[INFO] cloning repository https://github.com/evant/adp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/evant/adp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevant%2Fadp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevant%2Fadp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee4c901bf25e9a98c3c5560485f191b58f7c207f
[INFO] checking evant/adp against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevant%2Fadp" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/evant/adp 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/evant/adp
[INFO] finished tweaking git repo https://github.com/evant/adp
[INFO] tweaked toml for git repo https://github.com/evant/adp written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/evant/adp 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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 79fcd783dd3e8067f799d7d24f0dcb33042a1195ac7c07fe37f5ae30b33f6bd5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "79fcd783dd3e8067f799d7d24f0dcb33042a1195ac7c07fe37f5ae30b33f6bd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79fcd783dd3e8067f799d7d24f0dcb33042a1195ac7c07fe37f5ae30b33f6bd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79fcd783dd3e8067f799d7d24f0dcb33042a1195ac7c07fe37f5ae30b33f6bd5", kill_on_drop: false }`
[INFO] [stdout] 79fcd783dd3e8067f799d7d24f0dcb33042a1195ac7c07fe37f5ae30b33f6bd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 3ff847ce7a3f3971d374a3bbf0f41e12272e4a5fbaeb76a3726077c5e768ae9c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3ff847ce7a3f3971d374a3bbf0f41e12272e4a5fbaeb76a3726077c5e768ae9c", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling sysinfo v0.20.5
[INFO] [stderr]     Checking try-block v0.1.0
[INFO] [stderr]     Checking temp_testdir v0.2.3
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking process_control v3.1.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]     Checking retry v1.3.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling darling_core v0.12.4
[INFO] [stderr]    Compiling function_name-proc-macro v0.2.0
[INFO] [stderr]     Checking function_name v0.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling ambassador v0.2.1
[INFO] [stderr]    Compiling darling_macro v0.12.4
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking named-semaphore v0.1.0
[INFO] [stderr]     Checking adp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling darling v0.12.4
[INFO] [stderr]    Compiling derive_builder_core v0.10.2
[INFO] [stdout] warning: field is never read: `guard`
[INFO] [stdout]    --> src/main.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 107 |     guard: SemaphoreGuard<'a>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling derive_builder_macro v0.10.2
[INFO] [stderr]     Checking derive_builder v0.10.2
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]    --> src/lockfile.rs:127:27
[INFO] [stdout]     |
[INFO] [stdout] 127 |     use std::io::{Cursor, Read, Result, Write};
[INFO] [stdout]     |                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]    --> src/lockfile.rs:127:41
[INFO] [stdout]     |
[INFO] [stdout] 127 |     use std::io::{Cursor, Read, Result, Write};
[INFO] [stdout]     |                                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `guard`
[INFO] [stdout]    --> src/main.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 107 |     guard: SemaphoreGuard<'a>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "3ff847ce7a3f3971d374a3bbf0f41e12272e4a5fbaeb76a3726077c5e768ae9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ff847ce7a3f3971d374a3bbf0f41e12272e4a5fbaeb76a3726077c5e768ae9c", kill_on_drop: false }`
[INFO] [stdout] 3ff847ce7a3f3971d374a3bbf0f41e12272e4a5fbaeb76a3726077c5e768ae9c