[INFO] crate err-context 0.1.0 is already in cache
[INFO] checking err-context-0.1.0 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate err-context 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate err-context 0.1.0 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate err-context 0.1.0
[INFO] finished tweaking crates.io crate err-context 0.1.0
[INFO] tweaked toml for crates.io crate err-context 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fa2fc5255fdfb364efa7b45850c10400579a520c94ba11aa8b01416c861c6e62
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "fa2fc5255fdfb364efa7b45850c10400579a520c94ba11aa8b01416c861c6e62"`
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling pulldown-cmark v0.4.1
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking err-context v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking version-sync v0.8.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.60s
[INFO] running `"docker" "inspect" "fa2fc5255fdfb364efa7b45850c10400579a520c94ba11aa8b01416c861c6e62"`
[INFO] running `"docker" "rm" "-f" "fa2fc5255fdfb364efa7b45850c10400579a520c94ba11aa8b01416c861c6e62"`
[INFO] [stdout] fa2fc5255fdfb364efa7b45850c10400579a520c94ba11aa8b01416c861c6e62