[INFO] cloning repository https://github.com/mohanhasti/CS561-rust-test [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mohanhasti/CS561-rust-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmohanhasti%2FCS561-rust-test", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmohanhasti%2FCS561-rust-test'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 00d3a02b9a94906e865b54e3e8e62de7577854ed [INFO] checking mohanhasti/CS561-rust-test against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmohanhasti%2FCS561-rust-test" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mohanhasti/CS561-rust-test 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 git repo https://github.com/mohanhasti/CS561-rust-test [INFO] finished tweaking git repo https://github.com/mohanhasti/CS561-rust-test [INFO] tweaked toml for git repo https://github.com/mohanhasti/CS561-rust-test written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/mohanhasti/CS561-rust-test 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 serde_derive v1.0.132 [INFO] [stderr] Downloaded serde_json v1.0.73 [INFO] [stderr] Downloaded reqwest v0.11.8 [INFO] [stderr] Downloaded serde v1.0.132 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6613a1c77dd5e6c733120c74035289001c50c202210acb8b22c48646337f4341 [INFO] running `Command { std: "docker" "start" "-a" "6613a1c77dd5e6c733120c74035289001c50c202210acb8b22c48646337f4341", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6613a1c77dd5e6c733120c74035289001c50c202210acb8b22c48646337f4341", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6613a1c77dd5e6c733120c74035289001c50c202210acb8b22c48646337f4341", kill_on_drop: false }` [INFO] [stdout] 6613a1c77dd5e6c733120c74035289001c50c202210acb8b22c48646337f4341 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d7a49853e8bef7a872ce0d59e56116012ef3f924c9bf4ca9c7a1b8cc39925b0f [INFO] running `Command { std: "docker" "start" "-a" "d7a49853e8bef7a872ce0d59e56116012ef3f924c9bf4ca9c7a1b8cc39925b0f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling syn v1.0.84 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Checking smallvec v1.7.0 [INFO] [stderr] Compiling futures-core v0.3.19 [INFO] [stderr] Checking lock_api v0.4.5 [INFO] [stderr] Compiling futures-task v0.3.19 [INFO] [stderr] Compiling serde_derive v1.0.132 [INFO] [stderr] Compiling futures-util v0.3.19 [INFO] [stderr] Checking tracing-core v0.1.21 [INFO] [stderr] Checking futures-sink v0.3.19 [INFO] [stderr] Compiling openssl-sys v0.9.72 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling httparse v1.5.1 [INFO] [stderr] Compiling futures-channel v0.3.19 [INFO] [stderr] Compiling serde v1.0.132 [INFO] [stderr] Checking tracing v0.1.29 [INFO] [stderr] Checking openssl-probe v0.1.4 [INFO] [stderr] Checking parking_lot_core v0.8.5 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking socket2 v0.4.2 [INFO] [stderr] Compiling serde_json v1.0.73 [INFO] [stderr] Compiling openssl v0.10.38 [INFO] [stderr] Compiling native-tls v0.2.8 [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 v0.11.8 [INFO] [stderr] Checking weather v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.58s [INFO] running `Command { std: "docker" "inspect" "d7a49853e8bef7a872ce0d59e56116012ef3f924c9bf4ca9c7a1b8cc39925b0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d7a49853e8bef7a872ce0d59e56116012ef3f924c9bf4ca9c7a1b8cc39925b0f", kill_on_drop: false }` [INFO] [stdout] d7a49853e8bef7a872ce0d59e56116012ef3f924c9bf4ca9c7a1b8cc39925b0f [INFO] checking mohanhasti/CS561-rust-test against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmohanhasti%2FCS561-rust-test" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mohanhasti/CS561-rust-test 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 git repo https://github.com/mohanhasti/CS561-rust-test [INFO] finished tweaking git repo https://github.com/mohanhasti/CS561-rust-test [INFO] tweaked toml for git repo https://github.com/mohanhasti/CS561-rust-test written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/mohanhasti/CS561-rust-test 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 547759f6cdb40ba34026b4b2ca97c73d4501f1e73fe932750db0fb18085bc143 [INFO] running `Command { std: "docker" "start" "-a" "547759f6cdb40ba34026b4b2ca97c73d4501f1e73fe932750db0fb18085bc143", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "547759f6cdb40ba34026b4b2ca97c73d4501f1e73fe932750db0fb18085bc143", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "547759f6cdb40ba34026b4b2ca97c73d4501f1e73fe932750db0fb18085bc143", kill_on_drop: false }` [INFO] [stdout] 547759f6cdb40ba34026b4b2ca97c73d4501f1e73fe932750db0fb18085bc143 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 03006637f59d3531f8765a3dfdeb2f0eefd4b8036aae9bd06d9ce8ed9e10aeba [INFO] running `Command { std: "docker" "start" "-a" "03006637f59d3531f8765a3dfdeb2f0eefd4b8036aae9bd06d9ce8ed9e10aeba", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling syn v1.0.84 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Compiling futures-core v0.3.19 [INFO] [stderr] Checking smallvec v1.7.0 [INFO] [stderr] Checking lock_api v0.4.5 [INFO] [stderr] Compiling futures-task v0.3.19 [INFO] [stderr] Compiling serde_derive v1.0.132 [INFO] [stderr] Compiling futures-util v0.3.19 [INFO] [stderr] Checking tracing-core v0.1.21 [INFO] [stderr] Compiling serde v1.0.132 [INFO] [stderr] Checking futures-sink v0.3.19 [INFO] [stderr] Compiling futures-channel v0.3.19 [INFO] [stderr] Compiling httparse v1.5.1 [INFO] [stderr] Compiling openssl-sys v0.9.72 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Checking tracing v0.1.29 [INFO] [stderr] Checking openssl-probe v0.1.4 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Compiling serde_json v1.0.73 [INFO] [stderr] Compiling openssl v0.10.38 [INFO] [stderr] Compiling native-tls v0.2.8 [INFO] [stderr] Checking parking_lot_core v0.8.5 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking socket2 v0.4.2 [INFO] [stderr] Checking parking_lot v0.11.2 [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 v0.11.8 [INFO] [stderr] Checking weather v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.44s [INFO] running `Command { std: "docker" "inspect" "03006637f59d3531f8765a3dfdeb2f0eefd4b8036aae9bd06d9ce8ed9e10aeba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03006637f59d3531f8765a3dfdeb2f0eefd4b8036aae9bd06d9ce8ed9e10aeba", kill_on_drop: false }` [INFO] [stdout] 03006637f59d3531f8765a3dfdeb2f0eefd4b8036aae9bd06d9ce8ed9e10aeba