[INFO] fetching crate mmtc 0.2.13...
[INFO] testing mmtc-0.2.13 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate mmtc 0.2.13 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mmtc 0.2.13 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mmtc 0.2.13
[INFO] finished tweaking crates.io crate mmtc 0.2.13
[INFO] tweaked toml for crates.io crate mmtc 0.2.13 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate mmtc 0.2.13 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1cc50a9b81bdf4801627ca1e7c82e0f531e4ff0724502217c06762d0be8e5f27
[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" "1cc50a9b81bdf4801627ca1e7c82e0f531e4ff0724502217c06762d0be8e5f27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cc50a9b81bdf4801627ca1e7c82e0f531e4ff0724502217c06762d0be8e5f27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cc50a9b81bdf4801627ca1e7c82e0f531e4ff0724502217c06762d0be8e5f27", kill_on_drop: false }`
[INFO] [stdout] 1cc50a9b81bdf4801627ca1e7c82e0f531e4ff0724502217c06762d0be8e5f27
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4f3de4ba338aa96f22af94a65142fe164737dacf8672affd5258c16ee7f12f6
[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" "c4f3de4ba338aa96f22af94a65142fe164737dacf8672affd5258c16ee7f12f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling pin-project-lite v0.2.4
[INFO] [stderr]    Compiling futures-io v0.3.12
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling textwrap v0.12.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling futures-lite v1.11.3
[INFO] [stderr]    Compiling crossbeam-queue v0.3.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling mio v0.7.8
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling polling v2.0.2
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling signal-hook v0.1.17
[INFO] [stderr]    Compiling nb-connect v1.0.3
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling async-io v1.3.1
[INFO] [stderr]    Compiling crossterm v0.18.2
[INFO] [stderr]    Compiling crossterm v0.19.0
[INFO] [stderr]    Compiling async-net v1.5.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling expand v0.2.0
[INFO] [stderr]    Compiling clap v3.0.0-beta.2
[INFO] [stderr]    Compiling clap_generate v3.0.0-beta.2
[INFO] [stderr]    Compiling mmtc v0.2.13 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling ron v0.6.4
[INFO] [stderr]    Compiling tui v0.14.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.39s
[INFO] running `Command { std: "docker" "inspect" "c4f3de4ba338aa96f22af94a65142fe164737dacf8672affd5258c16ee7f12f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4f3de4ba338aa96f22af94a65142fe164737dacf8672affd5258c16ee7f12f6", kill_on_drop: false }`
[INFO] [stdout] c4f3de4ba338aa96f22af94a65142fe164737dacf8672affd5258c16ee7f12f6
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f71a0f89db17565622ad64e2a8e94436fbd200be3919fe56a4c60b8632e491c
[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" "2f71a0f89db17565622ad64e2a8e94436fbd200be3919fe56a4c60b8632e491c", kill_on_drop: false }`
[INFO] [stderr]    Compiling mmtc v0.2.13 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "2f71a0f89db17565622ad64e2a8e94436fbd200be3919fe56a4c60b8632e491c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f71a0f89db17565622ad64e2a8e94436fbd200be3919fe56a4c60b8632e491c", kill_on_drop: false }`
[INFO] [stdout] 2f71a0f89db17565622ad64e2a8e94436fbd200be3919fe56a4c60b8632e491c
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] db24dfcf27e0b24a1969ee7b4402af5a1f959b7b52857347c512aeea98a592d2
[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" "db24dfcf27e0b24a1969ee7b4402af5a1f959b7b52857347c512aeea98a592d2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mmtc-5f927bc55092a915)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "db24dfcf27e0b24a1969ee7b4402af5a1f959b7b52857347c512aeea98a592d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db24dfcf27e0b24a1969ee7b4402af5a1f959b7b52857347c512aeea98a592d2", kill_on_drop: false }`
[INFO] [stdout] db24dfcf27e0b24a1969ee7b4402af5a1f959b7b52857347c512aeea98a592d2