[INFO] fetching crate lz4 1.23.2...
[INFO] checking lz4-1.23.2 against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] extracting crate lz4 1.23.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate lz4 1.23.2 on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lz4 1.23.2
[INFO] finished tweaking crates.io crate lz4 1.23.2
[INFO] tweaked toml for crates.io crate lz4 1.23.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate lz4 1.23.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "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] 0b2ad3619a89ef3c3bbac19630b9e130e4699724fc9f84da49c09e6329663042
[INFO] running `Command { std: "docker" "start" "-a" "0b2ad3619a89ef3c3bbac19630b9e130e4699724fc9f84da49c09e6329663042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b2ad3619a89ef3c3bbac19630b9e130e4699724fc9f84da49c09e6329663042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b2ad3619a89ef3c3bbac19630b9e130e4699724fc9f84da49c09e6329663042", kill_on_drop: false }`
[INFO] [stdout] 0b2ad3619a89ef3c3bbac19630b9e130e4699724fc9f84da49c09e6329663042
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee3d4692bfb838eae762127203d4c990c1ac0d5e9bef0676bccba88f368c5e11
[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" "ee3d4692bfb838eae762127203d4c990c1ac0d5e9bef0676bccba88f368c5e11", kill_on_drop: false }`
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling lz4-sys v1.9.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking addr2line v0.12.1
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking which v2.0.1
[INFO] [stderr]     Checking docmatic v0.1.2
[INFO] [stderr]     Checking lz4 v1.23.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.66s
[INFO] running `Command { std: "docker" "inspect" "ee3d4692bfb838eae762127203d4c990c1ac0d5e9bef0676bccba88f368c5e11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee3d4692bfb838eae762127203d4c990c1ac0d5e9bef0676bccba88f368c5e11", kill_on_drop: false }`
[INFO] [stdout] ee3d4692bfb838eae762127203d4c990c1ac0d5e9bef0676bccba88f368c5e11