[INFO] cloning repository https://github.com/Ophirr33/tokio-test [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ophirr33/tokio-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOphirr33%2Ftokio-test", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOphirr33%2Ftokio-test'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5005328e74c9be94e42fe1d3fb393c404e59a4b8 [INFO] checking Ophirr33/tokio-test against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOphirr33%2Ftokio-test" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Ophirr33/tokio-test 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/Ophirr33/tokio-test [INFO] finished tweaking git repo https://github.com/Ophirr33/tokio-test [INFO] tweaked toml for git repo https://github.com/Ophirr33/tokio-test written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Ophirr33/tokio-test 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 byteorder v1.0.0 [INFO] [stderr] Downloaded tokio-io v0.1.1 [INFO] [stderr] Downloaded bytes v0.4.2 [INFO] [stderr] Downloaded iovec v0.1.0 [INFO] [stderr] Downloaded cfg-if v0.1.0 [INFO] [stderr] Downloaded lazycell v0.4.0 [INFO] [stderr] Downloaded scoped-tls v0.1.0 [INFO] [stderr] Downloaded libc v0.2.21 [INFO] [stderr] Downloaded futures v0.1.13 [INFO] [stderr] Downloaded log v0.3.7 [INFO] [stderr] Downloaded tokio-core v0.1.6 [INFO] [stderr] Downloaded rand v0.3.15 [INFO] [stderr] Downloaded net2 v0.2.27 [INFO] [stderr] Downloaded mio v0.6.6 [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] 9c621ef17e43407391114db4e5ee09b231ef7b70f20d9f990d84948e3d892a31 [INFO] running `Command { std: "docker" "start" "-a" "9c621ef17e43407391114db4e5ee09b231ef7b70f20d9f990d84948e3d892a31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9c621ef17e43407391114db4e5ee09b231ef7b70f20d9f990d84948e3d892a31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c621ef17e43407391114db4e5ee09b231ef7b70f20d9f990d84948e3d892a31", kill_on_drop: false }` [INFO] [stdout] 9c621ef17e43407391114db4e5ee09b231ef7b70f20d9f990d84948e3d892a31 [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] d607176ecf6a41bf1816f3c98303582ab87a866f9e22b4007fcb98dabdad9589 [INFO] running `Command { std: "docker" "start" "-a" "d607176ecf6a41bf1816f3c98303582ab87a866f9e22b4007fcb98dabdad9589", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.21 [INFO] [stderr] Checking futures v0.1.13 [INFO] [stderr] Checking cfg-if v0.1.0 [INFO] [stderr] Checking log v0.3.7 [INFO] [stderr] Checking byteorder v1.0.0 [INFO] [stderr] Checking lazycell v0.4.0 [INFO] [stderr] Checking slab v0.3.0 [INFO] [stderr] Checking scoped-tls v0.1.0 [INFO] [stderr] Checking take v0.1.0 [INFO] [stderr] Checking smallvec v0.2.1 [INFO] [stderr] Checking iovec v0.1.0 [INFO] [stderr] Checking net2 v0.2.27 [INFO] [stderr] Checking rand v0.3.15 [INFO] [stderr] Checking bytes v0.4.2 [INFO] [stderr] Checking mio v0.6.6 [INFO] [stderr] Checking tokio-io v0.1.1 [INFO] [stderr] Checking tokio-service v0.1.0 [INFO] [stderr] Checking tokio-core v0.1.6 [INFO] [stderr] Checking tokio-proto v0.1.1 [INFO] [stderr] Checking tokio-test v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::str` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::str; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:55:28 [INFO] [stdout] | [INFO] [stdout] 55 | (&mut u64v as &mut Write).write_u64::(item).expect("8/8"); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 55 | (&mut u64v as &mut dyn Write).write_u64::(item).expect("8/8"); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::str; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:55:28 [INFO] [stdout] | [INFO] [stdout] 55 | (&mut u64v as &mut Write).write_u64::(item).expect("8/8"); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 