[INFO] fetching crate alexcrichton-cranelift-frontend 0.53.0...
[INFO] checking alexcrichton-cranelift-frontend-0.53.0 against beta for pr-78714
[INFO] extracting crate alexcrichton-cranelift-frontend 0.53.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate alexcrichton-cranelift-frontend 0.53.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alexcrichton-cranelift-frontend 0.53.0
[INFO] finished tweaking crates.io crate alexcrichton-cranelift-frontend 0.53.0
[INFO] tweaked toml for crates.io crate alexcrichton-cranelift-frontend 0.53.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66b889eaab223382d09f003d797374b3254dba6f2d784040d12590c6f1e2ab5d
[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" "66b889eaab223382d09f003d797374b3254dba6f2d784040d12590c6f1e2ab5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66b889eaab223382d09f003d797374b3254dba6f2d784040d12590c6f1e2ab5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66b889eaab223382d09f003d797374b3254dba6f2d784040d12590c6f1e2ab5d", kill_on_drop: false }`
[INFO] [stdout] 66b889eaab223382d09f003d797374b3254dba6f2d784040d12590c6f1e2ab5d
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f36ccb4367f69b3f6afa3cdfacc102b8736e01ff9a880383c89ead602de085aa
[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" "f36ccb4367f69b3f6afa3cdfacc102b8736e01ff9a880383c89ead602de085aa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling alexcrichton-cranelift-codegen-shared v0.53.0
[INFO] [stderr]    Compiling alexcrichton-cranelift-entity v0.53.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking alexcrichton-cranelift-bforest v0.53.0
[INFO] [stderr]    Compiling alexcrichton-cranelift-codegen-meta v0.53.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]    Compiling alexcrichton-cranelift-codegen v0.53.0
[INFO] [stderr]     Checking alexcrichton-cranelift-frontend v0.53.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.59s
[INFO] running `Command { std: "docker" "inspect" "f36ccb4367f69b3f6afa3cdfacc102b8736e01ff9a880383c89ead602de085aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f36ccb4367f69b3f6afa3cdfacc102b8736e01ff9a880383c89ead602de085aa", kill_on_drop: false }`
[INFO] [stdout] f36ccb4367f69b3f6afa3cdfacc102b8736e01ff9a880383c89ead602de085aa