[INFO] fetching crate pit-rust-guest 0.4.0... [INFO] checking pit-rust-guest-0.4.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate pit-rust-guest 0.4.0 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate pit-rust-guest 0.4.0 [INFO] finished tweaking crates.io crate pit-rust-guest 0.4.0 [INFO] tweaked toml for crates.io crate pit-rust-guest 0.4.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate pit-rust-guest 0.4.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate pit-rust-guest 0.4.0 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c37de2354478a9553920854330273de1b75b9e758c1f418981bdc26fe465132a [INFO] running `Command { std: "docker" "start" "-a" "c37de2354478a9553920854330273de1b75b9e758c1f418981bdc26fe465132a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c37de2354478a9553920854330273de1b75b9e758c1f418981bdc26fe465132a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c37de2354478a9553920854330273de1b75b9e758c1f418981bdc26fe465132a", kill_on_drop: false }` [INFO] [stdout] c37de2354478a9553920854330273de1b75b9e758c1f418981bdc26fe465132a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8a3b65c884297ab23b7d7f3de708aafc294b992aaab6e57ded01e77a53446ba1 [INFO] running `Command { std: "docker" "start" "-a" "8a3b65c884297ab23b7d7f3de708aafc294b992aaab6e57ded01e77a53446ba1", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Compiling typenum v1.17.0 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling either v1.13.0 [INFO] [stderr] Compiling unicode-xid v0.2.6 [INFO] [stderr] Checking keccak v0.1.5 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking hex v0.4.3 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Checking nom v8.0.0 [INFO] [stderr] Checking quote v1.0.37 [INFO] [stderr] Checking syn v2.0.100 [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Compiling quasiquote-proc-macro v0.1.0 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking sha3 v0.10.8 [INFO] [stderr] Checking quasiquote v0.1.1 [INFO] [stderr] Compiling derive_more-impl v2.0.1 [INFO] [stderr] Checking derive_more v2.0.1 [INFO] [stderr] Checking pit-core v0.4.2 [INFO] [stderr] Checking pit-rust-guest v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `ty` [INFO] [stdout] --> src/lib.rs:74:48 [INFO] [stdout] | [INFO] [stdout] 74 | if let Arg::Resource { ty, nullable, take, ann } = b{ [INFO] [stdout] | ^^ help: try ignoring the field: `ty: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `nullable` [INFO] [stdout] --> src/lib.rs:74:52 [INFO] [stdout] | [INFO] [stdout] 74 | if let Arg::Resource { ty, nullable, take, ann } = b{ [INFO] [stdout] | ^^^^^^^^ help: try ignoring the field: `nullable: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ann` [INFO] [stdout] --> src/lib.rs:74:68 [INFO] [stdout] | [INFO] [stdout] 74 | if let Arg::Resource { ty, nullable, take, ann } = b{ [INFO] [stdout] | ^^^ help: try ignoring the field: `ann: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ty` [INFO] [stdout] --> src/lib.rs:102:44 [INFO] [stdout] | [INFO] [stdout] 102 | if let Arg::Resource { ty, nullable, take, ann } = b{ [INFO] [stdout] | ^^ help: try ignoring the field: `ty: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `nullable` [INFO] [stdout] --> src/lib.rs:102:48 [INFO] [stdout] | [INFO] [stdout] 102 | if let Arg::Resource { ty, nullable, take, ann } = b{ [INFO] [stdout] | ^^^^^^^^ help: try ignoring the field: `nullable: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ann` [INFO] [stdout] --> src/lib.rs:102:64 [INFO] [stdout] | [INFO] [stdout] 102 | if let Arg::Resource { ty, nullable, take, ann } = b{ [INFO] [stdout] | ^^^ help: try ignoring the field: `ann: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:70:29 [INFO] [stdout] | [INFO] [stdout] 70 | let mut c = format_ident!("p{a}"); [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] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:98:25 [INFO] [stdout] | [INFO] [stdout] 98 | let mut c = format_ident!("p{a}"); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ann` [INFO] [stdout] --> src/lib.rs:231:13 [INFO] [stdout] | [INFO] [stdout] 231 | ann, [INFO] [stdout] | ^^^ help: try ignoring the field: `ann: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | write!(ha, "~{}", id); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 18 | let _ = write!(ha, "~{}", id); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | ha.write(&opts.salt); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 19 | let _ = ha.write(&opts.salt); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ty` [INFO] [stdout] --> src/lib.rs:74:48 [INFO] [stdout] | [INFO] [stdout] 74 | if let Arg::Resource { ty, nullable, take, ann } = b{ [INFO] [stdout] | ^^ help: try ignoring the field: `ty: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `nullable` [INFO] [stdout] --> src/lib.rs:74:52 [INFO] [stdout] | [INFO] [stdout] 74 | if let Arg::Resource { ty, nullable, take, ann } = b{ [INFO] [stdout] | ^^^^^^^^ help: try ignoring the field: `nullable: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ann` [INFO] [stdout] --> src/lib.rs:74:68 [INFO] [stdout] | [INFO] [stdout] 74 | if let Arg::Resource { ty, nullable, take, ann } = b{ [INFO] [stdout] | ^^^ help: try ignoring the field: `ann: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ty` [INFO] [stdout] --> src/lib.rs:102:44 [INFO] [stdout] | [INFO] [stdout] 102 | if let Arg::Resource { ty, nullable, take, ann } = b{ [INFO] [stdout] | ^^ help: try ignoring the field: `ty: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `nullable` [INFO] [stdout] --> src/lib.rs:102:48 [INFO] [stdout] | [INFO] [stdout] 102 | if let Arg::Resource { ty, nullable, take, ann } = b{ [INFO] [stdout] | ^^^^^^^^ help: try ignoring the field: `nullable: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ann` [INFO] [stdout] --> src/lib.rs:102:64 [INFO] [stdout] | [INFO] [stdout] 102 | if let Arg::Resource { ty, nullable, take, ann } = b{ [INFO] [stdout] | ^^^ help: try ignoring the field: `ann: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:70:29 [INFO] [stdout] | [INFO] [stdout] 70 | let mut c = format_ident!("p{a}"); [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] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:98:25 [INFO] [stdout] | [INFO] [stdout] 98 | let mut c = format_ident!("p{a}"); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ann` [INFO] [stdout] --> src/lib.rs:231:13 [INFO] [stdout] | [INFO] [stdout] 231 | ann, [INFO] [stdout] | ^^^ help: try ignoring the field: `ann: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | write!(ha, "~{}", id); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 18 | let _ = write!(ha, "~{}", id); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | ha.write(&opts.salt); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 19 | let _ = ha.write(&opts.salt); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.03s [INFO] running `Command { std: "docker" "inspect" "8a3b65c884297ab23b7d7f3de708aafc294b992aaab6e57ded01e77a53446ba1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a3b65c884297ab23b7d7f3de708aafc294b992aaab6e57ded01e77a53446ba1", kill_on_drop: false }` [INFO] [stdout] 8a3b65c884297ab23b7d7f3de708aafc294b992aaab6e57ded01e77a53446ba1