[INFO] cloning repository https://github.com/jamezrin/tests-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jamezrin/tests-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamezrin%2Ftests-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamezrin%2Ftests-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 44f10418a6b29532526eb9468be55aa96b74ce4f [INFO] checking jamezrin/tests-rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamezrin%2Ftests-rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jamezrin/tests-rust 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/jamezrin/tests-rust [INFO] finished tweaking git repo https://github.com/jamezrin/tests-rust [INFO] tweaked toml for git repo https://github.com/jamezrin/tests-rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/jamezrin/tests-rust 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] Downloading crates ... [INFO] [stderr] Downloaded bus v2.3.0 [INFO] [stderr] Downloaded redox_syscall v0.2.15 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7bfb55c4bcd31d5b65ac3b6ead980e41e922a6bc8621cb609e3a82189d3d80b6 [INFO] running `Command { std: "docker" "start" "-a" "7bfb55c4bcd31d5b65ac3b6ead980e41e922a6bc8621cb609e3a82189d3d80b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7bfb55c4bcd31d5b65ac3b6ead980e41e922a6bc8621cb609e3a82189d3d80b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7bfb55c4bcd31d5b65ac3b6ead980e41e922a6bc8621cb609e3a82189d3d80b6", kill_on_drop: false }` [INFO] [stdout] 7bfb55c4bcd31d5b65ac3b6ead980e41e922a6bc8621cb609e3a82189d3d80b6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 03bdf514eff5f2241f89692679efcc3aa1ccdc1ca803bf2442c9cf3bc3591bb9 [INFO] running `Command { std: "docker" "start" "-a" "03bdf514eff5f2241f89692679efcc3aa1ccdc1ca803bf2442c9cf3bc3591bb9", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.11 [INFO] [stderr] Compiling parking_lot_core v0.9.3 [INFO] [stderr] Checking once_cell v1.13.0 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking smallvec v1.9.0 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Checking crossbeam-channel v0.5.6 [INFO] [stderr] Checking bus v2.3.0 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Checking env_logger v0.9.0 [INFO] [stderr] Checking tests-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `thread`, `time` [INFO] [stdout] --> src/thread_2.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{thread, time}; [INFO] [stdout] | ^^^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `thread`, `time` [INFO] [stdout] --> src/thread_1.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{thread, time}; [INFO] [stdout] | ^^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `thread`, `time` [INFO] [stdout] --> src/thread_2.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{thread, time}; [INFO] [stdout] | ^^^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `thread`, `time` [INFO] [stdout] --> src/thread_1.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{thread, time}; [INFO] [stdout] | ^^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Arc` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crossbeam_channel::*` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use crossbeam_channel::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `log` is imported redundantly [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use log; [INFO] [stdout] | ^^^ the item `log` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Arc` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crossbeam_channel::*` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use crossbeam_channel::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `log` is imported redundantly [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use log; [INFO] [stdout] | ^^^ the item `log` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/main.rs:32:13 [INFO] [stdout] | [INFO] [stdout] 32 | Err(err) => {} [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/main.rs:32:13 [INFO] [stdout] | [INFO] [stdout] 32 | Err(err) => {} [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.44s [INFO] running `Command { std: "docker" "inspect" "03bdf514eff5f2241f89692679efcc3aa1ccdc1ca803bf2442c9cf3bc3591bb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03bdf514eff5f2241f89692679efcc3aa1ccdc1ca803bf2442c9cf3bc3591bb9", kill_on_drop: false }` [INFO] [stdout] 03bdf514eff5f2241f89692679efcc3aa1ccdc1ca803bf2442c9cf3bc3591bb9 [INFO] checking jamezrin/tests-rust against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamezrin%2Ftests-rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jamezrin/tests-rust 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/jamezrin/tests-rust [INFO] finished tweaking git repo https://github.com/jamezrin/tests-rust [INFO] tweaked toml for git repo https://github.com/jamezrin/tests-rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/jamezrin/tests-rust 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8b5a47b23f9e13765b0e6110d9c4ad653d0dc52eed99d4a9ac4fe554762a4920 [INFO] running `Command { std: "docker" "start" "-a" "8b5a47b23f9e13765b0e6110d9c4ad653d0dc52eed99d4a9ac4fe554762a4920", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8b5a47b23f9e13765b0e6110d9c4ad653d0dc52eed99d4a9ac4fe554762a4920", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b5a47b23f9e13765b0e6110d9c4ad653d0dc52eed99d4a9ac4fe554762a4920", kill_on_drop: false }` [INFO] [stdout] 8b5a47b23f9e13765b0e6110d9c4ad653d0dc52eed99d4a9ac4fe554762a4920 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 80e038da22aa22a291a37d7893f8c0fc4d7dd96f0871e8bf7066e920be6e3218 [INFO] running `Command { std: "docker" "start" "-a" "80e038da22aa22a291a37d7893f8c0fc4d7dd96f0871e8bf7066e920be6e3218", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.11 [INFO] [stderr] Compiling parking_lot_core v0.9.3 [INFO] [stderr] Checking once_cell v1.13.0 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Checking smallvec v1.9.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking crossbeam-channel v0.5.6 [INFO] [stderr] Checking bus v2.3.0 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Checking env_logger v0.9.0 [INFO] [stderr] Checking tests-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `thread`, `time` [INFO] [stdout] --> src/thread_2.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{thread, time}; [INFO] [stdout] | ^^^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `thread`, `time` [INFO] [stdout] --> src/thread_1.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{thread, time}; [INFO] [stdout] | ^^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Arc` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crossbeam_channel::*` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use crossbeam_channel::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `log` is imported redundantly [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use log; [INFO] [stdout] | ^^^ the item `log` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `thread`, `time` [INFO] [stdout] --> src/thread_2.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{thread, time}; [INFO] [stdout] | ^^^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `thread`, `time` [INFO] [stdout] --> src/thread_1.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{thread, time}; [INFO] [stdout] | ^^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Arc` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crossbeam_channel::*` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use crossbeam_channel::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `log` is imported redundantly [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use log; [INFO] [stdout] | ^^^ the item `log` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/main.rs:32:13 [INFO] [stdout] | [INFO] [stdout] 32 | Err(err) => {} [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/main.rs:32:13 [INFO] [stdout] | [INFO] [stdout] 32 | Err(err) => {} [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.73s [INFO] running `Command { std: "docker" "inspect" "80e038da22aa22a291a37d7893f8c0fc4d7dd96f0871e8bf7066e920be6e3218", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80e038da22aa22a291a37d7893f8c0fc4d7dd96f0871e8bf7066e920be6e3218", kill_on_drop: false }` [INFO] [stdout] 80e038da22aa22a291a37d7893f8c0fc4d7dd96f0871e8bf7066e920be6e3218