[INFO] crate alt_serde_json 1.0.44 is already in cache
[INFO] checking alt_serde_json-1.0.44 against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766
[INFO] extracting crate alt_serde_json 1.0.44 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate alt_serde_json 1.0.44 on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate alt_serde_json 1.0.44
[INFO] finished tweaking crates.io crate alt_serde_json 1.0.44
[INFO] tweaked toml for crates.io crate alt_serde_json 1.0.44 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "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" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 35a3e243f93e845aa8886de95783cff6e006e011e7c8a1f97df47941d2582d4c
[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" "35a3e243f93e845aa8886de95783cff6e006e011e7c8a1f97df47941d2582d4c"`
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling alt_serde v1.0.104
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking dissimilar v1.0.1
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling psm v0.1.6
[INFO] [stderr]    Compiling stacker v0.1.6
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling automod v0.1.2
[INFO] [stderr]     Checking alt_serde_json v1.0.44 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking serde_json v1.0.46
[INFO] [stderr]     Checking serde_stacker v0.1.1
[INFO] [stderr]     Checking serde_bytes v0.11.3
[INFO] [stderr]     Checking trybuild v1.0.21
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `"docker" "inspect" "35a3e243f93e845aa8886de95783cff6e006e011e7c8a1f97df47941d2582d4c"`
[INFO] running `"docker" "rm" "-f" "35a3e243f93e845aa8886de95783cff6e006e011e7c8a1f97df47941d2582d4c"`
[INFO] [stdout] 35a3e243f93e845aa8886de95783cff6e006e011e7c8a1f97df47941d2582d4c