[INFO] cloning repository https://github.com/meysam81/albert
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/meysam81/albert" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeysam81%2Falbert", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeysam81%2Falbert'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6aa304dac48f6835302e62fdd048d01be9b3e804
[INFO] checking meysam81/albert against master#419b3e2d3e350822550eee0e82eeded4d324d584 for pr-135536
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeysam81%2Falbert" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/meysam81/albert on toolchain 419b3e2d3e350822550eee0e82eeded4d324d584
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+419b3e2d3e350822550eee0e82eeded4d324d584" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/meysam81/albert
[INFO] finished tweaking git repo https://github.com/meysam81/albert
[INFO] tweaked toml for git repo https://github.com/meysam81/albert written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/meysam81/albert 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" "+419b3e2d3e350822550eee0e82eeded4d324d584" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+419b3e2d3e350822550eee0e82eeded4d324d584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e41bb1d054cab210c4c2b8d999057c943b7ddc943f8259ce963678550b30d7f
[INFO] running `Command { std: "docker" "start" "-a" "1e41bb1d054cab210c4c2b8d999057c943b7ddc943f8259ce963678550b30d7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e41bb1d054cab210c4c2b8d999057c943b7ddc943f8259ce963678550b30d7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e41bb1d054cab210c4c2b8d999057c943b7ddc943f8259ce963678550b30d7f", kill_on_drop: false }`
[INFO] [stdout] 1e41bb1d054cab210c4c2b8d999057c943b7ddc943f8259ce963678550b30d7f
[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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+419b3e2d3e350822550eee0e82eeded4d324d584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2fe9f02b867c402bd20d2de1f63e0d190555867358cfbc67a9bfd6c053f7356
[INFO] running `Command { std: "docker" "start" "-a" "d2fe9f02b867c402bd20d2de1f63e0d190555867358cfbc67a9bfd6c053f7356", kill_on_drop: false }`
[INFO] [stderr]     Checking albert v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Eq`
[INFO] [stdout]  --> src/operators.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{Eq, Ordering, PartialEq, PartialOrd};
[INFO] [stdout]   |                ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Eq`
[INFO] [stdout]  --> src/operators.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{Eq, Ordering, PartialEq, PartialOrd};
[INFO] [stdout]   |                ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Addition` is never constructed
[INFO] [stdout]  --> src/operators.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Addition<T>
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Negation` is never constructed
[INFO] [stdout]   --> src/operators.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Negation<T>
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Multiplication` is never constructed
[INFO] [stdout]   --> src/operators.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Multiplication {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Division` is never constructed
[INFO] [stdout]   --> src/operators.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Division {}
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Math` is never used
[INFO] [stdout]  --> src/traits.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait Math {
[INFO] [stdout]   |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `op1` and `op2` are never read
[INFO] [stdout]  --> src/operators.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Addition<T>
[INFO] [stdout]   |        -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7 |     op1: T,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 8 |     op2: T,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `op1` and `op2` are never read
[INFO] [stdout]   --> src/operators.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Negation<T>
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     op1: T,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 16 |     op2: T,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Multiplication` is never constructed
[INFO] [stdout]   --> src/operators.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Multiplication {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Division` is never constructed
[INFO] [stdout]   --> src/operators.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Division {}
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Math` is never used
[INFO] [stdout]  --> src/traits.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait Math {
[INFO] [stdout]   |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "d2fe9f02b867c402bd20d2de1f63e0d190555867358cfbc67a9bfd6c053f7356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2fe9f02b867c402bd20d2de1f63e0d190555867358cfbc67a9bfd6c053f7356", kill_on_drop: false }`
[INFO] [stdout] d2fe9f02b867c402bd20d2de1f63e0d190555867358cfbc67a9bfd6c053f7356