[INFO] cloning repository https://github.com/kati-e/my-rust-app [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kati-e/my-rust-app" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkati-e%2Fmy-rust-app", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkati-e%2Fmy-rust-app'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1ee84649e25f08816070772b18f984fe95790187 [INFO] checking kati-e/my-rust-app against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkati-e%2Fmy-rust-app" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kati-e/my-rust-app 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/kati-e/my-rust-app [INFO] finished tweaking git repo https://github.com/kati-e/my-rust-app [INFO] tweaked toml for git repo https://github.com/kati-e/my-rust-app written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/kati-e/my-rust-app 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 tempfile v3.7.0 [INFO] [stderr] Downloaded dotenv_codegen_implementation v0.15.0 [INFO] [stderr] Downloaded dotenv_codegen v0.15.0 [INFO] [stderr] Downloaded mio-named-pipes v0.1.7 [INFO] [stderr] Downloaded exitfailure v0.5.1 [INFO] [stderr] Downloaded anyhow v1.0.72 [INFO] [stderr] Downloaded openssl-sys v0.9.90 [INFO] [stderr] Downloaded url v2.4.0 [INFO] [stderr] Downloaded openssl v0.10.55 [INFO] [stderr] Downloaded syn v2.0.27 [INFO] [stderr] Downloaded serde_derive v1.0.176 [INFO] [stderr] Downloaded serde v1.0.176 [INFO] [stderr] Downloaded encoding_rs v0.8.32 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 36b4b6afeade7f5d59dd0163cc80cd3e2efdb210a8a6667d2ffc245b2c59a2f7 [INFO] running `Command { std: "docker" "start" "-a" "36b4b6afeade7f5d59dd0163cc80cd3e2efdb210a8a6667d2ffc245b2c59a2f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "36b4b6afeade7f5d59dd0163cc80cd3e2efdb210a8a6667d2ffc245b2c59a2f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "36b4b6afeade7f5d59dd0163cc80cd3e2efdb210a8a6667d2ffc245b2c59a2f7", kill_on_drop: false }` [INFO] [stdout] 36b4b6afeade7f5d59dd0163cc80cd3e2efdb210a8a6667d2ffc245b2c59a2f7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4330984137a1f027ca79ef146228cc625ff0ecb9bca70021567aa9ddbde310d6 [INFO] running `Command { std: "docker" "start" "-a" "4330984137a1f027ca79ef146228cc625ff0ecb9bca70021567aa9ddbde310d6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling cc v1.0.79 [INFO] [stderr] Checking log v0.4.19 [INFO] [stderr] Compiling syn v2.0.27 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Checking pin-project-lite v0.2.10 [INFO] [stderr] Checking pin-project-lite v0.1.12 [INFO] [stderr] Compiling openssl v0.10.55 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Checking bytes v1.4.0 [INFO] [stderr] Compiling serde v1.0.176 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Compiling proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Checking gimli v0.27.3 [INFO] [stderr] Checking tracing v0.1.37 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking object v0.31.1 [INFO] [stderr] Checking httpdate v0.3.2 [INFO] [stderr] Compiling serde_json v1.0.104 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Compiling mime_guess v2.0.4 [INFO] [stderr] Compiling anyhow v1.0.72 [INFO] [stderr] Checking http v0.2.9 [INFO] [stderr] Compiling dotenv v0.15.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking url v2.4.0 [INFO] [stderr] Checking encoding_rs v0.8.32 [INFO] [stderr] Checking ipnet v2.8.0 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking socket2 v0.3.19 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling serde_derive v1.0.176 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Compiling openssl-sys v0.9.90 [INFO] [stderr] Compiling backtrace v0.3.68 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Compiling native-tls v0.2.11 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking addr2line v0.20.0 [INFO] [stderr] Compiling pin-project-internal v1.1.2 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Compiling dotenv_codegen_implementation v0.15.0 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking pin-project v1.1.2 [INFO] [stderr] Checking tracing-futures v0.2.5 [INFO] [stderr] Checking dotenv_codegen v0.15.0 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking exitfailure v0.5.1 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking tokio-tls v0.3.1 [INFO] [stderr] Checking h2 v0.2.7 [INFO] [stderr] Checking hyper v0.13.10 [INFO] [stderr] Checking hyper-tls v0.4.3 [INFO] [stderr] Checking reqwest v0.10.10 [INFO] [stderr] Checking hello-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.02s [INFO] running `Command { std: "docker" "inspect" "4330984137a1f027ca79ef146228cc625ff0ecb9bca70021567aa9ddbde310d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4330984137a1f027ca79ef146228cc625ff0ecb9bca70021567aa9ddbde310d6", kill_on_drop: false }` [INFO] [stdout] 4330984137a1f027ca79ef146228cc625ff0ecb9bca70021567aa9ddbde310d6 [INFO] checking kati-e/my-rust-app against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkati-e%2Fmy-rust-app" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kati-e/my-rust-app 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/kati-e/my-rust-app [INFO] finished tweaking git repo https://github.com/kati-e/my-rust-app [INFO] tweaked toml for git repo https://github.com/kati-e/my-rust-app written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/kati-e/my-rust-app 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8596ed785eb0bf80c844d0fba02df2c8b735533e4e3b86072c4be5a1c0ae1892 [INFO] running `Command { std: "docker" "start" "-a" "8596ed785eb0bf80c844d0fba02df2c8b735533e4e3b86072c4be5a1c0ae1892", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8596ed785eb0bf80c844d0fba02df2c8b735533e4e3b86072c4be5a1c0ae1892", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8596ed785eb0bf80c844d0fba02df2c8b735533e4e3b86072c4be5a1c0ae1892", kill_on_drop: false }` [INFO] [stdout] 8596ed785eb0bf80c844d0fba02df2c8b735533e4e3b86072c4be5a1c0ae1892 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 331ce9eae5240880d76aa8dada6ab5e84f27ff43d51bcd654043f3e60341ca1a [INFO] running `Command { std: "docker" "start" "-a" "331ce9eae5240880d76aa8dada6ab5e84f27ff43d51bcd654043f3e60341ca1a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling cc v1.0.79 [INFO] [stderr] Checking log v0.4.19 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Checking pin-project-lite v0.2.10 [INFO] [stderr] Checking pin-project-lite v0.1.12 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Compiling syn v2.0.27 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Checking bytes v1.4.0 [INFO] [stderr] Compiling openssl v0.10.55 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Compiling serde v1.0.176 [INFO] [stderr] Checking gimli v0.27.3 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Checking tracing v0.1.37 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking object v0.31.1 [INFO] [stderr] Compiling serde_json v1.0.104 [INFO] [stderr] Checking http v0.2.9 [INFO] [stderr] Checking httpdate v0.3.2 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling anyhow v1.0.72 [INFO] [stderr] Compiling mime_guess v2.0.4 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Compiling dotenv v0.15.0 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking url v2.4.0 [INFO] [stderr] Checking encoding_rs v0.8.32 [INFO] [stderr] Checking ipnet v2.8.0 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking socket2 v0.3.19 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling serde_derive v1.0.176 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Compiling openssl-sys v0.9.90 [INFO] [stderr] Compiling backtrace v0.3.68 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Compiling native-tls v0.2.11 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking addr2line v0.20.0 [INFO] [stderr] Compiling pin-project-internal v1.1.2 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Compiling dotenv_codegen_implementation v0.15.0 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking pin-project v1.1.2 [INFO] [stderr] Checking tracing-futures v0.2.5 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Checking dotenv_codegen v0.15.0 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking exitfailure v0.5.1 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking tokio-tls v0.3.1 [INFO] [stderr] Checking h2 v0.2.7 [INFO] [stderr] Checking hyper v0.13.10 [INFO] [stderr] Checking hyper-tls v0.4.3 [INFO] [stderr] Checking reqwest v0.10.10 [INFO] [stderr] Checking hello-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.21s [INFO] running `Command { std: "docker" "inspect" "331ce9eae5240880d76aa8dada6ab5e84f27ff43d51bcd654043f3e60341ca1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "331ce9eae5240880d76aa8dada6ab5e84f27ff43d51bcd654043f3e60341ca1a", kill_on_drop: false }` [INFO] [stdout] 331ce9eae5240880d76aa8dada6ab5e84f27ff43d51bcd654043f3e60341ca1a