[INFO] cloning repository https://github.com/dherslof/fpermvw
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dherslof/fpermvw" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdherslof%2Ffpermvw", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdherslof%2Ffpermvw'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b24104aa8eba94868774ba9302d045e5b7e12fa5
[INFO] checking dherslof/fpermvw against try#c8085cfed34c45021fc8f66d073f6394b3e35431 for pr-148939
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdherslof%2Ffpermvw" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dherslof/fpermvw
[INFO] finished tweaking git repo https://github.com/dherslof/fpermvw
[INFO] tweaked toml for git repo https://github.com/dherslof/fpermvw written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dherslof/fpermvw on toolchain c8085cfed34c45021fc8f66d073f6394b3e35431
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dherslof/fpermvw 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" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking dherslof/fpermvw against try#c8085cfed34c45021fc8f66d073f6394b3e35431 for pr-148939
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdherslof%2Ffpermvw" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dherslof/fpermvw
[INFO] finished tweaking git repo https://github.com/dherslof/fpermvw
[INFO] tweaked toml for git repo https://github.com/dherslof/fpermvw written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dherslof/fpermvw on toolchain c8085cfed34c45021fc8f66d073f6394b3e35431
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dherslof/fpermvw 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" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prettytable-rs v0.8.0
[INFO] [stderr]   Downloaded backtrace v0.3.45
[INFO] [stderr]   Downloaded regex-automata v0.1.9
[INFO] [stderr]   Downloaded bstr v0.2.12
[INFO] [stderr]   Downloaded backtrace-sys v0.1.34
[INFO] [stderr]   Downloaded csv v1.1.3
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d1ba0722bc33d855f3af939700e71f0e4f6ca61629036be5835ed93ae7c01fe
[INFO] running `Command { std: "docker" "start" "-a" "5d1ba0722bc33d855f3af939700e71f0e4f6ca61629036be5835ed93ae7c01fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d1ba0722bc33d855f3af939700e71f0e4f6ca61629036be5835ed93ae7c01fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d1ba0722bc33d855f3af939700e71f0e4f6ca61629036be5835ed93ae7c01fe", kill_on_drop: false }`
[INFO] [stdout] 5d1ba0722bc33d855f3af939700e71f0e4f6ca61629036be5835ed93ae7c01fe
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4db36ba28b16cf64f2f05430f586461a723926175372a618a41df389357b8cec
[INFO] running `Command { std: "docker" "start" "-a" "4db36ba28b16cf64f2f05430f586461a723926175372a618a41df389357b8cec", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling backtrace-sys v0.1.34
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking backtrace v0.3.45
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking fpermvw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `num` is never read
[INFO] [stdout]   --> src/permissions.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct FilePermission {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 31 |     num: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FilePermission` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/utils.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 |     InvalidInput(String),
[INFO] [stdout]    |     ------------ ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UtilsError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 11 -     InvalidInput(String),
[INFO] [stdout] 11 +     InvalidInput(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `num` is never read
[INFO] [stdout]   --> src/permissions.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct FilePermission {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 31 |     num: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FilePermission` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/utils.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 |     InvalidInput(String),
[INFO] [stdout]    |     ------------ ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UtilsError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 11 -     InvalidInput(String),
[INFO] [stdout] 11 +     InvalidInput(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.99s
[INFO] running `Command { std: "docker" "inspect" "4db36ba28b16cf64f2f05430f586461a723926175372a618a41df389357b8cec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4db36ba28b16cf64f2f05430f586461a723926175372a618a41df389357b8cec", kill_on_drop: false }`
[INFO] [stdout] 4db36ba28b16cf64f2f05430f586461a723926175372a618a41df389357b8cec