[INFO] cloning repository https://github.com/DenisKolodin/rusty [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DenisKolodin/rusty" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDenisKolodin%2Frusty", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDenisKolodin%2Frusty'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6583d38f80c7e8b8163f3bdac9e52e5c4c6e83b9 [INFO] checking DenisKolodin/rusty against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDenisKolodin%2Frusty" "/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/DenisKolodin/rusty 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/DenisKolodin/rusty [INFO] finished tweaking git repo https://github.com/DenisKolodin/rusty [INFO] tweaked toml for git repo https://github.com/DenisKolodin/rusty written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/DenisKolodin/rusty 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 toml v0.4.8 [INFO] [stderr] Downloaded dotenv v0.11.0 [INFO] [stderr] Downloaded proc-macro2 v0.4.20 [INFO] [stderr] Downloaded syntex_fmt_macros v0.5.0 [INFO] [stderr] Downloaded regex-syntax v0.6.2 [INFO] [stderr] Downloaded libc v0.2.43 [INFO] [stderr] Downloaded backtrace-sys v0.1.24 [INFO] [stderr] Downloaded regex v1.0.5 [INFO] [stderr] Downloaded derive-error-chain v0.11.2 [INFO] [stderr] Downloaded redox_syscall v0.1.40 [INFO] [stderr] Downloaded humantime v1.1.1 [INFO] [stderr] Downloaded aho-corasick v0.6.8 [INFO] [stderr] Downloaded memchr v2.1.0 [INFO] [stderr] Downloaded ucd-util v0.1.1 [INFO] [stderr] Downloaded lazy_static v1.1.0 [INFO] [stderr] Downloaded utf8-ranges v1.0.1 [INFO] [stderr] Downloaded winapi-util v0.1.1 [INFO] [stderr] Downloaded cc v1.0.25 [INFO] [stderr] Downloaded rustc-demangle v0.1.9 [INFO] [stderr] Downloaded backtrace v0.3.9 [INFO] [stderr] Downloaded synstructure v0.10.0 [INFO] [stderr] Downloaded failure_derive v0.1.3 [INFO] [stderr] Downloaded failure v0.1.3 [INFO] [stderr] Downloaded log v0.4.5 [INFO] [stderr] Downloaded quote v0.6.8 [INFO] [stderr] Downloaded syn v0.15.13 [INFO] [stderr] Downloaded serde v1.0.80 [INFO] [stderr] Downloaded serde_derive v1.0.80 [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] 857ffc87fd9650651af1aab1528a63ccfbf50e7e0f158b493fa7ecfa7190c9a0 [INFO] running `Command { std: "docker" "start" "-a" "857ffc87fd9650651af1aab1528a63ccfbf50e7e0f158b493fa7ecfa7190c9a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "857ffc87fd9650651af1aab1528a63ccfbf50e7e0f158b493fa7ecfa7190c9a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "857ffc87fd9650651af1aab1528a63ccfbf50e7e0f158b493fa7ecfa7190c9a0", kill_on_drop: false }` [INFO] [stdout] 857ffc87fd9650651af1aab1528a63ccfbf50e7e0f158b493fa7ecfa7190c9a0 [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] f16ce8d42f19ac9f5113d904e68aa201ed55017ab49d0a484c75d16ab89e3c76 [INFO] running `Command { std: "docker" "start" "-a" "f16ce8d42f19ac9f5113d904e68aa201ed55017ab49d0a484c75d16ab89e3c76", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling proc-macro2 v0.4.20 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Compiling cc v1.0.25 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Checking utf8-ranges v1.0.1 [INFO] [stderr] Checking rustc-demangle v0.1.9 [INFO] [stderr] Compiling serde v1.0.80 [INFO] [stderr] Compiling failure_derive v0.1.3 [INFO] [stderr] Compiling regex v1.0.5 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Compiling syntex_fmt_macros v0.5.0 [INFO] [stderr] Checking humantime v1.1.1 [INFO] [stderr] Checking log v0.4.5 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking regex-syntax v0.6.2 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking termcolor v1.0.4 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Compiling memchr v2.1.0 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking aho-corasick v0.6.8 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Compiling syn v0.15.13 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Checking backtrace v0.3.9 [INFO] [stderr] Checking error-chain v0.11.0 [INFO] [stderr] Checking env_logger v0.5.13 [INFO] [stderr] Compiling synstructure v0.10.0 [INFO] [stderr] Checking toml v0.4.8 [INFO] [stderr] Compiling serde_derive v1.0.80 [INFO] [stderr] Compiling derive-error-chain v0.11.2 [INFO] [stderr] Checking failure v0.1.3 [INFO] [stderr] Checking dotenv v0.11.0 [INFO] [stderr] Checking rusty v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `toml` is imported redundantly [INFO] [stdout] --> src/config.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use toml; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | extern crate toml; [INFO] [stdout] | ------------------ the item `toml` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `toml` is imported redundantly [INFO] [stdout] --> src/config.