[INFO] cloning repository https://github.com/yfaming/yimu-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yfaming/yimu-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyfaming%2Fyimu-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyfaming%2Fyimu-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ecdef5544a39cf0c5efbe41e816e177711b269b5 [INFO] checking yfaming/yimu-rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyfaming%2Fyimu-rs" "/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/yfaming/yimu-rs 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/yfaming/yimu-rs [INFO] finished tweaking git repo https://github.com/yfaming/yimu-rs [INFO] tweaked toml for git repo https://github.com/yfaming/yimu-rs written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/yfaming/yimu-rs 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 ipconfig v0.3.0 [INFO] [stderr] Downloaded enum-as-inner v0.4.0 [INFO] [stderr] Downloaded getrandom v0.2.5 [INFO] [stderr] Downloaded num_enum v0.5.6 [INFO] [stderr] Downloaded anyhow v1.0.55 [INFO] [stderr] Downloaded trust-dns-resolver v0.21.1 [INFO] [stderr] Downloaded clap v3.1.5 [INFO] [stderr] Downloaded trust-dns-proto v0.21.1 [INFO] [stderr] Downloaded clap_derive v3.1.4 [INFO] [stderr] Downloaded os_str_bytes v6.0.0 [INFO] [stderr] Downloaded num_enum_derive v0.5.6 [INFO] [stderr] Downloaded widestring v0.5.1 [INFO] [stderr] Downloaded data-encoding v2.3.2 [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] c8b63879cac3c54a16a85714a37107893717112aac1034a40e90f7441b7dc23e [INFO] running `Command { std: "docker" "start" "-a" "c8b63879cac3c54a16a85714a37107893717112aac1034a40e90f7441b7dc23e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c8b63879cac3c54a16a85714a37107893717112aac1034a40e90f7441b7dc23e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8b63879cac3c54a16a85714a37107893717112aac1034a40e90f7441b7dc23e", kill_on_drop: false }` [INFO] [stdout] c8b63879cac3c54a16a85714a37107893717112aac1034a40e90f7441b7dc23e [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] cb2ddd020a48b58d2040a587b034c2dddabbfa5b04e018ab21fc606ec05dc753 [INFO] running `Command { std: "docker" "start" "-a" "cb2ddd020a48b58d2040a587b034c2dddabbfa5b04e018ab21fc606ec05dc753", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling async-trait v0.1.52 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Checking match_cfg v0.1.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking data-encoding v2.3.2 [INFO] [stderr] Compiling anyhow v1.0.55 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking lru-cache v0.1.2 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking getrandom v0.2.5 [INFO] [stderr] Checking parking_lot_core v0.9.1 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking mio v0.8.0 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking parking_lot v0.12.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking hostname v0.3.1 [INFO] [stderr] Checking resolv-conf v0.7.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling toml v0.5.8 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling enum-as-inner v0.4.0 [INFO] [stderr] Compiling clap_derive v3.1.4 [INFO] [stderr] Checking tokio v1.17.0 [INFO] [stderr] Compiling thiserror v1.0.30 [INFO] [stderr] Compiling proc-macro-crate v1.1.3 [INFO] [stderr] Compiling num_enum_derive v0.5.6 [INFO] [stderr] Checking clap v3.1.5 [INFO] [stderr] Checking num_enum v0.5.6 [INFO] [stderr] Checking futures-executor v0.3.21 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking trust-dns-proto v0.21.1 [INFO] [stderr] Checking tokio-util v0.7.0 [INFO] [stderr] Checking trust-dns-resolver v0.21.1 [INFO] [stderr] Checking yimu v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/framed_ext.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/framed_ext.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [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 38.21s [INFO] running `Command { std: "docker" "inspect" "cb2ddd020a48b58d2040a587b034c2dddabbfa5b04e018ab21fc606ec05dc753", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb2ddd020a48b58d2040a587b034c2dddabbfa5b04e018ab21fc606ec05dc753", kill_on_drop: false }` [INFO] [stdout] cb2ddd020a48b58d2040a587b034c2dddabbfa5b04e018ab21fc606ec05dc753 [INFO] checking yfaming/yimu-rs against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyfaming%2Fyimu-rs" "/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/yfaming/yimu-rs 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/yfaming/yimu-rs [INFO] finished tweaking git repo https://github.com/yfaming/yimu-rs [INFO] tweaked toml for git repo https://github.com/yfaming/yimu-rs written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/yfaming/yimu-rs 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] 3dde6ee164f9650202b6c0006709a4dc881c59b4acc683f9f12c18cd38b8cd58 [INFO] running `Command { std: "docker" "start" "-a" "3dde6ee164f9650202b6c0006709a4dc881c59b4acc683f9f12c18cd38b8cd58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3dde6ee164f9650202b6c0006709a4dc881c59b4acc683f9f12c18cd38b8cd58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3dde6ee164f9650202b6c0006709a4dc881c59b4acc683f9f12c18cd38b8cd58", kill_on_drop: false }` [INFO] [stdout] 3dde6ee164f9650202b6c0006709a4dc881c59b4acc683f9f12c18cd38b8cd58 [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] 1c3393cc2908bcc54f17f32963426ba6a2612e3d620bf637c37bdf5ab6cbe2e7 [INFO] running `Command { std: "docker" "start" "-a" "1c3393cc2908bcc54f17f32963426ba6a2612e3d620bf637c37bdf5ab6cbe2e7", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Compiling async-trait v0.1.52 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Checking match_cfg v0.1.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking data-encoding v2.3.2 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Compiling anyhow v1.0.55 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking lru-cache v0.1.2 [INFO] [stderr] Checking parking_lot_core v0.9.1 [INFO] [stderr] Checking getrandom v0.2.5 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking parking_lot v0.12.0 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking mio v0.8.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking hostname v0.3.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking resolv-conf v0.7.0 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Compiling toml v0.5.8 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling enum-as-inner v0.4.0 [INFO] [stderr] Compiling clap_derive v3.1.4 [INFO] [stderr] Checking tokio v1.17.0 [INFO] [stderr] Compiling thiserror v1.0.30 [INFO] [stderr] Compiling proc-macro-crate v1.1.3 [INFO] [stderr] Compiling num_enum_derive v0.5.6 [INFO] [stderr] Checking clap v3.1.5 [INFO] [stderr] Checking num_enum v0.5.6 [INFO] [stderr] Checking futures-executor v0.3.21 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking trust-dns-proto v0.21.1 [INFO] [stderr] Checking tokio-util v0.7.0 [INFO] [stderr] Checking trust-dns-resolver v0.21.1 [INFO] [stderr] Checking yimu v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/framed_ext.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/framed_ext.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [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 37.08s [INFO] running `Command { std: "docker" "inspect" "1c3393cc2908bcc54f17f32963426ba6a2612e3d620bf637c37bdf5ab6cbe2e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c3393cc2908bcc54f17f32963426ba6a2612e3d620bf637c37bdf5ab6cbe2e7", kill_on_drop: false }` [INFO] [stdout] 1c3393cc2908bcc54f17f32963426ba6a2612e3d620bf637c37bdf5ab6cbe2e7