[INFO] fetching crate jarvis 0.3.0... [INFO] checking jarvis-0.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate jarvis 0.3.0 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate jarvis 0.3.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate jarvis 0.3.0 [INFO] finished tweaking crates.io crate jarvis 0.3.0 [INFO] tweaked toml for crates.io crate jarvis 0.3.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate crates.io crate jarvis 0.3.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde-hjson v0.8.2 [INFO] [stderr] Downloaded config v0.9.3 [INFO] [stderr] Downloaded serde_test v0.8.23 [INFO] [stderr] Downloaded linked-hash-map v0.3.0 [INFO] [stderr] Downloaded rust-ini v0.13.0 [INFO] [stderr] Downloaded serde v0.8.23 [INFO] [stderr] Downloaded yaml-rust v0.4.4 [INFO] [stderr] Downloaded aho-corasick v0.7.13 [INFO] [stderr] Downloaded serde_json v1.0.56 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 828b79e1b9b959318136e87a08a89a118e9a177de0322de55966afbbdd196980 [INFO] running `Command { std: "docker" "start" "-a" "828b79e1b9b959318136e87a08a89a118e9a177de0322de55966afbbdd196980", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "828b79e1b9b959318136e87a08a89a118e9a177de0322de55966afbbdd196980", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "828b79e1b9b959318136e87a08a89a118e9a177de0322de55966afbbdd196980", kill_on_drop: false }` [INFO] [stdout] 828b79e1b9b959318136e87a08a89a118e9a177de0322de55966afbbdd196980 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 70be69b773787ef8274f950cb952d649d72e5010309f38bb0cae3ae95968fcd4 [INFO] running `Command { std: "docker" "start" "-a" "70be69b773787ef8274f950cb952d649d72e5010309f38bb0cae3ae95968fcd4", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking serde v0.8.23 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling serde_json v1.0.56 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking linked-hash-map v0.5.3 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking rust-ini v0.13.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Checking yaml-rust v0.4.4 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking serde_test v0.8.23 [INFO] [stderr] Checking linked-hash-map v0.3.0 [INFO] [stderr] Checking serde-hjson v0.8.2 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking config v0.9.3 [INFO] [stderr] Checking jarvis v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `config` is imported redundantly [INFO] [stdout] --> src/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use config; [INFO] [stdout] | ^^^^^^ the item `config` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `config` is imported redundantly [INFO] [stdout] --> src/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use config; [INFO] [stdout] | ^^^^^^ the item `config` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:33:21 [INFO] [stdout] | [INFO] [stdout] 33 | args: self.args.clone() [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[String]` does not implement `Clone`, so calling `clone` on `&[String]` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Command` is imported redundantly [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | use jarvis::*; [INFO] [stdout] | --------- the item `Command` is already imported here [INFO] [stdout] 7 | use jarvis::Command; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:33:21 [INFO] [stdout] | [INFO] [stdout] 33 | args: self.args.clone() [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[String]` does not implement `Clone`, so calling `clone` on `&[String]` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Command` is imported redundantly [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | use jarvis::*; [INFO] [stdout] | --------- the item `Command` is already imported here [INFO] [stdout] 7 | use jarvis::Command; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.02s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "70be69b773787ef8274f950cb952d649d72e5010309f38bb0cae3ae95968fcd4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70be69b773787ef8274f950cb952d649d72e5010309f38bb0cae3ae95968fcd4", kill_on_drop: false }` [INFO] [stdout] 70be69b773787ef8274f950cb952d649d72e5010309f38bb0cae3ae95968fcd4 [INFO] checking jarvis-0.3.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate jarvis 0.3.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate jarvis 0.3.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate jarvis 0.3.0 [INFO] finished tweaking crates.io crate jarvis 0.3.0 [INFO] tweaked toml for crates.io crate jarvis 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate jarvis 0.3.0 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c4f60d8635f4925a74ef980a98d97bfe668d754ed61e0a61cc31b8b1ec7a3c95 [INFO] running `Command { std: "docker" "start" "-a" "c4f60d8635f4925a74ef980a98d97bfe668d754ed61e0a61cc31b8b1ec7a3c95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c4f60d8635f4925a74ef980a98d97bfe668d754ed61e0a61cc31b8b1ec7a3c95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4f60d8635f4925a74ef980a98d97bfe668d754ed61e0a61cc31b8b1ec7a3c95", kill_on_drop: false }` [INFO] [stdout] c4f60d8635f4925a74ef980a98d97bfe668d754ed61e0a61cc31b8b1ec7a3c95 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6ab67b1804ce44c18c033f2b5866ef7044ae0d7199110159126266e5bdf3600d [INFO] running `Command { std: "docker" "start" "-a" "6ab67b1804ce44c18c033f2b5866ef7044ae0d7199110159126266e5bdf3600d", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking serde v0.8.23 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling serde_json v1.0.56 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking linked-hash-map v0.5.3 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking rust-ini v0.13.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Checking yaml-rust v0.4.4 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking serde_test v0.8.23 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking linked-hash-map v0.3.0 [INFO] [stderr] Checking serde-hjson v0.8.2 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking config v0.9.3 [INFO] [stderr] Checking jarvis v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `config` is imported redundantly [INFO] [stdout] --> src/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use config; [INFO] [stdout] | ^^^^^^ the item `config` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `config` is imported redundantly [INFO] [stdout] --> src/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use config; [INFO] [stdout] | ^^^^^^ the item `config` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:33:21 [INFO] [stdout] | [INFO] [stdout] 33 | args: self.args.clone() [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[String]` does not implement `Clone`, so calling `clone` on `&[String]` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:33:21 [INFO] [stdout] | [INFO] [stdout] 33 | args: self.args.clone() [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[String]` does not implement `Clone`, so calling `clone` on `&[String]` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Command` is imported redundantly [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | use jarvis::*; [INFO] [stdout] | --------- the item `Command` is already imported here [INFO] [stdout] 7 | use jarvis::Command; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Command` is imported redundantly [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | use jarvis::*; [INFO] [stdout] | --------- the item `Command` is already imported here [INFO] [stdout] 7 | use jarvis::Command; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.34s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "6ab67b1804ce44c18c033f2b5866ef7044ae0d7199110159126266e5bdf3600d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ab67b1804ce44c18c033f2b5866ef7044ae0d7199110159126266e5bdf3600d", kill_on_drop: false }` [INFO] [stdout] 6ab67b1804ce44c18c033f2b5866ef7044ae0d7199110159126266e5bdf3600d