[INFO] cloning repository https://github.com/vbe0201/kobold
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vbe0201/kobold" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvbe0201%2Fkobold", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvbe0201%2Fkobold'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8df95e555e18d48a89bbc3c9f166ef00bb80a063
[INFO] checking vbe0201/kobold against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvbe0201%2Fkobold" "/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/vbe0201/kobold on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vbe0201/kobold
[INFO] finished tweaking git repo https://github.com/vbe0201/kobold
[INFO] tweaked toml for git repo https://github.com/vbe0201/kobold written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/vbe0201/kobold 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c3311638e4a3c57bca8895f63dbae3dc3514bf9143ffff31c97f895300a0dd2
[INFO] running `Command { std: "docker" "start" "-a" "2c3311638e4a3c57bca8895f63dbae3dc3514bf9143ffff31c97f895300a0dd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c3311638e4a3c57bca8895f63dbae3dc3514bf9143ffff31c97f895300a0dd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c3311638e4a3c57bca8895f63dbae3dc3514bf9143ffff31c97f895300a0dd2", kill_on_drop: false }`
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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_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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bc343e4db256cbda4b8544e6aad6f62558a04dfa2dd3b54affe518292e34fcd
[INFO] running `Command { std: "docker" "start" "-a" "8bc343e4db256cbda4b8544e6aad6f62558a04dfa2dd3b54affe518292e34fcd", kill_on_drop: false }`
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[INFO] [stderr]     Checking katsuba-types v0.1.0 (/opt/rustwide/workdir/src/katsuba-types)
[INFO] [stderr]     Checking katsuba-object-property v0.1.0 (/opt/rustwide/workdir/src/katsuba-object-property)
[INFO] [stdout] warning: the item `Arc` is imported redundantly
[INFO] [stdout]  --> src/katsuba-object-property/src/serde/de.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 | use super::*;
[INFO] [stdout]   |     -------- the item `Arc` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TypeList` is imported redundantly
[INFO] [stdout]  --> src/katsuba-object-property/src/serde/de.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use katsuba_types::TypeList;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 | use super::*;
[INFO] [stdout]   |     -------- the item `TypeList` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Decompressor` is imported redundantly
[INFO] [stdout]  --> src/katsuba-object-property/src/serde/de.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use katsuba_utils::libdeflater::Decompressor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 7 |
[INFO] [stdout] 8 | use super::*;
[INFO] [stdout]   |     -------- the item `Decompressor` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Arc` is imported redundantly
[INFO] [stdout]  --> src/katsuba-object-property/src/serde/guess.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{mem, sync::Arc};
[INFO] [stdout]   |                ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 | use super::{utils::bits_to_bytes, *};
[INFO] [stdout]   |                                   - the item `Arc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TypeList` is imported redundantly
[INFO] [stdout]  --> src/katsuba-object-property/src/serde/guess.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use katsuba_types::TypeList;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 | use super::{utils::bits_to_bytes, *};
[INFO] [stdout]   |                                   - the item `TypeList` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Arc` is imported redundantly
[INFO] [stdout]  --> src/katsuba-object-property/src/serde/de.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 | use super::*;
[INFO] [stdout]   |     -------- the item `Arc` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TypeList` is imported redundantly
[INFO] [stdout]  --> src/katsuba-object-property/src/serde/de.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use katsuba_types::TypeList;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 | use super::*;
[INFO] [stdout]   |     -------- the item `TypeList` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Decompressor` is imported redundantly
[INFO] [stdout]  --> src/katsuba-object-property/src/serde/de.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use katsuba_utils::libdeflater::Decompressor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 7 |
[INFO] [stdout] 8 | use super::*;
[INFO] [stdout]   |     -------- the item `Decompressor` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Arc` is imported redundantly
[INFO] [stdout]  --> src/katsuba-object-property/src/serde/guess.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{mem, sync::Arc};
[INFO] [stdout]   |                ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 | use super::{utils::bits_to_bytes, *};
[INFO] [stdout]   |                                   - the item `Arc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TypeList` is imported redundantly
[INFO] [stdout]  --> src/katsuba-object-property/src/serde/guess.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use katsuba_types::TypeList;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 | use super::{utils::bits_to_bytes, *};
[INFO] [stdout]   |                                   - the item `TypeList` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tempfile v3.8.1
[INFO] [stderr]     Checking katsuba-wad v0.1.0 (/opt/rustwide/workdir/src/katsuba-wad)
[INFO] [stderr]     Checking katsuba-py v0.1.2 (/opt/rustwide/workdir/src/katsuba-py)
[INFO] [stderr]     Checking katsuba v0.8.5 (/opt/rustwide/workdir/src/katsuba)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/katsuba/src/cli/processor.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 |     File(&'a Path, io::BufReader<fs::File>),
[INFO] [stdout]    |     ---- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 21 |     File((), io::BufReader<fs::File>),
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/katsuba/src/cli/processor.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 |     File(&'a Path, io::BufReader<fs::File>),
[INFO] [stdout]    |     ---- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 21 |     File((), io::BufReader<fs::File>),
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.63s
[INFO] running `Command { std: "docker" "inspect" "8bc343e4db256cbda4b8544e6aad6f62558a04dfa2dd3b54affe518292e34fcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bc343e4db256cbda4b8544e6aad6f62558a04dfa2dd3b54affe518292e34fcd", kill_on_drop: false }`
[INFO] [stdout] 8bc343e4db256cbda4b8544e6aad6f62558a04dfa2dd3b54affe518292e34fcd