[INFO] cloning repository https://github.com/timnewsham/demors-gh
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/timnewsham/demors-gh" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimnewsham%2Fdemors-gh", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimnewsham%2Fdemors-gh'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2744cf1c7869c2a5a01b5423680ab339d3f168e6
[INFO] checking timnewsham/demors-gh/2744cf1c7869c2a5a01b5423680ab339d3f168e6 against try#8c500c7cefd54fd11d57295f3771d576be9ee415 for pr-145113
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimnewsham%2Fdemors-gh" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/timnewsham/demors-gh
[INFO] finished tweaking git repo https://github.com/timnewsham/demors-gh
[INFO] tweaked toml for git repo https://github.com/timnewsham/demors-gh written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/timnewsham/demors-gh on toolchain 8c500c7cefd54fd11d57295f3771d576be9ee415
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/timnewsham/demors-gh 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" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking timnewsham/demors-gh/2744cf1c7869c2a5a01b5423680ab339d3f168e6 against try#8c500c7cefd54fd11d57295f3771d576be9ee415 for pr-145113
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimnewsham%2Fdemors-gh" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/timnewsham/demors-gh
[INFO] finished tweaking git repo https://github.com/timnewsham/demors-gh
[INFO] tweaked toml for git repo https://github.com/timnewsham/demors-gh written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/timnewsham/demors-gh on toolchain 8c500c7cefd54fd11d57295f3771d576be9ee415
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/timnewsham/demors-gh 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" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking timnewsham/demors-gh/2744cf1c7869c2a5a01b5423680ab339d3f168e6 against try#8c500c7cefd54fd11d57295f3771d576be9ee415 for pr-145113
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimnewsham%2Fdemors-gh" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/timnewsham/demors-gh
[INFO] finished tweaking git repo https://github.com/timnewsham/demors-gh
[INFO] tweaked toml for git repo https://github.com/timnewsham/demors-gh written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/timnewsham/demors-gh on toolchain 8c500c7cefd54fd11d57295f3771d576be9ee415
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/timnewsham/demors-gh 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" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking timnewsham/demors-gh/2744cf1c7869c2a5a01b5423680ab339d3f168e6 against try#8c500c7cefd54fd11d57295f3771d576be9ee415 for pr-145113
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimnewsham%2Fdemors-gh" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/timnewsham/demors-gh
[INFO] finished tweaking git repo https://github.com/timnewsham/demors-gh
[INFO] tweaked toml for git repo https://github.com/timnewsham/demors-gh written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/timnewsham/demors-gh on toolchain 8c500c7cefd54fd11d57295f3771d576be9ee415
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/timnewsham/demors-gh 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" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fuser v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c7c0952f3a0e7ddbd40c9181be24e0d5be5a1dfbbc5b6cfd9cf9f05c49a0637
[INFO] running `Command { std: "docker" "start" "-a" "4c7c0952f3a0e7ddbd40c9181be24e0d5be5a1dfbbc5b6cfd9cf9f05c49a0637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c7c0952f3a0e7ddbd40c9181be24e0d5be5a1dfbbc5b6cfd9cf9f05c49a0637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c7c0952f3a0e7ddbd40c9181be24e0d5be5a1dfbbc5b6cfd9cf9f05c49a0637", kill_on_drop: false }`
[INFO] [stdout] 4c7c0952f3a0e7ddbd40c9181be24e0d5be5a1dfbbc5b6cfd9cf9f05c49a0637
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cce6ce5b040c23136f5b926bdb65faaa8c4e207671b6fcc245fe59cb7d8a9f3d
[INFO] running `Command { std: "docker" "start" "-a" "cce6ce5b040c23136f5b926bdb65faaa8c4e207671b6fcc245fe59cb7d8a9f3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]    Compiling fuser v0.7.0
[INFO] [stderr]     Checking users v0.11.0
[INFO] [stderr]     Checking page_size v0.4.2
[INFO] [stderr]     Checking demors v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `get_attr` and `to_file` are never used
[INFO] [stdout]   --> src/fs.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub trait Elem {
[INFO] [stdout]    |           ---- methods in this trait
[INFO] [stdout] 43 |     fn get_attr(&self) -> &FileAttr;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn to_file(&self) -> Option<&File> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `attr` is never read
[INFO] [stdout]   --> src/fs.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub struct Dir {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 62 |     attr: FileAttr,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Dir` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `attr` is never read
[INFO] [stdout]    --> src/fs.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout]  99 | pub struct File {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 100 |     attr: FileAttr,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `File` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_file` is never used
[INFO] [stdout]   --> src/fs.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub trait Elem {
[INFO] [stdout]    |           ---- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn to_file(&self) -> Option<&File> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.48s
[INFO] running `Command { std: "docker" "inspect" "cce6ce5b040c23136f5b926bdb65faaa8c4e207671b6fcc245fe59cb7d8a9f3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cce6ce5b040c23136f5b926bdb65faaa8c4e207671b6fcc245fe59cb7d8a9f3d", kill_on_drop: false }`
[INFO] [stdout] cce6ce5b040c23136f5b926bdb65faaa8c4e207671b6fcc245fe59cb7d8a9f3d