[INFO] crate mlc 0.9.1 is already in cache
[INFO] checking mlc-0.9.1 against try#3ae4c050387df9f7fbb379ee90ce8bf05e566870 for pr-70872
[INFO] extracting crate mlc 0.9.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate mlc 0.9.1 on toolchain 3ae4c050387df9f7fbb379ee90ce8bf05e566870
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mlc 0.9.1
[INFO] finished tweaking crates.io crate mlc 0.9.1
[INFO] tweaked toml for crates.io crate mlc 0.9.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate mlc 0.9.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 23c86c78964b44b335fa33585302379d6fb2d73ff08fcd7e78adfa98f8c3dd27
[INFO] running `"docker" "start" "-a" "23c86c78964b44b335fa33585302379d6fb2d73ff08fcd7e78adfa98f8c3dd27"`
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling openssl-src v111.6.0+1.1.1d
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking colored v1.9.2
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking plotters v0.2.12
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking regex v1.3.3
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking simplelog v0.7.4
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.7
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling ntest_timeout v0.5.1
[INFO] [stderr]    Compiling ntest_test_cases v0.5.1
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking tokio v0.2.11
[INFO] [stderr]     Checking ntest v0.5.1
[INFO] [stderr]     Checking pin-project v0.4.7
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking criterion v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking hyper v0.13.1
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking reqwest v0.10.1
[INFO] [stderr]     Checking mlc v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 51s
[INFO] running `"docker" "inspect" "23c86c78964b44b335fa33585302379d6fb2d73ff08fcd7e78adfa98f8c3dd27"`
[INFO] running `"docker" "rm" "-f" "23c86c78964b44b335fa33585302379d6fb2d73ff08fcd7e78adfa98f8c3dd27"`
[INFO] [stdout] 23c86c78964b44b335fa33585302379d6fb2d73ff08fcd7e78adfa98f8c3dd27