[INFO] fetching crate linux-taskstats 0.1.3...
[INFO] checking linux-taskstats-0.1.3 against try#4a23c45c7893f1416456144e3883cc48ea91722e for pr-82322
[INFO] extracting crate linux-taskstats 0.1.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate linux-taskstats 0.1.3 on toolchain 4a23c45c7893f1416456144e3883cc48ea91722e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate linux-taskstats 0.1.3
[INFO] finished tweaking crates.io crate linux-taskstats 0.1.3
[INFO] tweaked toml for crates.io crate linux-taskstats 0.1.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate linux-taskstats 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded netlink-sys v0.2.0
[INFO] running `Command { std: "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" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "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] c8ceea83c17e7a8275a527e64adc0c3b85ea553bf6eb10c30f791ec2d206dda0
[INFO] running `Command { std: "docker" "start" "-a" "c8ceea83c17e7a8275a527e64adc0c3b85ea553bf6eb10c30f791ec2d206dda0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8ceea83c17e7a8275a527e64adc0c3b85ea553bf6eb10c30f791ec2d206dda0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8ceea83c17e7a8275a527e64adc0c3b85ea553bf6eb10c30f791ec2d206dda0", kill_on_drop: false }`
[INFO] [stdout] c8ceea83c17e7a8275a527e64adc0c3b85ea553bf6eb10c30f791ec2d206dda0
[INFO] running `Command { std: "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" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] b393cf370eaa4bc1e6f7f54f008186418284efc23adfceafab2270e8e2bd9f2a
[INFO] running `Command { std: "docker" "start" "-a" "b393cf370eaa4bc1e6f7f54f008186418284efc23adfceafab2270e8e2bd9f2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling syn v1.0.27
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking netlink-sys v0.2.0
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling bindgen v0.53.3
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]     Checking thiserror v1.0.19
[INFO] [stderr]    Compiling linux-taskstats v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `Command { std: "docker" "inspect" "b393cf370eaa4bc1e6f7f54f008186418284efc23adfceafab2270e8e2bd9f2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b393cf370eaa4bc1e6f7f54f008186418284efc23adfceafab2270e8e2bd9f2a", kill_on_drop: false }`
[INFO] [stdout] b393cf370eaa4bc1e6f7f54f008186418284efc23adfceafab2270e8e2bd9f2a