[INFO] fetching crate dum 0.1.9...
[INFO] checking dum-0.1.9 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate dum 0.1.9 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate dum 0.1.9 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dum 0.1.9
[INFO] finished tweaking crates.io crate dum 0.1.9
[INFO] tweaked toml for crates.io crate dum 0.1.9 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate dum 0.1.9 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d88894aa1e7f30916ba5ba300e04b6d8561ad9da738738e9e6e5b56f8c15a82
[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" "3d88894aa1e7f30916ba5ba300e04b6d8561ad9da738738e9e6e5b56f8c15a82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d88894aa1e7f30916ba5ba300e04b6d8561ad9da738738e9e6e5b56f8c15a82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d88894aa1e7f30916ba5ba300e04b6d8561ad9da738738e9e6e5b56f8c15a82", kill_on_drop: false }`
[INFO] [stdout] 3d88894aa1e7f30916ba5ba300e04b6d8561ad9da738738e9e6e5b56f8c15a82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de8fcc461fe5302e59d959db837e3e7b271ac70f7d026f5e37389e98aaa46592
[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" "de8fcc461fe5302e59d959db837e3e7b271ac70f7d026f5e37389e98aaa46592", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling serde_json v1.0.71
[INFO] [stderr]     Checking zeroize v1.4.3
[INFO] [stderr]     Checking libc v0.2.107
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking dialoguer v0.9.0
[INFO] [stderr]     Checking dum v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.97s
[INFO] running `Command { std: "docker" "inspect" "de8fcc461fe5302e59d959db837e3e7b271ac70f7d026f5e37389e98aaa46592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de8fcc461fe5302e59d959db837e3e7b271ac70f7d026f5e37389e98aaa46592", kill_on_drop: false }`
[INFO] [stdout] de8fcc461fe5302e59d959db837e3e7b271ac70f7d026f5e37389e98aaa46592