[INFO] fetching crate expjobserver 0.4.0...
[INFO] checking expjobserver-0.4.0 against master#db870ea71b6dcc7a91b999420b88f41d3cdd13e1 for pr-75192
[INFO] extracting crate expjobserver 0.4.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate expjobserver 0.4.0 on toolchain db870ea71b6dcc7a91b999420b88f41d3cdd13e1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate expjobserver 0.4.0
[INFO] finished tweaking crates.io crate expjobserver 0.4.0
[INFO] tweaked toml for crates.io crate expjobserver 0.4.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate expjobserver 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "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] 1a8e824eaf0c8099507c5d6d7ffa90525be7b0498b8a494cce005fac54af9dda
[INFO] running `Command { std: "docker" "start" "-a" "1a8e824eaf0c8099507c5d6d7ffa90525be7b0498b8a494cce005fac54af9dda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a8e824eaf0c8099507c5d6d7ffa90525be7b0498b8a494cce005fac54af9dda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a8e824eaf0c8099507c5d6d7ffa90525be7b0498b8a494cce005fac54af9dda", kill_on_drop: false }`
[INFO] [stdout] 1a8e824eaf0c8099507c5d6d7ffa90525be7b0498b8a494cce005fac54af9dda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f572ae8a1e9b338b5bcac8fca3e9658bc5f2d69b3574fa8d3fa60d10f9394c5
[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" "4f572ae8a1e9b338b5bcac8fca3e9658bc5f2d69b3574fa8d3fa60d10f9394c5", 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 libc v0.2.70
[INFO] [stderr]    Compiling proc-macro2 v1.0.15
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling syn v1.0.23
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling multimap v0.8.1
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking addr2line v0.12.1
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling petgraph v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking serde_yaml v0.8.12
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking serde-value v0.5.3
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]    Compiling expjobserver v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking log4rs v0.8.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.72s
[INFO] running `Command { std: "docker" "inspect" "4f572ae8a1e9b338b5bcac8fca3e9658bc5f2d69b3574fa8d3fa60d10f9394c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f572ae8a1e9b338b5bcac8fca3e9658bc5f2d69b3574fa8d3fa60d10f9394c5", kill_on_drop: false }`
[INFO] [stdout] 4f572ae8a1e9b338b5bcac8fca3e9658bc5f2d69b3574fa8d3fa60d10f9394c5