[INFO] cloning repository https://github.com/mkmik/flayers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mkmik/flayers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkmik%2Fflayers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkmik%2Fflayers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea58dc89a08edd72d23c7ce5640e63018ed77abf
[INFO] testing mkmik/flayers against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkmik%2Fflayers" "/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/mkmik/flayers on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mkmik/flayers
[INFO] finished tweaking git repo https://github.com/mkmik/flayers
[INFO] tweaked toml for git repo https://github.com/mkmik/flayers written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/mkmik/flayers already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e7dc9ec6ea697df2d374e6110d48198f1d439d8927577c5c903c833f32137488
[INFO] running `Command { std: "docker" "start" "-a" "e7dc9ec6ea697df2d374e6110d48198f1d439d8927577c5c903c833f32137488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7dc9ec6ea697df2d374e6110d48198f1d439d8927577c5c903c833f32137488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7dc9ec6ea697df2d374e6110d48198f1d439d8927577c5c903c833f32137488", kill_on_drop: false }`
[INFO] [stdout] e7dc9ec6ea697df2d374e6110d48198f1d439d8927577c5c903c833f32137488
[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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d5b234c26e6bbebaf59ff00e4b0ca466d07ead760589ce5b552a5d744d0b2037
[INFO] running `Command { std: "docker" "start" "-a" "d5b234c26e6bbebaf59ff00e4b0ca466d07ead760589ce5b552a5d744d0b2037", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.122
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling slab v0.4.6
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling ipnet v2.4.0
[INFO] [stderr]    Compiling tracing-core v0.1.24
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling miniz_oxide v0.5.1
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling mio v0.8.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.15
[INFO] [stderr]    Compiling flate2 v1.0.23
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling tar v0.4.38
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.20
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling tracing v0.1.33
[INFO] [stderr]    Compiling tokio-util v0.7.1
[INFO] [stderr]    Compiling h2 v0.3.13
[INFO] [stderr]    Compiling hyper v0.14.18
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.10
[INFO] [stderr]    Compiling flayers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 49s
[INFO] running `Command { std: "docker" "inspect" "d5b234c26e6bbebaf59ff00e4b0ca466d07ead760589ce5b552a5d744d0b2037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5b234c26e6bbebaf59ff00e4b0ca466d07ead760589ce5b552a5d744d0b2037", kill_on_drop: false }`
[INFO] [stdout] d5b234c26e6bbebaf59ff00e4b0ca466d07ead760589ce5b552a5d744d0b2037
[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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b28673f92d5686dc343ebecc124292bbc09b5a20ca0460c3d8dbb4734229e30c
[INFO] running `Command { std: "docker" "start" "-a" "b28673f92d5686dc343ebecc124292bbc09b5a20ca0460c3d8dbb4734229e30c", kill_on_drop: false }`
[INFO] [stderr]    Compiling flayers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.81s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/flayers-6014d85e9db1a172)
[INFO] running `Command { std: "docker" "inspect" "b28673f92d5686dc343ebecc124292bbc09b5a20ca0460c3d8dbb4734229e30c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b28673f92d5686dc343ebecc124292bbc09b5a20ca0460c3d8dbb4734229e30c", kill_on_drop: false }`
[INFO] [stdout] b28673f92d5686dc343ebecc124292bbc09b5a20ca0460c3d8dbb4734229e30c
[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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0c4aa1efc93c253da164b8f074a1330e63ae2c5763eedd7ddcc77aed09a108c9
[INFO] running `Command { std: "docker" "start" "-a" "0c4aa1efc93c253da164b8f074a1330e63ae2c5763eedd7ddcc77aed09a108c9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/flayers-6014d85e9db1a172)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0c4aa1efc93c253da164b8f074a1330e63ae2c5763eedd7ddcc77aed09a108c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c4aa1efc93c253da164b8f074a1330e63ae2c5763eedd7ddcc77aed09a108c9", kill_on_drop: false }`
[INFO] [stdout] 0c4aa1efc93c253da164b8f074a1330e63ae2c5763eedd7ddcc77aed09a108c9