[INFO] fetching crate bissel 0.2.0...
[INFO] checking bissel-0.2.0 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate bissel 0.2.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate bissel 0.2.0 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bissel 0.2.0
[INFO] finished tweaking crates.io crate bissel 0.2.0
[INFO] tweaked toml for crates.io crate bissel 0.2.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate bissel 0.2.0 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" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee23b55a3bea6f04c7003c9bfcdf6f0076cd87b17a7b9c36daeb2734a7c671d3
[INFO] running `Command { std: "docker" "start" "-a" "ee23b55a3bea6f04c7003c9bfcdf6f0076cd87b17a7b9c36daeb2734a7c671d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee23b55a3bea6f04c7003c9bfcdf6f0076cd87b17a7b9c36daeb2734a7c671d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee23b55a3bea6f04c7003c9bfcdf6f0076cd87b17a7b9c36daeb2734a7c671d3", kill_on_drop: false }`
[INFO] [stdout] ee23b55a3bea6f04c7003c9bfcdf6f0076cd87b17a7b9c36daeb2734a7c671d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35fb035cf66db18c8eb2543592188597311322b167f73e2b62bec3f0fcfc93d9
[INFO] running `Command { std: "docker" "start" "-a" "35fb035cf66db18c8eb2543592188597311322b167f73e2b62bec3f0fcfc93d9", kill_on_drop: false }`
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[INFO] [stderr]    Compiling pnet_macros v0.29.0
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[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]     Checking tokio v1.16.1
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking pnet_packet v0.29.0
[INFO] [stderr]     Checking pnet_transport v0.29.0
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[INFO] [stderr]     Checking bissel v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]   --> src/host/config.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::result::Result;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Result` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]   --> src/host/config.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::result::Result;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Result` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]  --> src/node/config.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::result::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Result` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/node/idle.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use alloc::vec::Vec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]  --> src/node/subscription.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::result::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Result` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]  --> src/node/config.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::result::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Result` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::node::active::*`
[INFO] [stdout]  --> src/node/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use crate::node::active::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/node/idle.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use alloc::vec::Vec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::node::idle::*`
[INFO] [stdout]  --> src/node/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use crate::node::idle::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::node::subscription::*`
[INFO] [stdout]  --> src/node/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use crate::node::subscription::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]  --> src/node/subscription.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::result::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Result` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Sync` is imported redundantly
[INFO] [stdout]   --> src/node/mod.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 | use std::marker::{PhantomData, Sync};
[INFO] [stdout]    |                                ^^^^
[INFO] [stdout]   --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Sync` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::node::active::*`
[INFO] [stdout]  --> src/node/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use crate::node::active::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/node/mod.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use alloc::vec::Vec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::node::idle::*`
[INFO] [stdout]  --> src/node/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use crate::node::idle::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::node::subscription::*`
[INFO] [stdout]  --> src/node/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use crate::node::subscription::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Sync` is imported redundantly
[INFO] [stdout]   --> src/node/mod.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 | use std::marker::{PhantomData, Sync};
[INFO] [stdout]    |                                ^^^^
[INFO] [stdout]   --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Sync` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/node/mod.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use alloc::vec::Vec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `name` is never read
[INFO] [stdout]    --> src/host/host.rs:136:13
[INFO] [stdout]     |
[INFO] [stdout] 136 |     let mut name: String = String::with_capacity(max_name_size);
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `name` is never read
[INFO] [stdout]    --> src/host/host.rs:136:13
[INFO] [stdout]     |
[INFO] [stdout] 136 |     let mut name: String = String::with_capacity(max_name_size);
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/node/active.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 43 | /                 match stream.try_read(&mut buf) {
[INFO] [stdout] 44 | |                     Ok(0) => continue,
[INFO] [stdout] 45 | |                     Ok(n) => {
[INFO] [stdout] 46 | |                         let bytes = &buf[..n];
[INFO] [stdout] ...  |
[INFO] [stdout] 60 | |                     }
[INFO] [stdout] 61 | |                 }
[INFO] [stdout]    | |_________________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 62 |               }
[INFO] [stdout] 63 |               Ok(())
[INFO] [stdout]    |               ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/node/active.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 43 | /                 match stream.try_read(&mut buf) {
[INFO] [stdout] 44 | |                     Ok(0) => continue,
[INFO] [stdout] 45 | |                     Ok(n) => {
[INFO] [stdout] 46 | |                         let bytes = &buf[..n];
[INFO] [stdout] ...  |
[INFO] [stdout] 60 | |                     }
[INFO] [stdout] 61 | |                 }
[INFO] [stdout]    | |_________________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 62 |               }
[INFO] [stdout] 63 |               Ok(())
[INFO] [stdout]    |               ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> tests/postcard.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use alloc::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.68s
[INFO] running `Command { std: "docker" "inspect" "35fb035cf66db18c8eb2543592188597311322b167f73e2b62bec3f0fcfc93d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35fb035cf66db18c8eb2543592188597311322b167f73e2b62bec3f0fcfc93d9", kill_on_drop: false }`
[INFO] [stdout] 35fb035cf66db18c8eb2543592188597311322b167f73e2b62bec3f0fcfc93d9
