[INFO] fetching crate serial_pipe 0.1.0...
[INFO] testing serial_pipe-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate serial_pipe 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate serial_pipe 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serial_pipe 0.1.0
[INFO] finished tweaking crates.io crate serial_pipe 0.1.0
[INFO] tweaked toml for crates.io crate serial_pipe 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate serial_pipe 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded signal-hook v0.3.13
[INFO] [stderr]   Downloaded ebacktrace v0.4.0
[INFO] [stderr]   Downloaded libc v0.2.117
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ac0807b9150b50d4aa9c723a96143913f5f4f5a4070279e91612ef186fc6721
[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" "2ac0807b9150b50d4aa9c723a96143913f5f4f5a4070279e91612ef186fc6721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ac0807b9150b50d4aa9c723a96143913f5f4f5a4070279e91612ef186fc6721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ac0807b9150b50d4aa9c723a96143913f5f4f5a4070279e91612ef186fc6721", kill_on_drop: false }`
[INFO] [stdout] 2ac0807b9150b50d4aa9c723a96143913f5f4f5a4070279e91612ef186fc6721
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.60.0" "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] 7b1c4bfd811accdabe3faab24b6b535c64e68b85ab57047e21e28d2a2c64f006
[INFO] running `Command { std: "docker" "start" "-a" "7b1c4bfd811accdabe3faab24b6b535c64e68b85ab57047e21e28d2a2c64f006", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling serial_pipe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling ebacktrace v0.4.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.38s
[INFO] running `Command { std: "docker" "inspect" "7b1c4bfd811accdabe3faab24b6b535c64e68b85ab57047e21e28d2a2c64f006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b1c4bfd811accdabe3faab24b6b535c64e68b85ab57047e21e28d2a2c64f006", kill_on_drop: false }`
[INFO] [stdout] 7b1c4bfd811accdabe3faab24b6b535c64e68b85ab57047e21e28d2a2c64f006
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.60.0" "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] 2667cf658056016a060d0825206024988474be30dba2a8f36299321a70ada2f8
[INFO] running `Command { std: "docker" "start" "-a" "2667cf658056016a060d0825206024988474be30dba2a8f36299321a70ada2f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling serial_pipe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "2667cf658056016a060d0825206024988474be30dba2a8f36299321a70ada2f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2667cf658056016a060d0825206024988474be30dba2a8f36299321a70ada2f8", kill_on_drop: false }`
[INFO] [stdout] 2667cf658056016a060d0825206024988474be30dba2a8f36299321a70ada2f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.60.0" "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] c6a49932ba5c62ebeb2a4451915f1e693dd9eadb932992ec995496f62030cfd4
[INFO] running `Command { std: "docker" "start" "-a" "c6a49932ba5c62ebeb2a4451915f1e693dd9eadb932992ec995496f62030cfd4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/spipe-b333beff0d73f946)
[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] [stderr]      Running tests/compile.rs (/opt/rustwide/target/debug/deps/compile-78974d740d41fcfe)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c6a49932ba5c62ebeb2a4451915f1e693dd9eadb932992ec995496f62030cfd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6a49932ba5c62ebeb2a4451915f1e693dd9eadb932992ec995496f62030cfd4", kill_on_drop: false }`
[INFO] [stdout] c6a49932ba5c62ebeb2a4451915f1e693dd9eadb932992ec995496f62030cfd4