[INFO] fetching crate core-allocator 0.2.2...
[INFO] testing core-allocator-0.2.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate core-allocator 0.2.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate core-allocator 0.2.2 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 crates.io crate core-allocator 0.2.2
[INFO] finished tweaking crates.io crate core-allocator 0.2.2
[INFO] tweaked toml for crates.io crate core-allocator 0.2.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate core-allocator 0.2.2 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-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2be2cb8e0902852d3d0d743bf675bcdfe01d23285a7010f1da3b1e8525385a37
[INFO] running `Command { std: "docker" "start" "-a" "2be2cb8e0902852d3d0d743bf675bcdfe01d23285a7010f1da3b1e8525385a37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2be2cb8e0902852d3d0d743bf675bcdfe01d23285a7010f1da3b1e8525385a37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2be2cb8e0902852d3d0d743bf675bcdfe01d23285a7010f1da3b1e8525385a37", kill_on_drop: false }`
[INFO] [stdout] 2be2cb8e0902852d3d0d743bf675bcdfe01d23285a7010f1da3b1e8525385a37
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfca8d3abec3d1deed3c1ba88c294f5e42d6c953b939d096591c2f9f070e3f06
[INFO] running `Command { std: "docker" "start" "-a" "cfca8d3abec3d1deed3c1ba88c294f5e42d6c953b939d096591c2f9f070e3f06", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling anyhow v1.0.45
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling hwloc2 v2.2.0
[INFO] [stderr]    Compiling errno v0.2.8
[INFO] [stderr]    Compiling nix v0.23.0
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling core-allocator v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.74s
[INFO] running `Command { std: "docker" "inspect" "cfca8d3abec3d1deed3c1ba88c294f5e42d6c953b939d096591c2f9f070e3f06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfca8d3abec3d1deed3c1ba88c294f5e42d6c953b939d096591c2f9f070e3f06", kill_on_drop: false }`
[INFO] [stdout] cfca8d3abec3d1deed3c1ba88c294f5e42d6c953b939d096591c2f9f070e3f06
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0d88d1a896d44965c2b5374ba8280dcc5ad3e4b5337b44a50c3a25d7de3e9d0
[INFO] running `Command { std: "docker" "start" "-a" "f0d88d1a896d44965c2b5374ba8280dcc5ad3e4b5337b44a50c3a25d7de3e9d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling core-allocator v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.69s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/core_allocator-f9ea0a056d07f138)
[INFO] running `Command { std: "docker" "inspect" "f0d88d1a896d44965c2b5374ba8280dcc5ad3e4b5337b44a50c3a25d7de3e9d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0d88d1a896d44965c2b5374ba8280dcc5ad3e4b5337b44a50c3a25d7de3e9d0", kill_on_drop: false }`
[INFO] [stdout] f0d88d1a896d44965c2b5374ba8280dcc5ad3e4b5337b44a50c3a25d7de3e9d0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6b7237fbe103acb0fc31ed0ed6ca99448a6861d616f74d65703e9406c300fdf3
[INFO] running `Command { std: "docker" "start" "-a" "6b7237fbe103acb0fc31ed0ed6ca99448a6861d616f74d65703e9406c300fdf3", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/core_allocator-f9ea0a056d07f138)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests core-allocator
[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" "6b7237fbe103acb0fc31ed0ed6ca99448a6861d616f74d65703e9406c300fdf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b7237fbe103acb0fc31ed0ed6ca99448a6861d616f74d65703e9406c300fdf3", kill_on_drop: false }`
[INFO] [stdout] 6b7237fbe103acb0fc31ed0ed6ca99448a6861d616f74d65703e9406c300fdf3