[INFO] cloning repository https://github.com/oshbec/grit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oshbec/grit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foshbec%2Fgrit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foshbec%2Fgrit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 53e9bc35a3b6d9db2160294887ce63636e9a6528
[INFO] checking oshbec/grit against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foshbec%2Fgrit" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oshbec/grit on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/oshbec/grit
[INFO] finished tweaking git repo https://github.com/oshbec/grit
[INFO] tweaked toml for git repo https://github.com/oshbec/grit written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/oshbec/grit 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-width v0.1.6
[INFO] [stderr]   Downloaded serde v1.0.100
[INFO] [stderr]   Downloaded hex v0.4.0
[INFO] [stderr]   Downloaded libflate v0.1.27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bef97c3f043bb7f2f3e6af9ef1f45d3cfe671fbefccb869cad6f3c2b1e5ef51
[INFO] running `Command { std: "docker" "start" "-a" "8bef97c3f043bb7f2f3e6af9ef1f45d3cfe671fbefccb869cad6f3c2b1e5ef51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bef97c3f043bb7f2f3e6af9ef1f45d3cfe671fbefccb869cad6f3c2b1e5ef51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bef97c3f043bb7f2f3e6af9ef1f45d3cfe671fbefccb869cad6f3c2b1e5ef51", kill_on_drop: false }`
[INFO] [stdout] 8bef97c3f043bb7f2f3e6af9ef1f45d3cfe671fbefccb869cad6f3c2b1e5ef51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eec3b3952215d5b7e21a0bc8838404a6f2f5ee6bfe83c8bbd179ce136b411094
[INFO] running `Command { std: "docker" "start" "-a" "eec3b3952215d5b7e21a0bc8838404a6f2f5ee6bfe83c8bbd179ce136b411094", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling serde v1.0.100
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking hex v0.4.0
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking grit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `user` and `committer` are never read
[INFO] [stdout]  --> src/config.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Config {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 4 |     pub user: User,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 5 |     pub author: User,
[INFO] [stdout] 6 |     pub committer: User,
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `show_file` is never used
[INFO] [stdout]   --> src/objects/mod.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub trait Object {
[INFO] [stdout]    |           ------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 70 |     fn show_file(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `blobs` is never read
[INFO] [stdout]  --> src/objects/tree.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Tree {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 7 |     blobs: Vec<Blob>,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Tree` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `user` and `committer` are never read
[INFO] [stdout]  --> src/config.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Config {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 4 |     pub user: User,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 5 |     pub author: User,
[INFO] [stdout] 6 |     pub committer: User,
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `show_file` is never used
[INFO] [stdout]   --> src/objects/mod.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub trait Object {
[INFO] [stdout]    |           ------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 70 |     fn show_file(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `blobs` is never read
[INFO] [stdout]  --> src/objects/tree.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Tree {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 7 |     blobs: Vec<Blob>,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Tree` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `Command { std: "docker" "inspect" "eec3b3952215d5b7e21a0bc8838404a6f2f5ee6bfe83c8bbd179ce136b411094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eec3b3952215d5b7e21a0bc8838404a6f2f5ee6bfe83c8bbd179ce136b411094", kill_on_drop: false }`
[INFO] [stdout] eec3b3952215d5b7e21a0bc8838404a6f2f5ee6bfe83c8bbd179ce136b411094