[INFO] cloning repository https://github.com/Swaagie/slang [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Swaagie/slang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwaagie%2Fslang", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwaagie%2Fslang'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f43b0557cf2ca6029208918cd822345fde771a85 [INFO] checking Swaagie/slang against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwaagie%2Fslang" "/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/Swaagie/slang 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/Swaagie/slang [INFO] finished tweaking git repo https://github.com/Swaagie/slang [INFO] tweaked toml for git repo https://github.com/Swaagie/slang written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Swaagie/slang 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 config v0.11.0 [INFO] [stderr] Downloaded serde-hjson v0.9.1 [INFO] [stderr] Downloaded proc-macro2 v1.0.35 [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] 3d67d8dd60e50584fafca775fac595b6c4268e4f9901fc251129c9eeb4a4c20f [INFO] running `Command { std: "docker" "start" "-a" "3d67d8dd60e50584fafca775fac595b6c4268e4f9901fc251129c9eeb4a4c20f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3d67d8dd60e50584fafca775fac595b6c4268e4f9901fc251129c9eeb4a4c20f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d67d8dd60e50584fafca775fac595b6c4268e4f9901fc251129c9eeb4a4c20f", kill_on_drop: false }` [INFO] [stdout] 3d67d8dd60e50584fafca775fac595b6c4268e4f9901fc251129c9eeb4a4c20f [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] 85cdff7b5e882c22c3cb1c11ff5a7be4ff7a6ee931052a7fb12f4146a86f7626 [INFO] running `Command { std: "docker" "start" "-a" "85cdff7b5e882c22c3cb1c11ff5a7be4ff7a6ee931052a7fb12f4146a86f7626", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.35 [INFO] [stderr] Compiling syn v1.0.84 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling futures-core v0.3.19 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling pkg-config v0.3.24 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Compiling futures-channel v0.3.19 [INFO] [stderr] Checking smallvec v1.7.0 [INFO] [stderr] Compiling futures-task v0.3.19 [INFO] [stderr] Checking futures-sink v0.3.19 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking lock_api v0.4.5 [INFO] [stderr] Compiling futures-util v0.3.19 [INFO] [stderr] Compiling serde_derive v1.0.132 [INFO] [stderr] Checking slab v0.4.5 [INFO] [stderr] Checking futures-io v0.3.19 [INFO] [stderr] Compiling serde v1.0.132 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling openssl v0.10.38 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking http v0.2.5 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking tracing-core v0.1.21 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling native-tls v0.2.8 [INFO] [stderr] Checking tinyvec v1.5.1 [INFO] [stderr] Compiling lexical-core v0.7.6 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Compiling serde_json v1.0.73 [INFO] [stderr] Checking openssl-probe v0.1.4 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling encoding_rs v0.8.30 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking unicode-bidi v0.3.7 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking httpdate v1.0.2 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking tracing v0.1.29 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking serde v0.8.23 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking rust-ini v0.13.0 [INFO] [stderr] Checking home v0.5.3 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Compiling openssl-sys v0.9.72 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking socket2 v0.4.2 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking console v0.15.0 [INFO] [stderr] Checking serde-hjson v0.9.1 [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] Compiling futures-macro v0.3.19 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking tokio v1.15.0 [INFO] [stderr] Checking structopt v0.3.25 [INFO] [stderr] Checking clap-verbosity-flag v0.3.2 [INFO] [stderr] Checking futures-executor v0.3.19 [INFO] [stderr] Checking futures v0.3.19 [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 toml v0.5.8 [INFO] [stderr] Checking serde_urlencoded v0.7.0 [INFO] [stderr] Checking config v0.11.0 [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 slang-cli