[INFO] crate ritual_build 0.4.0 is already in cache
[INFO] checking ritual_build-0.4.0 against try#0ab79c4b48ad19260fa46623f452c1b403a360e8 for pr-74315
[INFO] extracting crate ritual_build 0.4.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate ritual_build 0.4.0 on toolchain 0ab79c4b48ad19260fa46623f452c1b403a360e8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ritual_build 0.4.0
[INFO] finished tweaking crates.io crate ritual_build 0.4.0
[INFO] tweaked toml for crates.io crate ritual_build 0.4.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9aee36353957b13daf67665305bc1a913135953a0ca2bb0c5c1d471fb1440600
[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" "9aee36353957b13daf67665305bc1a913135953a0ca2bb0c5c1d471fb1440600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9aee36353957b13daf67665305bc1a913135953a0ca2bb0c5c1d471fb1440600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aee36353957b13daf67665305bc1a913135953a0ca2bb0c5c1d471fb1440600", kill_on_drop: false }`
[INFO] [stdout] 9aee36353957b13daf67665305bc1a913135953a0ca2bb0c5c1d471fb1440600
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08b46c38c4a62e6ce750b807eddc31415dd1529b5ffbd94e1136a38d1d463e73
[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" "08b46c38c4a62e6ce750b807eddc31415dd1529b5ffbd94e1136a38d1d463e73", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking pathdiff v0.1.0
[INFO] [stderr]     Checking dunce v1.0.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking term-painter v0.2.4
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking ritual_common v0.4.0
[INFO] [stderr]     Checking ritual_build v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "08b46c38c4a62e6ce750b807eddc31415dd1529b5ffbd94e1136a38d1d463e73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08b46c38c4a62e6ce750b807eddc31415dd1529b5ffbd94e1136a38d1d463e73", kill_on_drop: false }`
[INFO] [stdout] 08b46c38c4a62e6ce750b807eddc31415dd1529b5ffbd94e1136a38d1d463e73