[INFO] crate printf-rs 0.1.1 is already in cache
[INFO] checking printf-rs-0.1.1 against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] extracting crate printf-rs 0.1.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate printf-rs 0.1.1 on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate printf-rs 0.1.1
[INFO] finished tweaking crates.io crate printf-rs 0.1.1
[INFO] tweaked toml for crates.io crate printf-rs 0.1.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c872cff15f9fa5cc86421a19c4aae7770aee7cc92ed271f2356540892afe354f
[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" "c872cff15f9fa5cc86421a19c4aae7770aee7cc92ed271f2356540892afe354f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c872cff15f9fa5cc86421a19c4aae7770aee7cc92ed271f2356540892afe354f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c872cff15f9fa5cc86421a19c4aae7770aee7cc92ed271f2356540892afe354f", kill_on_drop: false }`
[INFO] [stdout] c872cff15f9fa5cc86421a19c4aae7770aee7cc92ed271f2356540892afe354f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3b98db294a3332145b2dc1c721e3603add9f611d9e5ead85182c897b45748ae
[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" "b3b98db294a3332145b2dc1c721e3603add9f611d9e5ead85182c897b45748ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking printf-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: static variable `enable_utf8` should have an upper case name
[INFO] [stdout]   --> src/lib.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub static ref enable_utf8: () = {
[INFO] [stdout]    |                    ^^^^^^^^^^^ help: convert the identifier to upper case: `ENABLE_UTF8`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `enable_utf8` should have an upper case name
[INFO] [stdout]   --> src/lib.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub static ref enable_utf8: () = {
[INFO] [stdout]    |                    ^^^^^^^^^^^ help: convert the identifier to upper case: `ENABLE_UTF8`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.64s
[INFO] running `Command { std: "docker" "inspect" "b3b98db294a3332145b2dc1c721e3603add9f611d9e5ead85182c897b45748ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3b98db294a3332145b2dc1c721e3603add9f611d9e5ead85182c897b45748ae", kill_on_drop: false }`
[INFO] [stdout] b3b98db294a3332145b2dc1c721e3603add9f611d9e5ead85182c897b45748ae