[INFO] cloning repository https://github.com/Dlacreme/clear
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dlacreme/clear" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDlacreme%2Fclear", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDlacreme%2Fclear'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c3d661ead48e77d602073d2ddb7bf4aa3303a101
[INFO] checking Dlacreme/clear against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDlacreme%2Fclear" "/workspace/builds/worker-31/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-31/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Dlacreme/clear on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Dlacreme/clear
[INFO] finished tweaking git repo https://github.com/Dlacreme/clear
[INFO] tweaked toml for git repo https://github.com/Dlacreme/clear written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate git repo https://github.com/Dlacreme/clear already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87cb073fec1b29a26c7286201c46c1a9a0b77eb15af323c533bd0fc30363675b
[INFO] running `Command { std: "docker" "start" "-a" "87cb073fec1b29a26c7286201c46c1a9a0b77eb15af323c533bd0fc30363675b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87cb073fec1b29a26c7286201c46c1a9a0b77eb15af323c533bd0fc30363675b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87cb073fec1b29a26c7286201c46c1a9a0b77eb15af323c533bd0fc30363675b", kill_on_drop: false }`
[INFO] [stdout] 87cb073fec1b29a26c7286201c46c1a9a0b77eb15af323c533bd0fc30363675b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfff19f371bbf951a61fe91711f438bea0a75faf24a7f005ab81cac15c443c41
[INFO] running `Command { std: "docker" "start" "-a" "cfff19f371bbf951a61fe91711f438bea0a75faf24a7f005ab81cac15c443c41", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking pest v2.1.2
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling llvm-sys v90.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking clear v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `kind`
[INFO] [stdout]   --> src/ast/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     kind: Kind,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `loc`
[INFO] [stdout]   --> src/ast/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     loc: Location,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `line`
[INFO] [stdout]   --> src/ast/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     line: i32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pos`
[INFO] [stdout]   --> src/ast/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pos: i32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `kind`
[INFO] [stdout]   --> src/ast/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     kind: Kind,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `loc`
[INFO] [stdout]   --> src/ast/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     loc: Location,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `line`
[INFO] [stdout]   --> src/ast/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     line: i32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pos`
[INFO] [stdout]   --> src/ast/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pos: i32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "cfff19f371bbf951a61fe91711f438bea0a75faf24a7f005ab81cac15c443c41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfff19f371bbf951a61fe91711f438bea0a75faf24a7f005ab81cac15c443c41", kill_on_drop: false }`
[INFO] [stdout] cfff19f371bbf951a61fe91711f438bea0a75faf24a7f005ab81cac15c443c41