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use toml; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | extern crate toml; [INFO] [stdout] | ------------------ the item `toml` is already imported 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 13.06s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.9 [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" "f16ce8d42f19ac9f5113d904e68aa201ed55017ab49d0a484c75d16ab89e3c76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f16ce8d42f19ac9f5113d904e68aa201ed55017ab49d0a484c75d16ab89e3c76", kill_on_drop: false }` [INFO] [stdout] f16ce8d42f19ac9f5113d904e68aa201ed55017ab49d0a484c75d16ab89e3c76 [INFO] checking DenisKolodin/rusty against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDenisKolodin%2Frusty" "/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/DenisKolodin/rusty 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/DenisKolodin/rusty [INFO] finished tweaking git repo https://github.com/DenisKolodin/rusty [INFO] tweaked toml for git repo https://github.com/DenisKolodin/rusty written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/DenisKolodin/rusty 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] [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] a12eb33c4bf3652e99c878b3e9fd98d4ba00a226af4a5e68f1f8f357e2a850c7 [INFO] running `Command { std: "docker" "start" "-a" "a12eb33c4bf3652e99c878b3e9fd98d4ba00a226af4a5e68f1f8f357e2a850c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a12eb33c4bf3652e99c878b3e9fd98d4ba00a226af4a5e68f1f8f357e2a850c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a12eb33c4bf3652e99c878b3e9fd98d4ba00a226af4a5e68f1f8f357e2a850c7", kill_on_drop: false }` [INFO] [stdout] a12eb33c4bf3652e99c878b3e9fd98d4ba00a226af4a5e68f1f8f357e2a850c7 [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] 267fd3141a3beb83b33d5f6887def5eb9428decbb0f997e56305a1eb5693e8c7 [INFO] running `Command { std: "docker" "start" "-a" "267fd3141a3beb83b33d5f6887def5eb9428decbb0f997e56305a1eb5693e8c7", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling proc-macro2 v0.4.20 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Compiling cc v1.0.25 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Checking utf8-ranges v1.0.1 [INFO] [stderr] Checking rustc-demangle v0.1.9 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling failure_derive v0.1.3 [INFO] [stderr] Compiling serde v1.0.80 [INFO] [stderr] Compiling regex v1.0.5 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Compiling syntex_fmt_macros v0.5.0 [INFO] [stderr] Checking log v0.4.5 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking regex-syntax v0.6.2 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking humantime v1.1.1 [INFO] [stderr] Checking termcolor v1.0.4 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling memchr v2.1.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Checking aho-corasick v0.6.8 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Compiling syn v0.15.13 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Checking backtrace v0.3.9 [INFO] [stderr] Checking error-chain v0.11.0 [INFO] [stderr] Checking env_logger v0.5.13 [INFO] [stderr] Checking toml v0.4.8 [INFO] [stderr] Compiling synstructure v0.10.0 [INFO] [stderr] Compiling serde_derive v1.0.80 [INFO] [stderr] Compiling derive-error-chain v0.11.2 [INFO] [stderr] Checking failure v0.1.3 [INFO] [stderr] Checking dotenv v0.11.0 [INFO] [stderr] Checking rusty v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `toml` is imported redundantly [INFO] [stdout] --> src/config.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use toml; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | extern crate toml; [INFO] [stdout] | ------------------ the item `toml` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `toml` is imported redundantly [INFO] [stdout] --> src/config.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use toml; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | extern crate toml; [INFO] [stdout] | ------------------ the item `toml` is already imported 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 12.58s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.9 [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" "267fd3141a3beb83b33d5f6887def5eb9428decbb0f997e56305a1eb5693e8c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "267fd3141a3beb83b33d5f6887def5eb9428decbb0f997e56305a1eb5693e8c7", kill_on_drop: false }` [INFO] [stdout] 267fd3141a3beb83b33d5f6887def5eb9428decbb0f997e56305a1eb5693e8c7