[INFO] fetching crate trk-io 0.16.0...
[INFO] checking trk-io-0.16.0 against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363
[INFO] extracting crate trk-io 0.16.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate trk-io 0.16.0 on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trk-io 0.16.0
[INFO] finished tweaking crates.io crate trk-io 0.16.0
[INFO] tweaked toml for crates.io crate trk-io 0.16.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate trk-io 0.16.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8550d9484b60d7ba312a897b8d7d88c53a9e30d84b6cb5f44ec744015ae13c8
[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" "e8550d9484b60d7ba312a897b8d7d88c53a9e30d84b6cb5f44ec744015ae13c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8550d9484b60d7ba312a897b8d7d88c53a9e30d84b6cb5f44ec744015ae13c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8550d9484b60d7ba312a897b8d7d88c53a9e30d84b6cb5f44ec744015ae13c8", kill_on_drop: false }`
[INFO] [stdout] e8550d9484b60d7ba312a897b8d7d88c53a9e30d84b6cb5f44ec744015ae13c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bf86e2829ac576d5d3c656b9c40b5e8849153c40d62a16f7f7b6993473c67ae
[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" "0bf86e2829ac576d5d3c656b9c40b5e8849153c40d62a16f7f7b6993473c67ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking strsim v0.9.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking simba v0.1.5
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking nalgebra v0.21.1
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking trk-io v0.16.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "0bf86e2829ac576d5d3c656b9c40b5e8849153c40d62a16f7f7b6993473c67ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bf86e2829ac576d5d3c656b9c40b5e8849153c40d62a16f7f7b6993473c67ae", kill_on_drop: false }`
[INFO] [stdout] 0bf86e2829ac576d5d3c656b9c40b5e8849153c40d62a16f7f7b6993473c67ae