55 | (&mut u64v as &mut dyn Write).write_u64::(item).expect("8/8"); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.33s [INFO] running `Command { std: "docker" "inspect" "d607176ecf6a41bf1816f3c98303582ab87a866f9e22b4007fcb98dabdad9589", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d607176ecf6a41bf1816f3c98303582ab87a866f9e22b4007fcb98dabdad9589", kill_on_drop: false }` [INFO] [stdout] d607176ecf6a41bf1816f3c98303582ab87a866f9e22b4007fcb98dabdad9589 [INFO] checking Ophirr33/tokio-test against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOphirr33%2Ftokio-test" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Ophirr33/tokio-test 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/Ophirr33/tokio-test [INFO] finished tweaking git repo https://github.com/Ophirr33/tokio-test [INFO] tweaked toml for git repo https://github.com/Ophirr33/tokio-test written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Ophirr33/tokio-test 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 564d39b0fb4237706216fef3de47ed7f3068d942191ce25b05514a26ee4522d7 [INFO] running `Command { std: "docker" "start" "-a" "564d39b0fb4237706216fef3de47ed7f3068d942191ce25b05514a26ee4522d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "564d39b0fb4237706216fef3de47ed7f3068d942191ce25b05514a26ee4522d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "564d39b0fb4237706216fef3de47ed7f3068d942191ce25b05514a26ee4522d7", kill_on_drop: false }` [INFO] [stdout] 564d39b0fb4237706216fef3de47ed7f3068d942191ce25b05514a26ee4522d7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 99e17044fc4961c54f1981deada0a5736996009d057fd1694dd38d695082df5e [INFO] running `Command { std: "docker" "start" "-a" "99e17044fc4961c54f1981deada0a5736996009d057fd1694dd38d695082df5e", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.21 [INFO] [stderr] Checking log v0.3.7 [INFO] [stderr] Checking byteorder v1.0.0 [INFO] [stderr] Checking futures v0.1.13 [INFO] [stderr] Checking cfg-if v0.1.0 [INFO] [stderr] Checking slab v0.3.0 [INFO] [stderr] Checking lazycell v0.4.0 [INFO] [stderr] Checking scoped-tls v0.1.0 [INFO] [stderr] Checking take v0.1.0 [INFO] [stderr] Checking smallvec v0.2.1 [INFO] [stderr] Checking iovec v0.1.0 [INFO] [stderr] Checking net2 v0.2.27 [INFO] [stderr] Checking rand v0.3.15 [INFO] [stderr] Checking bytes v0.4.2 [INFO] [stderr] Checking mio v0.6.6 [INFO] [stderr] Checking tokio-io v0.1.1 [INFO] [stderr] Checking tokio-service v0.1.0 [INFO] [stderr] Checking tokio-core v0.1.6 [INFO] [stderr] Checking tokio-proto v0.1.1 [INFO] [stderr] Checking tokio-test v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::str` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::str; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:55:28 [INFO] [stdout] | [INFO] [stdout] 55 | (&mut u64v as &mut Write).write_u64::(item).expect("8/8"); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 55 | (&mut u64v as &mut dyn Write).write_u64::(item).expect("8/8"); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::str; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:55:28 [INFO] [stdout] | [INFO] [stdout] 55 | (&mut u64v as &mut Write).write_u64::(item).expect("8/8"); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 55 | (&mut u64v as &mut dyn Write).write_u64::(item).expect("8/8"); [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 3.41s [INFO] running `Command { std: "docker" "inspect" "99e17044fc4961c54f1981deada0a5736996009d057fd1694dd38d695082df5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99e17044fc4961c54f1981deada0a5736996009d057fd1694dd38d695082df5e", kill_on_drop: false }` [INFO] [stdout] 99e17044fc4961c54f1981deada0a5736996009d057fd1694dd38d695082df5e