[INFO] fetching crate expjobserver 0.9.2...
[INFO] checking expjobserver-0.9.2 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate expjobserver 0.9.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate expjobserver 0.9.2 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate expjobserver 0.9.2
[INFO] finished tweaking crates.io crate expjobserver 0.9.2
[INFO] tweaked toml for crates.io crate expjobserver 0.9.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate expjobserver 0.9.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "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] 0485045a5d674460a08f107d1e591dc1ed8c5011c02e55f5ebac999f0b034e9c
[INFO] running `Command { std: "docker" "start" "-a" "0485045a5d674460a08f107d1e591dc1ed8c5011c02e55f5ebac999f0b034e9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0485045a5d674460a08f107d1e591dc1ed8c5011c02e55f5ebac999f0b034e9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0485045a5d674460a08f107d1e591dc1ed8c5011c02e55f5ebac999f0b034e9c", kill_on_drop: false }`
[INFO] [stdout] 0485045a5d674460a08f107d1e591dc1ed8c5011c02e55f5ebac999f0b034e9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c67e8e5b1cca124239b9a4ab7efce911d12a1e1475e1bc819f4016e2a3271d2a
[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" "c67e8e5b1cca124239b9a4ab7efce911d12a1e1475e1bc819f4016e2a3271d2a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling multimap v0.8.2
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking object v0.21.1
[INFO] [stderr]     Checking rustc-demangle v0.1.17
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking fs_extra v1.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking console v0.12.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking flate2 v1.0.18
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.53
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking serde-value v0.5.3
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking log4rs v0.8.3
[INFO] [stderr]    Compiling expjobserver v0.9.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "c67e8e5b1cca124239b9a4ab7efce911d12a1e1475e1bc819f4016e2a3271d2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c67e8e5b1cca124239b9a4ab7efce911d12a1e1475e1bc819f4016e2a3271d2a", kill_on_drop: false }`
[INFO] [stdout] c67e8e5b1cca124239b9a4ab7efce911d12a1e1475e1bc819f4016e2a3271d2a