[INFO] cloning repository https://github.com/triangle-rustaceans/tokio-hops [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/triangle-rustaceans/tokio-hops" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftriangle-rustaceans%2Ftokio-hops", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftriangle-rustaceans%2Ftokio-hops'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 808f36192fab92f20d970facd4fc0215fb6ac4ee [INFO] checking triangle-rustaceans/tokio-hops against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftriangle-rustaceans%2Ftokio-hops" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/triangle-rustaceans/tokio-hops 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/triangle-rustaceans/tokio-hops [INFO] finished tweaking git repo https://github.com/triangle-rustaceans/tokio-hops [INFO] tweaked toml for git repo https://github.com/triangle-rustaceans/tokio-hops written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/triangle-rustaceans/tokio-hops 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 log v0.4.1 [INFO] [stderr] Downloaded tokio-udp v0.1.0 [INFO] [stderr] Downloaded tokio-io v0.1.6 [INFO] [stderr] Downloaded byteorder v1.2.2 [INFO] [stderr] Downloaded bytes v0.4.7 [INFO] [stderr] Downloaded atty v0.2.10 [INFO] [stderr] Downloaded nodrop v0.1.12 [INFO] [stderr] Downloaded textwrap v0.9.0 [INFO] [stderr] Downloaded redox_syscall v0.1.37 [INFO] [stderr] Downloaded unicode-width v0.1.4 [INFO] [stderr] Downloaded clap v2.31.2 [INFO] [stderr] Downloaded mio v0.6.14 [INFO] [stderr] Downloaded libc v0.2.40 [INFO] [stderr] Downloaded serde_json v1.0.17 [INFO] [stderr] Downloaded winapi v0.3.4 [INFO] [stderr] Downloaded lazy_static v1.0.0 [INFO] [stderr] Downloaded crossbeam-epoch v0.4.1 [INFO] [stderr] Downloaded crossbeam-utils v0.3.2 [INFO] [stderr] Downloaded rand v0.4.2 [INFO] [stderr] Downloaded tokio-threadpool v0.1.3 [INFO] [stderr] Downloaded tokio-timer v0.2.3 [INFO] [stderr] Downloaded lazycell v0.6.0 [INFO] [stderr] Downloaded syn v0.13.7 [INFO] [stderr] Downloaded tokio-executor v0.1.2 [INFO] [stderr] Downloaded futures v0.1.21 [INFO] [stderr] Downloaded strsim v0.7.0 [INFO] [stderr] Downloaded vec_map v0.8.0 [INFO] [stderr] Downloaded proc-macro2 v0.3.8 [INFO] [stderr] Downloaded quote v0.5.2 [INFO] [stderr] Downloaded serde_derive v1.0.50 [INFO] [stderr] Downloaded serde v1.0.50 [INFO] [stderr] Downloaded tokio-reactor v0.1.1 [INFO] [stderr] Downloaded arrayvec v0.4.7 [INFO] [stderr] Downloaded crossbeam-deque v0.3.1 [INFO] [stderr] Downloaded tokio-fs v0.1.0 [INFO] [stderr] Downloaded tokio-tcp v0.1.0 [INFO] [stderr] Downloaded bitflags v1.0.3 [INFO] [stderr] Downloaded net2 v0.2.32 [INFO] [stderr] Downloaded slab v0.4.0 [INFO] [stderr] Downloaded tokio v0.1.6 [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] 27acf37c96ce3fc15c5eb74d284d97e83ee62873e4619c5647055b125475fd04 [INFO] running `Command { std: "docker" "start" "-a" "27acf37c96ce3fc15c5eb74d284d97e83ee62873e4619c5647055b125475fd04", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "27acf37c96ce3fc15c5eb74d284d97e83ee62873e4619c5647055b125475fd04", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27acf37c96ce3fc15c5eb74d284d97e83ee62873e4619c5647055b125475fd04", kill_on_drop: false }` [INFO] [stdout] 27acf37c96ce3fc15c5eb74d284d97e83ee62873e4619c5647055b125475fd04 [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] a7bac95614d1bd673e87bc231cb9cdf6df7d119d706670c5d83defd8ce0ada63 [INFO] running `Command { std: "docker" "start" "-a" "a7bac95614d1bd673e87bc231cb9cdf6df7d119d706670c5d83defd8ce0ada63", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.40 [INFO] [stderr] Checking cfg-if v0.1.3 [INFO] [stderr] Checking futures v0.1.21 [INFO] [stderr] Checking byteorder v1.2.2 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking slab v0.4.0 [INFO] [stderr] Checking lazycell v0.6.0 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking crossbeam-utils v0.3.2 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling proc-macro2 v0.3.8 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking vec_map v0.8.0 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Checking dtoa v0.4.2 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking crossbeam-epoch v0.4.1 [INFO] [stderr] Checking serde v1.0.50 [INFO] [stderr] Checking bitflags v1.0.3 [INFO] [stderr] Checking itoa v0.4.1 [INFO] [stderr] Compiling quote v0.5.2 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking net2 v0.2.32 [INFO] [stderr] Checking crossbeam-deque v0.3.1 [INFO] [stderr] Checking bytes v0.4.7 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Compiling syn v0.13.7 [INFO] [stderr] Checking atty v0.2.10 [INFO] [stderr] Checking mio v0.6.14 [INFO] [stderr] Checking clap v2.31.2 [INFO] [stderr] Checking tokio-executor v0.1.2 [INFO] [stderr] Checking tokio-io v0.1.6 [INFO] [stderr] Checking tokio-threadpool v0.1.3 [INFO] [stderr] Checking tokio-timer v0.2.3 [INFO] [stderr] Checking tokio-reactor v0.1.1 [INFO] [stderr] Checking tokio-tcp v0.1.0 [INFO] [stderr] Checking tokio-udp v0.1.0 [INFO] [stderr] Checking tokio-fs v0.1.0 [INFO] [stderr] Checking tokio v0.1.6 [INFO] [stderr] Compiling serde_derive v1.0.50 [INFO] [stderr] Checking serde_json v1.0.17 [INFO] [stderr] Checking hops v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:121:29 [INFO] [stdout] | [INFO] [stdout] 121 | fn main() -> Result<(), Box> { [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] 121 | fn main() -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:121:29 [INFO] [stdout] | [INFO] [stdout] 121 | fn main() -> Result<(), Box> { [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] 121 | fn main() -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.48s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.13.7 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4` [INFO] running `Command { std: "docker" "inspect" "a7bac95614d1bd673e87bc231cb9cdf6df7d119d706670c5d83defd8ce0ada63", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7bac95614d1bd673e87bc231cb9cdf6df7d119d706670c5d83defd8ce0ada63", kill_on_drop: false }` [INFO] [stdout] a7bac95614d1bd673e87bc231cb9cdf6df7d119d706670c5d83defd8ce0ada63