[INFO] fetching crate more-options 3.0.0... [INFO] checking more-options-3.0.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate more-options 3.0.0 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate more-options 3.0.0 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 more-options 3.0.0 [INFO] finished tweaking crates.io crate more-options 3.0.0 [INFO] tweaked toml for crates.io crate more-options 3.0.0 written to /workspace/builds/worker-1-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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 61 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding inotify v0.9.6 (latest: v0.10.2) [INFO] [stderr] Adding redox_syscall v0.4.1 (latest: v0.5.1) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding test-case v2.2.2 (latest: v3.3.1) [INFO] [stderr] Adding test-case-macros v2.2.2 (latest: v3.3.1) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding windows-sys v0.48.0 (latest: v0.52.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4) [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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded more-changetoken v2.0.0 [INFO] [stderr] Downloaded more-di v3.1.0 [INFO] [stderr] Downloaded notify v6.1.1 [INFO] [stderr] Downloaded more-config v2.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a0f19e9a91dd9f3e23c5de13c9997966510c5b8a821825dd9fb72580647c7150 [INFO] running `Command { std: "docker" "start" "-a" "a0f19e9a91dd9f3e23c5de13c9997966510c5b8a821825dd9fb72580647c7150", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a0f19e9a91dd9f3e23c5de13c9997966510c5b8a821825dd9fb72580647c7150", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0f19e9a91dd9f3e23c5de13c9997966510c5b8a821825dd9fb72580647c7150", kill_on_drop: false }` [INFO] [stdout] a0f19e9a91dd9f3e23c5de13c9997966510c5b8a821825dd9fb72580647c7150 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] bd325c1b14bf2d01999e668ccb3f82c2e1863e53d94c5ff582c7810a5bddf866 [INFO] running `Command { std: "docker" "start" "-a" "bd325c1b14bf2d01999e668ccb3f82c2e1863e53d94c5ff582c7810a5bddf866", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking more-di v3.1.0 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Checking filetime v0.2.23 [INFO] [stderr] Checking mio v0.8.11 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling test-case-macros v2.2.2 [INFO] [stderr] Checking inotify v0.9.6 [INFO] [stderr] Checking crossbeam-channel v0.5.12 [INFO] [stderr] Checking notify v6.1.1 [INFO] [stderr] Checking more-changetoken v2.0.0 [INFO] [stderr] Checking more-options v3.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking test-case v2.2.2 [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/monitor.rs:10:28 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct Subscription(Arc, Ref) + Send + Sync>); [INFO] [stdout] | ------------ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 10 | pub struct Subscription(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking more-config v2.1.1 [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/monitor.rs:10:28 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct Subscription(Arc, Ref) + Send + Sync>); [INFO] [stdout] | ------------ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 10 | pub struct Subscription(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.65s [INFO] running `Command { std: "docker" "inspect" "bd325c1b14bf2d01999e668ccb3f82c2e1863e53d94c5ff582c7810a5bddf866", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd325c1b14bf2d01999e668ccb3f82c2e1863e53d94c5ff582c7810a5bddf866", kill_on_drop: false }` [INFO] [stdout] bd325c1b14bf2d01999e668ccb3f82c2e1863e53d94c5ff582c7810a5bddf866 [INFO] checking more-options-3.0.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate more-options 3.0.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate more-options 3.0.0 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 more-options 3.0.0 [INFO] finished tweaking crates.io crate more-options 3.0.0 [INFO] tweaked toml for crates.io crate more-options 3.0.0 written to /workspace/builds/worker-1-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4b6ae215c4598588aca1503608edb226032d03487d8e69cd27edd6589a310bf1 [INFO] running `Command { std: "docker" "start" "-a" "4b6ae215c4598588aca1503608edb226032d03487d8e69cd27edd6589a310bf1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4b6ae215c4598588aca1503608edb226032d03487d8e69cd27edd6589a310bf1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b6ae215c4598588aca1503608edb226032d03487d8e69cd27edd6589a310bf1", kill_on_drop: false }` [INFO] [stdout] 4b6ae215c4598588aca1503608edb226032d03487d8e69cd27edd6589a310bf1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5ce0594c35ae9d3f79dd7eda10b89c87738deff2511ddaf03b030ad0d0835793 [INFO] running `Command { std: "docker" "start" "-a" "5ce0594c35ae9d3f79dd7eda10b89c87738deff2511ddaf03b030ad0d0835793", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking more-di v3.1.0 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking mio v0.8.11 [INFO] [stderr] Checking filetime v0.2.23 [INFO] [stderr] Compiling test-case-macros v2.2.2 [INFO] [stderr] Checking inotify v0.9.6 [INFO] [stderr] Checking crossbeam-channel v0.5.12 [INFO] [stderr] Checking notify v6.1.1 [INFO] [stderr] Checking more-changetoken v2.0.0 [INFO] [stderr] Checking test-case v2.2.2 [INFO] [stderr] Checking more-options v3.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/monitor.rs:10:28 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct Subscription(Arc, Ref) + Send + Sync>); [INFO] [stdout] | ------------ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 10 | pub struct Subscription(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking more-config v2.1.1 [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/monitor.rs:10:28 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct Subscription(Arc, Ref) + Send + Sync>); [INFO] [stdout] | ------------ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 10 | pub struct Subscription(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.76s [INFO] running `Command { std: "docker" "inspect" "5ce0594c35ae9d3f79dd7eda10b89c87738deff2511ddaf03b030ad0d0835793", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ce0594c35ae9d3f79dd7eda10b89c87738deff2511ddaf03b030ad0d0835793", kill_on_drop: false }` [INFO] [stdout] 5ce0594c35ae9d3f79dd7eda10b89c87738deff2511ddaf03b030ad0d0835793