[INFO] fetching crate slabmalloc 0.7.0...
[INFO] checking slabmalloc-0.7.0 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate slabmalloc 0.7.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate slabmalloc 0.7.0 on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slabmalloc 0.7.0
[INFO] finished tweaking crates.io crate slabmalloc 0.7.0
[INFO] tweaked toml for crates.io crate slabmalloc 0.7.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate slabmalloc 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded c2-chacha v0.2.3
[INFO] [stderr]   Downloaded rand_chacha v0.2.1
[INFO] [stderr]   Downloaded libc v0.2.65
[INFO] [stderr]   Downloaded termcolor v1.0.5
[INFO] [stderr]   Downloaded getrandom v0.1.13
[INFO] [stderr]   Downloaded wasi v0.7.0
[INFO] [stderr]   Downloaded quick-error v1.2.2
[INFO] [stderr]   Downloaded rand v0.7.2
[INFO] [stderr]   Downloaded winapi-util v0.1.2
[INFO] [stderr]   Downloaded wincolor v1.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "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] e4e464d85b204025cd3e18afd368fd96c42b7c093af0b9246bd2722ad175eba1
[INFO] running `Command { std: "docker" "start" "-a" "e4e464d85b204025cd3e18afd368fd96c42b7c093af0b9246bd2722ad175eba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4e464d85b204025cd3e18afd368fd96c42b7c093af0b9246bd2722ad175eba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4e464d85b204025cd3e18afd368fd96c42b7c093af0b9246bd2722ad175eba1", kill_on_drop: false }`
[INFO] [stdout] e4e464d85b204025cd3e18afd368fd96c42b7c093af0b9246bd2722ad175eba1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 833c5b9760a44a88d6c7f2ff4da7300abc72c735e68f5336dbac0e2503af31ef
[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" "833c5b9760a44a88d6c7f2ff4da7300abc72c735e68f5336dbac0e2503af31ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking slabmalloc v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.19s
[INFO] running `Command { std: "docker" "inspect" "833c5b9760a44a88d6c7f2ff4da7300abc72c735e68f5336dbac0e2503af31ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "833c5b9760a44a88d6c7f2ff4da7300abc72c735e68f5336dbac0e2503af31ef", kill_on_drop: false }`
[INFO] [stdout] 833c5b9760a44a88d6c7f2ff4da7300abc72c735e68f5336dbac0e2503af31ef
