[INFO] cloning repository https://github.com/jpfeltracco/AntNet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jpfeltracco/AntNet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpfeltracco%2FAntNet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpfeltracco%2FAntNet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 99b300833f32b1625df3a9bbba6cf5cbf266ccfe
[INFO] checking jpfeltracco/AntNet against master#893fadd11a52aa26fc19c67ee1b79f03d6a1bed3 for pr-77153
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpfeltracco%2FAntNet" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jpfeltracco/AntNet on toolchain 893fadd11a52aa26fc19c67ee1b79f03d6a1bed3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jpfeltracco/AntNet
[INFO] finished tweaking git repo https://github.com/jpfeltracco/AntNet
[INFO] tweaked toml for git repo https://github.com/jpfeltracco/AntNet written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/jpfeltracco/AntNet already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "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] 222355bb02b15e526058b9854ff558629d219aeb091df032c369b19fea28e792
[INFO] running `Command { std: "docker" "start" "-a" "222355bb02b15e526058b9854ff558629d219aeb091df032c369b19fea28e792", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "222355bb02b15e526058b9854ff558629d219aeb091df032c369b19fea28e792", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "222355bb02b15e526058b9854ff558629d219aeb091df032c369b19fea28e792", kill_on_drop: false }`
[INFO] [stdout] 222355bb02b15e526058b9854ff558629d219aeb091df032c369b19fea28e792
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7779d976737daba3a1b177536b5b3beb5b8f9ffe9779f32028175a3a79403dd6
[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" "7779d976737daba3a1b177536b5b3beb5b8f9ffe9779f32028175a3a79403dd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking stable_deref_trait v1.0.0
[INFO] [stderr]     Checking atom v0.3.4
[INFO] [stderr]     Checking tuple_utils v0.2.0
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]     Checking sdl2 v0.31.0
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rayon-core v1.4.0
[INFO] [stderr]     Checking rayon v1.0.1
[INFO] [stderr]    Compiling shred-derive v0.5.0-alpha1
[INFO] [stderr]     Checking hibitset v0.5.0
[INFO] [stderr]     Checking shred v0.7.0-alpha5
[INFO] [stderr]    Compiling derivative v1.0.0
[INFO] [stderr]     Checking shrev v1.0.0
[INFO] [stderr]     Checking specs v0.11.0-alpha6
[INFO] [stderr]     Checking specs_tut v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.24s
[INFO] running `Command { std: "docker" "inspect" "7779d976737daba3a1b177536b5b3beb5b8f9ffe9779f32028175a3a79403dd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7779d976737daba3a1b177536b5b3beb5b8f9ffe9779f32028175a3a79403dd6", kill_on_drop: false }`
[INFO] [stdout] 7779d976737daba3a1b177536b5b3beb5b8f9ffe9779f32028175a3a79403dd6