[INFO] fetching crate forward_ref 1.0.0...
[INFO] testing forward_ref-1.0.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate forward_ref 1.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate forward_ref 1.0.0 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 forward_ref 1.0.0
[INFO] finished tweaking crates.io crate forward_ref 1.0.0
[INFO] tweaked toml for crates.io crate forward_ref 1.0.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+1.60.0" "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] 2d3586dbe0a4ad233e9b7684ba2a78e06884b736e8d1018ce7d4ee33e7bf5d09
[INFO] running `Command { std: "docker" "start" "-a" "2d3586dbe0a4ad233e9b7684ba2a78e06884b736e8d1018ce7d4ee33e7bf5d09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d3586dbe0a4ad233e9b7684ba2a78e06884b736e8d1018ce7d4ee33e7bf5d09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d3586dbe0a4ad233e9b7684ba2a78e06884b736e8d1018ce7d4ee33e7bf5d09", kill_on_drop: false }`
[INFO] [stdout] 2d3586dbe0a4ad233e9b7684ba2a78e06884b736e8d1018ce7d4ee33e7bf5d09
[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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a64a7383b4b759c78a34834c5e183eab0d5558d1070c08b1e858f46246297c01
[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" "a64a7383b4b759c78a34834c5e183eab0d5558d1070c08b1e858f46246297c01", kill_on_drop: false }`
[INFO] [stderr]    Compiling forward_ref v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "a64a7383b4b759c78a34834c5e183eab0d5558d1070c08b1e858f46246297c01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a64a7383b4b759c78a34834c5e183eab0d5558d1070c08b1e858f46246297c01", kill_on_drop: false }`
[INFO] [stdout] a64a7383b4b759c78a34834c5e183eab0d5558d1070c08b1e858f46246297c01
[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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c18e7eeb3d8e8f1ef518a35ef5f26644b9c43a1a7343de5331e7f724cac8cacf
[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" "c18e7eeb3d8e8f1ef518a35ef5f26644b9c43a1a7343de5331e7f724cac8cacf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling forward_ref v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "c18e7eeb3d8e8f1ef518a35ef5f26644b9c43a1a7343de5331e7f724cac8cacf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c18e7eeb3d8e8f1ef518a35ef5f26644b9c43a1a7343de5331e7f724cac8cacf", kill_on_drop: false }`
[INFO] [stdout] c18e7eeb3d8e8f1ef518a35ef5f26644b9c43a1a7343de5331e7f724cac8cacf
[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" "+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] 4eb4545d70fc6118a474736411b5bfc648a64bf37cf3e016f1682e56f1d31fac
[INFO] running `Command { std: "docker" "start" "-a" "4eb4545d70fc6118a474736411b5bfc648a64bf37cf3e016f1682e56f1d31fac", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/forward_ref-10a490b336757532)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests forward_ref
[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 3 tests
[INFO] [stdout] test src/lib.rs - forward_ref_unop (line 14) ... ok
[INFO] [stdout] test src/lib.rs - forward_ref_op_assign (line 130) ... ok
[INFO] [stdout] test src/lib.rs - forward_ref_binop (line 63) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.65s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4eb4545d70fc6118a474736411b5bfc648a64bf37cf3e016f1682e56f1d31fac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eb4545d70fc6118a474736411b5bfc648a64bf37cf3e016f1682e56f1d31fac", kill_on_drop: false }`
[INFO] [stdout] 4eb4545d70fc6118a474736411b5bfc648a64bf37cf3e016f1682e56f1d31fac