[INFO] fetching crate md4 0.9.0...
[INFO] checking md4-0.9.0 against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] extracting crate md4 0.9.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate md4 0.9.0 on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate md4 0.9.0
[INFO] finished tweaking crates.io crate md4 0.9.0
[INFO] tweaked toml for crates.io crate md4 0.9.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate md4 0.9.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] baec8fc5713d65f70f5ec42a6bef6beb5e0b8cee9d6e2bc6bf08c35d84f4a4c3
[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" "baec8fc5713d65f70f5ec42a6bef6beb5e0b8cee9d6e2bc6bf08c35d84f4a4c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "baec8fc5713d65f70f5ec42a6bef6beb5e0b8cee9d6e2bc6bf08c35d84f4a4c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baec8fc5713d65f70f5ec42a6bef6beb5e0b8cee9d6e2bc6bf08c35d84f4a4c3", kill_on_drop: false }`
[INFO] [stdout] baec8fc5713d65f70f5ec42a6bef6beb5e0b8cee9d6e2bc6bf08c35d84f4a4c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4591041fe535ade188d9998fdd5a00124d94fa750e63c4e582231783279fd03c
[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" "4591041fe535ade188d9998fdd5a00124d94fa750e63c4e582231783279fd03c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling hex-literal-impl v0.2.2
[INFO] [stderr]    Compiling generic-array v0.14.2
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]     Checking blobby v0.1.2
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking md4 v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.28s
[INFO] running `Command { std: "docker" "inspect" "4591041fe535ade188d9998fdd5a00124d94fa750e63c4e582231783279fd03c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4591041fe535ade188d9998fdd5a00124d94fa750e63c4e582231783279fd03c", kill_on_drop: false }`
[INFO] [stdout] 4591041fe535ade188d9998fdd5a00124d94fa750e63c4e582231783279fd03c