[INFO] fetching crate seek 0.1.0...
[INFO] checking seek-0.1.0 against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] extracting crate seek 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate seek 0.1.0
[INFO] finished tweaking crates.io crate seek 0.1.0
[INFO] tweaked toml for crates.io crate seek 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate seek 0.1.0 on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate seek 0.1.0 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a4ad0778a03c774b8be2d6b1222a2f9cc0171d1cbb42b8867adf8daaad49989
[INFO] running `Command { std: "docker" "start" "-a" "1a4ad0778a03c774b8be2d6b1222a2f9cc0171d1cbb42b8867adf8daaad49989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a4ad0778a03c774b8be2d6b1222a2f9cc0171d1cbb42b8867adf8daaad49989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a4ad0778a03c774b8be2d6b1222a2f9cc0171d1cbb42b8867adf8daaad49989", kill_on_drop: false }`
[INFO] [stdout] 1a4ad0778a03c774b8be2d6b1222a2f9cc0171d1cbb42b8867adf8daaad49989
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34643d42f8b4687b9da74c7d15d1af8cfe6b700c9b76a29dcd7851bb0bb386fb
[INFO] running `Command { std: "docker" "start" "-a" "34643d42f8b4687b9da74c7d15d1af8cfe6b700c9b76a29dcd7851bb0bb386fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]    Compiling serde_json v1.0.83
[INFO] [stderr]     Checking bytecount v0.6.3
[INFO] [stderr]     Checking once_cell v1.13.1
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking zeroize v1.5.7
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking papergrid v0.5.1
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking console v0.15.1
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking dialoguer v0.10.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tabled_derive v0.4.0
[INFO] [stderr]     Checking tabled v0.8.0
[INFO] [stderr]     Checking seek v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `p` is never read
[INFO] [stdout]   --> src/lib.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut p = String::new();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 37 |         p = path.to_string();
[INFO] [stdout]    |         - `p` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `p` is never read
[INFO] [stdout]    --> src/lib.rs:97:17
[INFO] [stdout]     |
[INFO] [stdout]  97 |     let mut p = String::new();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 108 |         p = path.to_string();
[INFO] [stdout]     |         - `p` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Path` is never constructed
[INFO] [stdout]    --> src/lib.rs:265:12
[INFO] [stdout]     |
[INFO] [stdout] 265 | pub struct Path {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `p` is never read
[INFO] [stdout]   --> src/lib.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut p = String::new();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 37 |         p = path.to_string();
[INFO] [stdout]    |         - `p` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `seek` (lib) due to 1 previous error; 2 warnings emitted
[INFO] [stdout] warning: value assigned to `p` is never read
[INFO] [stdout]    --> src/lib.rs:97:17
[INFO] [stdout]     |
[INFO] [stdout]  97 |     let mut p = String::new();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 108 |         p = path.to_string();
[INFO] [stdout]     |         - `p` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `Path` is never constructed
[INFO] [stdout]    --> src/lib.rs:265:12
[INFO] [stdout]     |
[INFO] [stdout] 265 | pub struct Path {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `seek` (lib test) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "34643d42f8b4687b9da74c7d15d1af8cfe6b700c9b76a29dcd7851bb0bb386fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34643d42f8b4687b9da74c7d15d1af8cfe6b700c9b76a29dcd7851bb0bb386fb", kill_on_drop: false }`
[INFO] [stdout] 34643d42f8b4687b9da74c7d15d1af8cfe6b700c9b76a29dcd7851bb0bb386fb
