[INFO] fetching crate singletonum-derive 0.2.0... [INFO] checking singletonum-derive-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate singletonum-derive 0.2.0 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate singletonum-derive 0.2.0 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 crates.io crate singletonum-derive 0.2.0 [INFO] finished tweaking crates.io crate singletonum-derive 0.2.0 [INFO] tweaked toml for crates.io crate singletonum-derive 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 26 packages [INFO] [stderr] Adding heck v0.3.3 (latest: v0.5.0) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding quote v0.3.15 (latest: v1.0.35) [INFO] [stderr] Adding syn v0.11.11 (latest: v2.0.58) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] [stderr] Adding unicode-xid v0.0.4 (latest: v0.2.4) [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] 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] ea4b23a73fd9f03aeaf19908e7c95a486cc92a13b06e384bb1f84c47b3dc8439 [INFO] running `Command { std: "docker" "start" "-a" "ea4b23a73fd9f03aeaf19908e7c95a486cc92a13b06e384bb1f84c47b3dc8439", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ea4b23a73fd9f03aeaf19908e7c95a486cc92a13b06e384bb1f84c47b3dc8439", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea4b23a73fd9f03aeaf19908e7c95a486cc92a13b06e384bb1f84c47b3dc8439", kill_on_drop: false }` [INFO] [stdout] ea4b23a73fd9f03aeaf19908e7c95a486cc92a13b06e384bb1f84c47b3dc8439 [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] 85390ace111075fb82634045c26ad2ce98e8e994135f0e901ca70533c6d870e3 [INFO] running `Command { std: "docker" "start" "-a" "85390ace111075fb82634045c26ad2ce98e8e994135f0e901ca70533c6d870e3", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking gimli v0.28.1 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking rustc-demangle v0.1.23 [INFO] [stderr] Checking unicode-xid v0.0.4 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Checking synom v0.11.3 [INFO] [stderr] Checking unicode-segmentation v1.11.0 [INFO] [stderr] Checking quote v0.3.15 [INFO] [stderr] Checking syn v0.11.11 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Checking heck v0.3.3 [INFO] [stderr] Checking addr2line v0.21.0 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking singletonum-derive v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `failure::Error` [INFO] [stdout] --> src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use failure::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `failure::Error` [INFO] [stdout] --> src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use failure::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.84s [INFO] running `Command { std: "docker" "inspect" "85390ace111075fb82634045c26ad2ce98e8e994135f0e901ca70533c6d870e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85390ace111075fb82634045c26ad2ce98e8e994135f0e901ca70533c6d870e3", kill_on_drop: false }` [INFO] [stdout] 85390ace111075fb82634045c26ad2ce98e8e994135f0e901ca70533c6d870e3 [INFO] checking singletonum-derive-0.2.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate singletonum-derive 0.2.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate singletonum-derive 0.2.0 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 crates.io crate singletonum-derive 0.2.0 [INFO] finished tweaking crates.io crate singletonum-derive 0.2.0 [INFO] tweaked toml for crates.io crate singletonum-derive 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [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] e3df4a6ab7a9c8d7ce1a04962d29cc932488ece44d5e76ef3bea0207ca5807f1 [INFO] running `Command { std: "docker" "start" "-a" "e3df4a6ab7a9c8d7ce1a04962d29cc932488ece44d5e76ef3bea0207ca5807f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e3df4a6ab7a9c8d7ce1a04962d29cc932488ece44d5e76ef3bea0207ca5807f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3df4a6ab7a9c8d7ce1a04962d29cc932488ece44d5e76ef3bea0207ca5807f1", kill_on_drop: false }` [INFO] [stdout] e3df4a6ab7a9c8d7ce1a04962d29cc932488ece44d5e76ef3bea0207ca5807f1 [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] 35dfd6538a32ec46486dfd36c3f944a3b149f226f85ddbb5d3bcaa835f2de5db [INFO] running `Command { std: "docker" "start" "-a" "35dfd6538a32ec46486dfd36c3f944a3b149f226f85ddbb5d3bcaa835f2de5db", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking gimli v0.28.1 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Checking unicode-xid v0.0.4 [INFO] [stderr] Checking rustc-demangle v0.1.23 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking synom v0.11.3 [INFO] [stderr] Checking unicode-segmentation v1.11.0 [INFO] [stderr] Checking quote v0.3.15 [INFO] [stderr] Checking syn v0.11.11 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Checking heck v0.3.3 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Checking addr2line v0.21.0 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking singletonum-derive v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `failure::Error` [INFO] [stdout] --> src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use failure::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `failure::Error` [INFO] [stdout] --> src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use failure::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.22s [INFO] running `Command { std: "docker" "inspect" "35dfd6538a32ec46486dfd36c3f944a3b149f226f85ddbb5d3bcaa835f2de5db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35dfd6538a32ec46486dfd36c3f944a3b149f226f85ddbb5d3bcaa835f2de5db", kill_on_drop: false }` [INFO] [stdout] 35dfd6538a32ec46486dfd36c3f944a3b149f226f85ddbb5d3bcaa835f2de5db