[INFO] fetching crate bytes_chain 1.1.8... [INFO] checking bytes_chain-1.1.8 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] extracting crate bytes_chain 1.1.8 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate bytes_chain 1.1.8 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate bytes_chain 1.1.8 [INFO] finished tweaking crates.io crate bytes_chain 1.1.8 [INFO] tweaked toml for crates.io crate bytes_chain 1.1.8 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a805c360b11e3a8b143f85c7dabab7cc3cd79495dd2d1bc05ada86cce601ca9d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "a805c360b11e3a8b143f85c7dabab7cc3cd79495dd2d1bc05ada86cce601ca9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a805c360b11e3a8b143f85c7dabab7cc3cd79495dd2d1bc05ada86cce601ca9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a805c360b11e3a8b143f85c7dabab7cc3cd79495dd2d1bc05ada86cce601ca9d", kill_on_drop: false }` [INFO] [stdout] a805c360b11e3a8b143f85c7dabab7cc3cd79495dd2d1bc05ada86cce601ca9d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 520f08d62c5d682390e4663e81713b0b3f22ddf5bab82ff5ee94085a311eb15a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "520f08d62c5d682390e4663e81713b0b3f22ddf5bab82ff5ee94085a311eb15a", kill_on_drop: false }` [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking bytes_chain v1.1.8 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `NumberAble` is imported redundantly [INFO] [stdout] --> src/buffer.rs:141:13 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::NumberAble; [INFO] [stdout] | ----------------- the item `NumberAble` is already imported here [INFO] [stdout] ... [INFO] [stdout] 141 | use crate::NumberAble; [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/number.rs:77:16 [INFO] [stdout] | [INFO] [stdout] 77 | fn tf(buf: &NumberAble, i: usize) -> T [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn NumberAble` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `NumberAble` is imported redundantly [INFO] [stdout] --> src/buffer.rs:141:13 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::NumberAble; [INFO] [stdout] | ----------------- the item `NumberAble` is already imported here [INFO] [stdout] ... [INFO] [stdout] 141 | use crate::NumberAble; [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/number.rs:77:16 [INFO] [stdout] | [INFO] [stdout] 77 | fn tf(buf: &NumberAble, i: usize) -> T [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn NumberAble` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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 [unoptimized + debuginfo] target(s) in 1.07s [INFO] running `Command { std: "docker" "inspect" "520f08d62c5d682390e4663e81713b0b3f22ddf5bab82ff5ee94085a311eb15a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "520f08d62c5d682390e4663e81713b0b3f22ddf5bab82ff5ee94085a311eb15a", kill_on_drop: false }` [INFO] [stdout] 520f08d62c5d682390e4663e81713b0b3f22ddf5bab82ff5ee94085a311eb15a