[INFO] fetching crate chaintester 0.2.6... [INFO] checking chaintester-0.2.6 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate chaintester 0.2.6 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate chaintester 0.2.6 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 chaintester 0.2.6 [INFO] finished tweaking crates.io crate chaintester 0.2.6 [INFO] tweaked toml for crates.io crate chaintester 0.2.6 written to /workspace/builds/worker-4-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 63 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding clap v3.2.25 (latest: v4.5.4) [INFO] [stderr] Adding clap_lex v0.2.4 (latest: v0.7.0) [INFO] [stderr] Adding encode_unicode v0.3.6 (latest: v1.0.0) [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 integer-encoding v3.0.4 (latest: v4.0.0) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding ordered-float v1.1.1 (latest: v4.2.0) [INFO] [stderr] Adding os_str_bytes v6.6.1 (latest: v7.0.0) [INFO] [stderr] Adding strsim v0.10.0 (latest: v0.11.1) [INFO] [stderr] Adding thrift v0.16.0 (latest: v0.17.0) [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 integer-encoding v3.0.4 [INFO] [stderr] Downloaded threadpool v1.8.1 [INFO] [stderr] Downloaded thrift v0.16.0 [INFO] [stderr] Downloaded ordered-float v1.1.1 [INFO] [stderr] Downloaded better-panic v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c4a8df4cacfdf2c2599fddd4531b8c577e7d0a6e94a2ea7817eaca218edb5307 [INFO] running `Command { std: "docker" "start" "-a" "c4a8df4cacfdf2c2599fddd4531b8c577e7d0a6e94a2ea7817eaca218edb5307", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c4a8df4cacfdf2c2599fddd4531b8c577e7d0a6e94a2ea7817eaca218edb5307", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4a8df4cacfdf2c2599fddd4531b8c577e7d0a6e94a2ea7817eaca218edb5307", kill_on_drop: false }` [INFO] [stdout] c4a8df4cacfdf2c2599fddd4531b8c577e7d0a6e94a2ea7817eaca218edb5307 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9094e09acd146d03f02cdbb8bd88430359bc6b500b64d0c5064ea7c89c1fa437 [INFO] running `Command { std: "docker" "start" "-a" "9094e09acd146d03f02cdbb8bd88430359bc6b500b64d0c5064ea7c89c1fa437", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Compiling serde_json v1.0.115 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Checking hashbrown v0.14.3 [INFO] [stderr] Checking os_str_bytes v6.6.1 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking console v0.15.8 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking textwrap v0.16.1 [INFO] [stderr] Checking integer-encoding v3.0.4 [INFO] [stderr] Checking clap v3.2.25 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Checking indexmap v2.2.6 [INFO] [stderr] Checking ordered-float v1.1.1 [INFO] [stderr] Checking thrift v0.16.0 [INFO] [stderr] Checking backtrace v0.3.71 [INFO] [stderr] Checking better-panic v0.3.0 [INFO] [stderr] Checking chaintester v0.2.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/client.rs:27:20 [INFO] [stdout] | [INFO] [stdout] 27 | use std::convert::{From, Into, TryInto}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [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 `Into` is imported redundantly [INFO] [stdout] --> src/client.rs:27:26 [INFO] [stdout] | [INFO] [stdout] 27 | use std::convert::{From, Into, TryInto}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Into` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/client.rs:27:32 [INFO] [stdout] | [INFO] [stdout] 27 | use std::convert::{From, Into, TryInto}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/client.rs:27:20 [INFO] [stdout] | [INFO] [stdout] 27 | use std::convert::{From, Into, TryInto}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [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 `Into` is imported redundantly [INFO] [stdout] --> src/client.rs:27:26 [INFO] [stdout] | [INFO] [stdout] 27 | use std::convert::{From, Into, TryInto}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Into` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/client.rs:27:32 [INFO] [stdout] | [INFO] [stdout] 27 | use std::convert::{From, Into, TryInto}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.58s [INFO] running `Command { std: "docker" "inspect" "9094e09acd146d03f02cdbb8bd88430359bc6b500b64d0c5064ea7c89c1fa437", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9094e09acd146d03f02cdbb8bd88430359bc6b500b64d0c5064ea7c89c1fa437", kill_on_drop: false }` [INFO] [stdout] 9094e09acd146d03f02cdbb8bd88430359bc6b500b64d0c5064ea7c89c1fa437