[INFO] fetching crate intercom 0.4.0... [INFO] checking intercom-0.4.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate intercom 0.4.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate intercom 0.4.0 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 intercom 0.4.0 [INFO] finished tweaking crates.io crate intercom 0.4.0 [INFO] tweaked toml for crates.io crate intercom 0.4.0 written to /workspace/builds/worker-2-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 66 packages [INFO] [stderr] Adding generic-array v0.14.7 (latest: v1.0.0) [INFO] [stderr] Adding handlebars v2.0.4 (latest: v5.1.2) [INFO] [stderr] Adding hashbrown v0.5.0 (latest: v0.14.3) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.3) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.2.6) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding quick-error v1.2.3 (latest: v2.0.1) [INFO] [stderr] Adding sha1 v0.6.1 (latest: v0.10.6) [INFO] [stderr] Adding simple_logger v1.16.0 (latest: v4.3.3) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [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 simple_logger v1.16.0 [INFO] [stderr] Downloaded intercom-common v0.4.0 [INFO] [stderr] Downloaded hashbrown v0.5.0 [INFO] [stderr] Downloaded handlebars v2.0.4 [INFO] [stderr] Downloaded intercom-attributes v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] fadbd74b569eabc03bfc6f63482f263f71af90803ff3077453b9894df7f5cb3f [INFO] running `Command { std: "docker" "start" "-a" "fadbd74b569eabc03bfc6f63482f263f71af90803ff3077453b9894df7f5cb3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fadbd74b569eabc03bfc6f63482f263f71af90803ff3077453b9894df7f5cb3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fadbd74b569eabc03bfc6f63482f263f71af90803ff3077453b9894df7f5cb3f", kill_on_drop: false }` [INFO] [stdout] fadbd74b569eabc03bfc6f63482f263f71af90803ff3077453b9894df7f5cb3f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b6045ea104908b85b1813ed1c59e21f8dc0dbed049114ff1ba7f0bf4c8ad30ae [INFO] running `Command { std: "docker" "start" "-a" "b6045ea104908b85b1813ed1c59e21f8dc0dbed049114ff1ba7f0bf4c8ad30ae", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling miniz_oxide v0.7.2 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling sha1_smol v1.0.0 [INFO] [stderr] Checking simple_logger v1.16.0 [INFO] [stderr] Compiling sha1 v0.6.1 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling intercom-common v0.4.0 [INFO] [stderr] Compiling intercom-attributes v0.4.0 [INFO] [stderr] Checking intercom v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `attributes` is imported redundantly [INFO] [stdout] --> src/classfactory.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | use super::*; [INFO] [stdout] | -------- the item `attributes` is already imported here [INFO] [stdout] 9 | use crate::attributes; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/strings.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | self, [INFO] [stdout] | ^^^^ the item `std` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ComItf` is imported redundantly [INFO] [stdout] --> src/type_system.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::prelude::*; [INFO] [stdout] | ----------------- the item `ComItf` is already imported here [INFO] [stdout] 2 | use crate::ComItf; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `attributes` is imported redundantly [INFO] [stdout] --> src/classfactory.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | use super::*; [INFO] [stdout] | -------- the item `attributes` is already imported here [INFO] [stdout] 9 | use crate::attributes; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/strings.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | self, [INFO] [stdout] | ^^^^ the item `std` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ComItf` is imported redundantly [INFO] [stdout] --> src/type_system.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::prelude::*; [INFO] [stdout] | ----------------- the item `ComItf` is already imported here [INFO] [stdout] 2 | use crate::ComItf; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/variant.rs:903:29 [INFO] [stdout] | [INFO] [stdout] 903 | pub struct VariantError(VariantType); [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] 903 | pub struct VariantError(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/variant.rs:903:29 [INFO] [stdout] | [INFO] [stdout] 903 | pub struct VariantError(VariantType); [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] 903 | pub struct VariantError(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.67s [INFO] running `Command { std: "docker" "inspect" "b6045ea104908b85b1813ed1c59e21f8dc0dbed049114ff1ba7f0bf4c8ad30ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6045ea104908b85b1813ed1c59e21f8dc0dbed049114ff1ba7f0bf4c8ad30ae", kill_on_drop: false }` [INFO] [stdout] b6045ea104908b85b1813ed1c59e21f8dc0dbed049114ff1ba7f0bf4c8ad30ae