[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 try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOphirr33%2Ftokio-test" "/workspace/builds/worker-104/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-104/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Ophirr33/tokio-test on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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-104/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: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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 tokio-io v0.1.1 [INFO] [stderr] Downloaded tokio-core v0.1.6 [INFO] [stderr] Downloaded mio v0.6.6 [INFO] [stderr] Downloaded net2 v0.2.27 [INFO] [stderr] Downloaded futures v0.1.13 [INFO] [stderr] Downloaded bytes v0.4.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 33b6281181594902410f97ffb3d71fb5ae20e98d1bba187d0c98601b1b9d5ad1 [INFO] running `Command { std: "docker" "start" "-a" "33b6281181594902410f97ffb3d71fb5ae20e98d1bba187d0c98601b1b9d5ad1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "33b6281181594902410f97ffb3d71fb5ae20e98d1bba187d0c98601b1b9d5ad1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33b6281181594902410f97ffb3d71fb5ae20e98d1bba187d0c98601b1b9d5ad1", kill_on_drop: false }` [INFO] [stdout] 33b6281181594902410f97ffb3d71fb5ae20e98d1bba187d0c98601b1b9d5ad1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c92b9877137a2ce8a3da66abca79681f0539d2f29fc7b5c725df405a65d4a1eb [INFO] running `Command { std: "docker" "start" "-a" "c92b9877137a2ce8a3da66abca79681f0539d2f29fc7b5c725df405a65d4a1eb", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking libc v0.2.21 [INFO] [stderr] Checking byteorder v1.0.0 [INFO] [stderr] Checking log v0.3.7 [INFO] [stderr] Checking cfg-if v0.1.0 [INFO] [stderr] Checking futures v0.1.13 [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 smallvec v0.2.1 [INFO] [stderr] Checking take v0.1.0 [INFO] [stderr] Checking iovec v0.1.0 [INFO] [stderr] Checking net2 v0.2.27 [INFO] [stderr] Checking rand v0.3.15 [INFO] [stderr] Checking tokio-service v0.1.0 [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-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: 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] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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] [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] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 57.12s [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "c92b9877137a2ce8a3da66abca79681f0539d2f29fc7b5c725df405a65d4a1eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c92b9877137a2ce8a3da66abca79681f0539d2f29fc7b5c725df405a65d4a1eb", kill_on_drop: false }` [INFO] [stdout] c92b9877137a2ce8a3da66abca79681f0539d2f29fc7b5c725df405a65d4a1eb