[INFO] cloning repository https://github.com/fluencelabs/crate-versions-experiment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fluencelabs/crate-versions-experiment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffluencelabs%2Fcrate-versions-experiment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffluencelabs%2Fcrate-versions-experiment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e4996e3c8f084a72aa9e91ca60e07010629fac36
[INFO] testing fluencelabs/crate-versions-experiment against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffluencelabs%2Fcrate-versions-experiment" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fluencelabs/crate-versions-experiment on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fluencelabs/crate-versions-experiment
[INFO] removed workspace from git repo https://github.com/fluencelabs/crate-versions-experiment
[INFO] finished tweaking git repo https://github.com/fluencelabs/crate-versions-experiment
[INFO] tweaked toml for git repo https://github.com/fluencelabs/crate-versions-experiment written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/fluencelabs/crate-versions-experiment already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 408dd266021b4bc6f09dbea6d83b536ff85970b1effa0f0482630d8d2c7d0bc8
[INFO] running `Command { std: "docker" "start" "-a" "408dd266021b4bc6f09dbea6d83b536ff85970b1effa0f0482630d8d2c7d0bc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "408dd266021b4bc6f09dbea6d83b536ff85970b1effa0f0482630d8d2c7d0bc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "408dd266021b4bc6f09dbea6d83b536ff85970b1effa0f0482630d8d2c7d0bc8", kill_on_drop: false }`
[INFO] [stdout] 408dd266021b4bc6f09dbea6d83b536ff85970b1effa0f0482630d8d2c7d0bc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a973130edb2bd23a174784afedba7f1177d7be6b387dd7faac105c2ac281bca
[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" "0a973130edb2bd23a174784afedba7f1177d7be6b387dd7faac105c2ac281bca", kill_on_drop: false }`
[INFO] [stderr]    Compiling crate-version-experiment v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "0a973130edb2bd23a174784afedba7f1177d7be6b387dd7faac105c2ac281bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a973130edb2bd23a174784afedba7f1177d7be6b387dd7faac105c2ac281bca", kill_on_drop: false }`
[INFO] [stdout] 0a973130edb2bd23a174784afedba7f1177d7be6b387dd7faac105c2ac281bca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 89df0718578af19befa95c5fa792537b3ccd6b5e5fd7adaf32c1c6e9c5bc88a9
[INFO] running `Command { std: "docker" "start" "-a" "89df0718578af19befa95c5fa792537b3ccd6b5e5fd7adaf32c1c6e9c5bc88a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling crate-version-experiment v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "89df0718578af19befa95c5fa792537b3ccd6b5e5fd7adaf32c1c6e9c5bc88a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89df0718578af19befa95c5fa792537b3ccd6b5e5fd7adaf32c1c6e9c5bc88a9", kill_on_drop: false }`
[INFO] [stdout] 89df0718578af19befa95c5fa792537b3ccd6b5e5fd7adaf32c1c6e9c5bc88a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3461355ffef58f7166a5db68da5bfd722101b29a20df417d26d2f802c76efaf2
[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" "3461355ffef58f7166a5db68da5bfd722101b29a20df417d26d2f802c76efaf2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/crate_version_experiment-083d6eb37727f466
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests crate-version-experiment
[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] [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" "3461355ffef58f7166a5db68da5bfd722101b29a20df417d26d2f802c76efaf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3461355ffef58f7166a5db68da5bfd722101b29a20df417d26d2f802c76efaf2", kill_on_drop: false }`
[INFO] [stdout] 3461355ffef58f7166a5db68da5bfd722101b29a20df417d26d2f802c76efaf2