[INFO] fetching crate combine_rust 0.1.4... [INFO] checking combine_rust-0.1.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate combine_rust 0.1.4 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate combine_rust 0.1.4 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 combine_rust 0.1.4 [INFO] finished tweaking crates.io crate combine_rust 0.1.4 [INFO] tweaked toml for crates.io crate combine_rust 0.1.4 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate crates.io crate combine_rust 0.1.4 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] Downloading crates ... [INFO] [stderr] Downloaded proc-macro2 v1.0.34 [INFO] [stderr] Downloaded serde_derive v1.0.132 [INFO] [stderr] Downloaded http-body v0.4.4 [INFO] [stderr] Downloaded ppv-lite86 v0.2.15 [INFO] [stderr] Downloaded serde_urlencoded v0.7.0 [INFO] [stderr] Downloaded pkg-config v0.3.24 [INFO] [stderr] Downloaded tokio-util v0.6.9 [INFO] [stderr] Downloaded reqwest v0.11.7 [INFO] [stderr] Downloaded hyper v0.14.16 [INFO] [stderr] Downloaded openssl v0.10.38 [INFO] [stderr] Downloaded web-sys v0.3.55 [INFO] [stderr] Downloaded tokio v1.15.0 [INFO] [stderr] Downloaded wasm-bindgen v0.2.78 [INFO] [stderr] Downloaded syn v1.0.82 [INFO] [stderr] Downloaded encoding_rs v0.8.30 [INFO] [stderr] Downloaded h2 v0.3.9 [INFO] [stderr] Downloaded ipnet v2.3.1 [INFO] [stderr] Downloaded once_cell v1.9.0 [INFO] [stderr] Downloaded cc v1.0.72 [INFO] [stderr] Downloaded openssl-sys v0.9.72 [INFO] [stderr] Downloaded tinyvec v1.5.1 [INFO] [stderr] Downloaded js-sys v0.3.55 [INFO] [stderr] Downloaded bumpalo v3.8.0 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.78 [INFO] [stderr] Downloaded serde_json v1.0.73 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.78 [INFO] [stderr] Downloaded serde v1.0.132 [INFO] [stderr] Downloaded wasm-bindgen-futures v0.4.28 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.78 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.78 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ed6eb1a5256b813fa4077ed8ca22c4119aa058f49e9ca65dc089529f83d1a63d [INFO] running `Command { std: "docker" "start" "-a" "ed6eb1a5256b813fa4077ed8ca22c4119aa058f49e9ca65dc089529f83d1a63d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ed6eb1a5256b813fa4077ed8ca22c4119aa058f49e9ca65dc089529f83d1a63d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed6eb1a5256b813fa4077ed8ca22c4119aa058f49e9ca65dc089529f83d1a63d", kill_on_drop: false }` [INFO] [stdout] ed6eb1a5256b813fa4077ed8ca22c4119aa058f49e9ca65dc089529f83d1a63d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7db033cf912ab95b5fc5fe8eeafa1f86621a0c2ba1ebfb3c35d2496796bef8fe [INFO] running `Command { std: "docker" "start" "-a" "7db033cf912ab95b5fc5fe8eeafa1f86621a0c2ba1ebfb3c35d2496796bef8fe", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.34 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Compiling pkg-config v0.3.24 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling futures-core v0.3.17 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Compiling futures-task v0.3.17 [INFO] [stderr] Compiling futures-util v0.3.17 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling serde_derive v1.0.132 [INFO] [stderr] Compiling openssl v0.10.38 [INFO] [stderr] Checking tracing-core v0.1.21 [INFO] [stderr] Compiling native-tls v0.2.8 [INFO] [stderr] Checking http v0.2.5 [INFO] [stderr] Compiling futures-channel v0.3.17 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Checking futures-sink v0.3.17 [INFO] [stderr] Compiling httparse v1.5.1 [INFO] [stderr] Compiling serde v1.0.132 [INFO] [stderr] Checking tracing v0.1.29 [INFO] [stderr] Checking tinyvec v1.5.1 [INFO] [stderr] Checking slab v0.4.5 [INFO] [stderr] Checking openssl-probe v0.1.4 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Compiling encoding_rs v0.8.30 [INFO] [stderr] Checking tower-service v0.3.1 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Compiling serde_json v1.0.73 [INFO] [stderr] Checking unicode-bidi v0.3.7 [INFO] [stderr] Checking ipnet v2.3.1 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling openssl-sys v0.9.72 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking socket2 v0.4.2 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking http-body v0.4.4 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Checking tokio v1.15.0 [INFO] [stderr] Checking tokio-util v0.6.9 [INFO] [stderr] Checking tokio-native-tls v0.3.0 [INFO] [stderr] Checking h2 v0.3.9 [INFO] [stderr] Checking serde_urlencoded v0.7.0 [INFO] [stderr] Checking hyper v0.14.16 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking reqwest v0.11.7 [INFO] [stderr] Checking combine_rust v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/combine.rs:89:9 [INFO] [stdout] | [INFO] [stdout] 89 | Err(error) => return Err("Cant fetch") [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/combine.rs:93:9 [INFO] [stdout] | [INFO] [stdout] 93 | Err(error) => Err("Cant parse.") [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/combine.rs:89:9 [INFO] [stdout] | [INFO] [stdout] 89 | Err(error) => return Err("Cant fetch") [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/combine.rs:93:9 [INFO] [stdout] | [INFO] [stdout] 93 | Err(error) => Err("Cant parse.") [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.22s [INFO] running `Command { std: "docker" "inspect" "7db033cf912ab95b5fc5fe8eeafa1f86621a0c2ba1ebfb3c35d2496796bef8fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7db033cf912ab95b5fc5fe8eeafa1f86621a0c2ba1ebfb3c35d2496796bef8fe", kill_on_drop: false }` [INFO] [stdout] 7db033cf912ab95b5fc5fe8eeafa1f86621a0c2ba1ebfb3c35d2496796bef8fe [INFO] checking combine_rust-0.1.4 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate combine_rust 0.1.4 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate combine_rust 0.1.4 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 combine_rust 0.1.4 [INFO] finished tweaking crates.io crate combine_rust 0.1.4 [INFO] tweaked toml for crates.io crate combine_rust 0.1.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate crates.io crate combine_rust 0.1.4 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e5263c9bf07d54f0dd6ee6f78541071363fc72f70e47aae1f849aaafddeedd80 [INFO] running `Command { std: "docker" "start" "-a" "e5263c9bf07d54f0dd6ee6f78541071363fc72f70e47aae1f849aaafddeedd80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e5263c9bf07d54f0dd6ee6f78541071363fc72f70e47aae1f849aaafddeedd80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5263c9bf07d54f0dd6ee6f78541071363fc72f70e47aae1f849aaafddeedd80", kill_on_drop: false }` [INFO] [stdout] e5263c9bf07d54f0dd6ee6f78541071363fc72f70e47aae1f849aaafddeedd80 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 6455a9d82cabda8f272f78af88fead4523d0600517ebe6b7c4c63b3b1f2d18c7 [INFO] running `Command { std: "docker" "start" "-a" "6455a9d82cabda8f272f78af88fead4523d0600517ebe6b7c4c63b3b1f2d18c7", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.34 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling pkg-config v0.3.24 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling futures-core v0.3.17 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Compiling futures-task v0.3.17 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling futures-util v0.3.17 [INFO] [stderr] Compiling openssl v0.10.38 [INFO] [stderr] Compiling serde_derive v1.0.132 [INFO] [stderr] Checking tracing-core v0.1.21 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking http v0.2.5 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Compiling httparse v1.5.1 [INFO] [stderr] Compiling futures-channel v0.3.17 [INFO] [stderr] Compiling native-tls v0.2.8 [INFO] [stderr] Compiling serde v1.0.132 [INFO] [stderr] Checking futures-sink v0.3.17 [INFO] [stderr] Checking tinyvec v1.5.1 [INFO] [stderr] Checking tracing v0.1.29 [INFO] [stderr] Checking openssl-probe v0.1.4 [INFO] [stderr] Checking slab v0.4.5 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking tower-service v0.3.1 [INFO] [stderr] Compiling encoding_rs v0.8.30 [INFO] [stderr] Checking unicode-bidi v0.3.7 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Compiling serde_json v1.0.73 [INFO] [stderr] Checking ipnet v2.3.1 [INFO] [stderr] Compiling openssl-sys v0.9.72 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking socket2 v0.4.2 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Checking http-body v0.4.4 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Checking tokio v1.15.0 [INFO] [stderr] Checking tokio-util v0.6.9 [INFO] [stderr] Checking tokio-native-tls v0.3.0 [INFO] [stderr] Checking h2 v0.3.9 [INFO] [stderr] Checking serde_urlencoded v0.7.0 [INFO] [stderr] Checking hyper v0.14.16 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking reqwest v0.11.7 [INFO] [stderr] Checking combine_rust v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/combine.rs:89:9 [INFO] [stdout] | [INFO] [stdout] 89 | Err(error) => return Err("Cant fetch") [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/combine.rs:93:9 [INFO] [stdout] | [INFO] [stdout] 93 | Err(error) => Err("Cant parse.") [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/combine.rs:89:9 [INFO] [stdout] | [INFO] [stdout] 89 | Err(error) => return Err("Cant fetch") [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/combine.rs:93:9 [INFO] [stdout] | [INFO] [stdout] 93 | Err(error) => Err("Cant parse.") [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.56s [INFO] running `Command { std: "docker" "inspect" "6455a9d82cabda8f272f78af88fead4523d0600517ebe6b7c4c63b3b1f2d18c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6455a9d82cabda8f272f78af88fead4523d0600517ebe6b7c4c63b3b1f2d18c7", kill_on_drop: false }` [INFO] [stdout] 6455a9d82cabda8f272f78af88fead4523d0600517ebe6b7c4c63b3b1f2d18c7