[INFO] fetching crate four-char-code 0.0.5...
[INFO] testing four-char-code-0.0.5 against 1.54.0 for beta-1.55-1
[INFO] extracting crate four-char-code 0.0.5 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate four-char-code 0.0.5 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate four-char-code 0.0.5
[INFO] finished tweaking crates.io crate four-char-code 0.0.5
[INFO] tweaked toml for crates.io crate four-char-code 0.0.5 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded four-char-code-macros-impl v0.0.2
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8322133e53b672a0c865ed4a6909ef87e387d1ae4ae1b6d8cdb223982f0fa1c3
[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" "8322133e53b672a0c865ed4a6909ef87e387d1ae4ae1b6d8cdb223982f0fa1c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8322133e53b672a0c865ed4a6909ef87e387d1ae4ae1b6d8cdb223982f0fa1c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8322133e53b672a0c865ed4a6909ef87e387d1ae4ae1b6d8cdb223982f0fa1c3", kill_on_drop: false }`
[INFO] [stdout] 8322133e53b672a0c865ed4a6909ef87e387d1ae4ae1b6d8cdb223982f0fa1c3
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b96025b9aef5fac849bb28ef8ff9c736afd6830da36ec7d1aefae5b95ab8e1ed
[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" "b96025b9aef5fac849bb28ef8ff9c736afd6830da36ec7d1aefae5b95ab8e1ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling four-char-code-macros-impl v0.0.2
[INFO] [stderr]    Compiling four-char-code v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.63s
[INFO] running `Command { std: "docker" "inspect" "b96025b9aef5fac849bb28ef8ff9c736afd6830da36ec7d1aefae5b95ab8e1ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b96025b9aef5fac849bb28ef8ff9c736afd6830da36ec7d1aefae5b95ab8e1ed", kill_on_drop: false }`
[INFO] [stdout] b96025b9aef5fac849bb28ef8ff9c736afd6830da36ec7d1aefae5b95ab8e1ed
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 875970074f91b21f43232f7e0f170c8f240c50773f576f0d2d6f6e84c18d07e2
[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" "875970074f91b21f43232f7e0f170c8f240c50773f576f0d2d6f6e84c18d07e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling four-char-code v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "875970074f91b21f43232f7e0f170c8f240c50773f576f0d2d6f6e84c18d07e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "875970074f91b21f43232f7e0f170c8f240c50773f576f0d2d6f6e84c18d07e2", kill_on_drop: false }`
[INFO] [stdout] 875970074f91b21f43232f7e0f170c8f240c50773f576f0d2d6f6e84c18d07e2
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] 034b3f56c5a4776cb7f43cbe8803b7e4c7fdf7cd361fc27bb56cca5bdbfdeb57
[INFO] running `Command { std: "docker" "start" "-a" "034b3f56c5a4776cb7f43cbe8803b7e4c7fdf7cd361fc27bb56cca5bdbfdeb57", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/four_char_code-88eff3e8eac91dcf)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests four-char-code
[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] [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" "034b3f56c5a4776cb7f43cbe8803b7e4c7fdf7cd361fc27bb56cca5bdbfdeb57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "034b3f56c5a4776cb7f43cbe8803b7e4c7fdf7cd361fc27bb56cca5bdbfdeb57", kill_on_drop: false }`
[INFO] [stdout] 034b3f56c5a4776cb7f43cbe8803b7e4c7fdf7cd361fc27bb56cca5bdbfdeb57
