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDiscoBiscuit99%2Fgoyo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 76443d0174ccd20ea34fa0d62e044b4e8d44bd70 [INFO] checking DiscoBiscuit99/goyo against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDiscoBiscuit99%2Fgoyo" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/DiscoBiscuit99/goyo on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/DiscoBiscuit99/goyo [INFO] finished tweaking git repo https://github.com/DiscoBiscuit99/goyo [INFO] tweaked toml for git repo https://github.com/DiscoBiscuit99/goyo written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/DiscoBiscuit99/goyo already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 224b83537e2511714ef233f7150a1363e000612af4c60125ecc5a07946aa2a63 [INFO] running `Command { std: "docker" "start" "-a" "224b83537e2511714ef233f7150a1363e000612af4c60125ecc5a07946aa2a63", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "224b83537e2511714ef233f7150a1363e000612af4c60125ecc5a07946aa2a63", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "224b83537e2511714ef233f7150a1363e000612af4c60125ecc5a07946aa2a63", kill_on_drop: false }` [INFO] [stdout] 224b83537e2511714ef233f7150a1363e000612af4c60125ecc5a07946aa2a63 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4d3a6ba4daa93c8cf9b49b5e1ab53b25b96fdb511b10a13c5b5b46b0966c3dd6 [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" "4d3a6ba4daa93c8cf9b49b5e1ab53b25b96fdb511b10a13c5b5b46b0966c3dd6", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Checking thread_local v1.1.0 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking goyo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/token.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `TokenType`, `Token` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | Token, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 4 | TokenType, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/token.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `TokenType`, `Token` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | Token, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 4 | TokenType, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/lexer.rs:155:13 [INFO] [stdout] | [INFO] [stdout] 154 | if let Some(token_type) = self.keywords.get(&identifier) { [INFO] [stdout] | ------------- immutable borrow occurs here [INFO] [stdout] 155 | self.add_token(*token_type, identifier); [INFO] [stdout] | ^^^^ ----------- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Pound` [INFO] [stdout] --> src/token.rs:8:17 [INFO] [stdout] | [INFO] [stdout] 8 | Plus, Star, Pound, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Equal` [INFO] [stdout] --> src/token.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | Equal, Bang, Colon, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Bang` [INFO] [stdout] --> src/token.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | Equal, Bang, Colon, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Colon` [INFO] [stdout] --> src/token.rs:9:18 [INFO] [stdout] | [INFO] [stdout] 9 | Equal, Bang, Colon, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Str` [INFO] [stdout] --> src/token.rs:13:17 [INFO] [stdout] | [INFO] [stdout] 13 | Identifier, Str, Number, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Return` [INFO] [stdout] --> src/token.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 19 | Print, Return, Slf, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/lexer.rs:155:13 [INFO] [stdout] | [INFO] [stdout] 154 | if let Some(token_type) = self.keywords.get(&identifier) { [INFO] [stdout] | ------------- immutable borrow occurs here [INFO] [stdout] 155 | self.add_token(*token_type, identifier); [INFO] [stdout] | ^^^^ ----------- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Pound` [INFO] [stdout] --> src/token.rs:8:17 [INFO] [stdout] | [INFO] [stdout] 8 | Plus, Star, Pound, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Equal` [INFO] [stdout] --> src/token.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | Equal, Bang, Colon, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Bang` [INFO] [stdout] --> src/token.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | Equal, Bang, Colon, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Colon` [INFO] [stdout] --> src/token.rs:9:18 [INFO] [stdout] | [INFO] [stdout] 9 | Equal, Bang, Colon, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Str` [INFO] [stdout] --> src/token.rs:13:17 [INFO] [stdout] | [INFO] [stdout] 13 | Identifier, Str, Number, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Return` [INFO] [stdout] --> src/token.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 19 | Print, Return, Slf, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.79s [INFO] running `Command { std: "docker" "inspect" "4d3a6ba4daa93c8cf9b49b5e1ab53b25b96fdb511b10a13c5b5b46b0966c3dd6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d3a6ba4daa93c8cf9b49b5e1ab53b25b96fdb511b10a13c5b5b46b0966c3dd6", kill_on_drop: false }` [INFO] [stdout] 4d3a6ba4daa93c8cf9b49b5e1ab53b25b96fdb511b10a13c5b5b46b0966c3dd6