[INFO] crate four-char-code-macros-impl 0.0.2 is already in cache
[INFO] checking four-char-code-macros-impl-0.0.2 against master#8ac1525e091d3db28e67adcbbd6db1e1deaa37fb for pr-73323
[INFO] extracting crate four-char-code-macros-impl 0.0.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate four-char-code-macros-impl 0.0.2 on toolchain 8ac1525e091d3db28e67adcbbd6db1e1deaa37fb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate four-char-code-macros-impl 0.0.2
[INFO] finished tweaking crates.io crate four-char-code-macros-impl 0.0.2
[INFO] tweaked toml for crates.io crate four-char-code-macros-impl 0.0.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "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] 8a953dc334e9b3daccf0a7e678ec7951a1345784bb2a273e8fad489f8e9cacfc
[INFO] running `Command { std: "docker" "start" "-a" "8a953dc334e9b3daccf0a7e678ec7951a1345784bb2a273e8fad489f8e9cacfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a953dc334e9b3daccf0a7e678ec7951a1345784bb2a273e8fad489f8e9cacfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a953dc334e9b3daccf0a7e678ec7951a1345784bb2a273e8fad489f8e9cacfc", kill_on_drop: false }`
[INFO] [stdout] 8a953dc334e9b3daccf0a7e678ec7951a1345784bb2a273e8fad489f8e9cacfc
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "check" "--frozen" "--all" "--all-targets" "--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] b908018de2862964531eec3f2f2529a5df302f5c0ff405d40ae4bc26979c6ed4
[INFO] running `Command { std: "docker" "start" "-a" "b908018de2862964531eec3f2f2529a5df302f5c0ff405d40ae4bc26979c6ed4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking syn v0.15.44
[INFO] [stderr]     Checking four-char-code-macros-impl v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.46s
[INFO] running `Command { std: "docker" "inspect" "b908018de2862964531eec3f2f2529a5df302f5c0ff405d40ae4bc26979c6ed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b908018de2862964531eec3f2f2529a5df302f5c0ff405d40ae4bc26979c6ed4", kill_on_drop: false }`
[INFO] [stdout] b908018de2862964531eec3f2f2529a5df302f5c0ff405d40ae4bc26979c6ed4