[INFO] cloning repository https://github.com/moilu/rust-sandbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/moilu/rust-sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoilu%2Frust-sandbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoilu%2Frust-sandbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aedddcf8a1bec59e16e646bd3a2a5197d890a900
[INFO] testing moilu/rust-sandbox against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoilu%2Frust-sandbox" "/workspace/builds/worker-87/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-87/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/moilu/rust-sandbox on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/moilu/rust-sandbox
[INFO] finished tweaking git repo https://github.com/moilu/rust-sandbox
[INFO] tweaked toml for git repo https://github.com/moilu/rust-sandbox written to /workspace/builds/worker-87/source/Cargo.toml
[INFO] crate git repo https://github.com/moilu/rust-sandbox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ad731835a017f44b56c9fab2c49641a5b4c2c139a0ded7f23a6d03ec8d80b9d
[INFO] running `Command { std: "docker" "start" "-a" "3ad731835a017f44b56c9fab2c49641a5b4c2c139a0ded7f23a6d03ec8d80b9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ad731835a017f44b56c9fab2c49641a5b4c2c139a0ded7f23a6d03ec8d80b9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ad731835a017f44b56c9fab2c49641a5b4c2c139a0ded7f23a6d03ec8d80b9d", kill_on_drop: false }`
[INFO] [stdout] 3ad731835a017f44b56c9fab2c49641a5b4c2c139a0ded7f23a6d03ec8d80b9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bdadbea09bce64ab566c81d7fb2e383dc9abaeb5b8bd4c068c9db02347cdf4d
[INFO] running `Command { std: "docker" "start" "-a" "4bdadbea09bce64ab566c81d7fb2e383dc9abaeb5b8bd4c068c9db02347cdf4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "4bdadbea09bce64ab566c81d7fb2e383dc9abaeb5b8bd4c068c9db02347cdf4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bdadbea09bce64ab566c81d7fb2e383dc9abaeb5b8bd4c068c9db02347cdf4d", kill_on_drop: false }`
[INFO] [stdout] 4bdadbea09bce64ab566c81d7fb2e383dc9abaeb5b8bd4c068c9db02347cdf4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fe0bd125040de106e555d6793177345421de9afcddc14390c79e784d8f29d6e
[INFO] running `Command { std: "docker" "start" "-a" "0fe0bd125040de106e555d6793177345421de9afcddc14390c79e784d8f29d6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "0fe0bd125040de106e555d6793177345421de9afcddc14390c79e784d8f29d6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fe0bd125040de106e555d6793177345421de9afcddc14390c79e784d8f29d6e", kill_on_drop: false }`
[INFO] [stdout] 0fe0bd125040de106e555d6793177345421de9afcddc14390c79e784d8f29d6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 501d91496f6211bb57ea138b5dec21398d99d57a9a47173f63cb63e37bac8f66
[INFO] running `Command { std: "docker" "start" "-a" "501d91496f6211bb57ea138b5dec21398d99d57a9a47173f63cb63e37bac8f66", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sandbox-1d8d784652e55e74)
[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" "501d91496f6211bb57ea138b5dec21398d99d57a9a47173f63cb63e37bac8f66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "501d91496f6211bb57ea138b5dec21398d99d57a9a47173f63cb63e37bac8f66", kill_on_drop: false }`
[INFO] [stdout] 501d91496f6211bb57ea138b5dec21398d99d57a9a47173f63cb63e37bac8f66