[INFO] fetching crate bytes_chain 1.1.8...
[INFO] checking bytes_chain-1.1.8 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[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 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48421195e54f03491787f2b3b45f67673aea9739db2daa5447b92b74372016ca
[INFO] running `Command { std: "docker" "start" "-a" "48421195e54f03491787f2b3b45f67673aea9739db2daa5447b92b74372016ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48421195e54f03491787f2b3b45f67673aea9739db2daa5447b92b74372016ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48421195e54f03491787f2b3b45f67673aea9739db2daa5447b92b74372016ca", kill_on_drop: false }`
[INFO] [stdout] 48421195e54f03491787f2b3b45f67673aea9739db2daa5447b92b74372016ca
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2130e5dd9e5d17339aa42545240e4165ca8db2e82f621c8ccb94dced31021563
[INFO] running `Command { std: "docker" "start" "-a" "2130e5dd9e5d17339aa42545240e4165ca8db2e82f621c8ccb94dced31021563", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]     Checking byteorder v1.4.3
[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<T>(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]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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<T>(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]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 3.38s
[INFO] running `Command { std: "docker" "inspect" "2130e5dd9e5d17339aa42545240e4165ca8db2e82f621c8ccb94dced31021563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2130e5dd9e5d17339aa42545240e4165ca8db2e82f621c8ccb94dced31021563", kill_on_drop: false }`
[INFO] [stdout] 2130e5dd9e5d17339aa42545240e4165ca8db2e82f621c8ccb94dced31021563