v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.01s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "85cdff7b5e882c22c3cb1c11ff5a7be4ff7a6ee931052a7fb12f4146a86f7626", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85cdff7b5e882c22c3cb1c11ff5a7be4ff7a6ee931052a7fb12f4146a86f7626", kill_on_drop: false }` [INFO] [stdout] 85cdff7b5e882c22c3cb1c11ff5a7be4ff7a6ee931052a7fb12f4146a86f7626 [INFO] checking Swaagie/slang against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwaagie%2Fslang" "/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/Swaagie/slang 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/Swaagie/slang [INFO] finished tweaking git repo https://github.com/Swaagie/slang [INFO] tweaked toml for git repo https://github.com/Swaagie/slang written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Swaagie/slang 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-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] 51638690d121680cb28d8a9fdb08d0c22d102ebe02f8b8f9c2393df781bec296 [INFO] running `Command { std: "docker" "start" "-a" "51638690d121680cb28d8a9fdb08d0c22d102ebe02f8b8f9c2393df781bec296", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "51638690d121680cb28d8a9fdb08d0c22d102ebe02f8b8f9c2393df781bec296", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51638690d121680cb28d8a9fdb08d0c22d102ebe02f8b8f9c2393df781bec296", kill_on_drop: false }` [INFO] [stdout] 51638690d121680cb28d8a9fdb08d0c22d102ebe02f8b8f9c2393df781bec296 [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] 6f7a650bbf57e8d8da60f1e2a345d652bd039c5fa91115c246da2309d6134fee [INFO] running `Command { std: "docker" "start" "-a" "6f7a650bbf57e8d8da60f1e2a345d652bd039c5fa91115c246da2309d6134fee", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.35 [INFO] [stderr] Compiling syn v1.0.84 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling futures-core v0.3.19 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Compiling pkg-config v0.3.24 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Compiling futures-task v0.3.19 [INFO] [stderr] Checking smallvec v1.7.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling futures-channel v0.3.19 [INFO] [stderr] Checking futures-sink v0.3.19 [INFO] [stderr] Compiling futures-util v0.3.19 [INFO] [stderr] Compiling serde_derive v1.0.132 [INFO] [stderr] Checking lock_api v0.4.5 [INFO] [stderr] Compiling serde v1.0.132 [INFO] [stderr] Checking futures-io v0.3.19 [INFO] [stderr] Checking slab v0.4.5 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling openssl v0.10.38 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Checking http v0.2.5 [INFO] [stderr] Checking tracing-core v0.1.21 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Compiling native-tls v0.2.8 [INFO] [stderr] Checking tinyvec v1.5.1 [INFO] [stderr] Compiling serde_json v1.0.73 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Checking openssl-probe v0.1.4 [INFO] [stderr] Compiling lexical-core v0.7.6 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Checking tracing v0.1.29 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking httpdate v1.0.2 [INFO] [stderr] Compiling encoding_rs v0.8.30 [INFO] [stderr] Checking unicode-bidi v0.3.7 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking serde v0.8.23 [INFO] [stderr] Checking rust-ini v0.13.0 [INFO] [stderr] Checking home v0.5.3 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Compiling openssl-sys v0.9.72 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking socket2 v0.4.2 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking http-body v0.4.4 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking serde-hjson v0.9.1 [INFO] [stderr] Checking console v0.15.0 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling futures-macro v0.3.19 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking tokio v1.15.0 [INFO] [stderr] Checking structopt v0.3.25 [INFO] [stderr] Checking clap-verbosity-flag v0.3.2 [INFO] [stderr] Checking futures-executor v0.3.19 [INFO] [stderr] Checking futures v0.3.19 [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 toml v0.5.8 [INFO] [stderr] Checking config v0.11.0 [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 slang-cli v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.11s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "6f7a650bbf57e8d8da60f1e2a345d652bd039c5fa91115c246da2309d6134fee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f7a650bbf57e8d8da60f1e2a345d652bd039c5fa91115c246da2309d6134fee", kill_on_drop: false }` [INFO] [stdout] 6f7a650bbf57e8d8da60f1e2a345d652bd039c5fa91115c246da2309d6134fee