[INFO] fetching crate rair 0.1.0...
[INFO] checking rair-0.1.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate rair 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rair 0.1.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rair 0.1.0
[INFO] finished tweaking crates.io crate rair 0.1.0
[INFO] tweaked toml for crates.io crate rair 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate rair 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32e46ee219c9c0c3400b83b1a606895a18a57d8585ac31e5999572af77c5b014
[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" "32e46ee219c9c0c3400b83b1a606895a18a57d8585ac31e5999572af77c5b014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32e46ee219c9c0c3400b83b1a606895a18a57d8585ac31e5999572af77c5b014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32e46ee219c9c0c3400b83b1a606895a18a57d8585ac31e5999572af77c5b014", kill_on_drop: false }`
[INFO] [stdout] 32e46ee219c9c0c3400b83b1a606895a18a57d8585ac31e5999572af77c5b014
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] ce5d35358fece6584aaf1ec966322324ff5b3a5eacd58577edb9e3e80c31a41f
[INFO] running `Command { std: "docker" "start" "-a" "ce5d35358fece6584aaf1ec966322324ff5b3a5eacd58577edb9e3e80c31a41f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking half v1.4.0
[INFO] [stderr]     Checking ucd-trie v0.1.2
[INFO] [stderr]     Checking rair-env v0.1.0
[INFO] [stderr]     Checking yansi v0.5.0
[INFO] [stderr]    Compiling pest v2.1.2
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]    Compiling err-derive v0.2.1
[INFO] [stderr]     Checking miniz_oxide v0.3.5
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling nom v5.0.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]     Checking rustyline v5.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling rustyline-derive v0.2.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking rcmd v0.1.0
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking rtrees v0.1.0
[INFO] [stderr]     Checking serde_cbor v0.10.2
[INFO] [stderr]     Checking rair-io v0.1.0
[INFO] [stderr]     Checking rcore v0.1.0
[INFO] [stderr]     Checking rair v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "ce5d35358fece6584aaf1ec966322324ff5b3a5eacd58577edb9e3e80c31a41f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce5d35358fece6584aaf1ec966322324ff5b3a5eacd58577edb9e3e80c31a41f", kill_on_drop: false }`
[INFO] [stdout] ce5d35358fece6584aaf1ec966322324ff5b3a5eacd58577edb9e3e80c31a41f