[INFO] fetching crate ttcore 0.2.35...
[INFO] testing ttcore-0.2.35 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate ttcore 0.2.35 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate ttcore 0.2.35 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ttcore 0.2.35
[INFO] finished tweaking crates.io crate ttcore 0.2.35
[INFO] tweaked toml for crates.io crate ttcore 0.2.35 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded myutil v0.2.652
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6db1848076ce687f6d861908103a6834ba8d04e288f4e7014d599302cf4e69f3
[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" "6db1848076ce687f6d861908103a6834ba8d04e288f4e7014d599302cf4e69f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6db1848076ce687f6d861908103a6834ba8d04e288f4e7014d599302cf4e69f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6db1848076ce687f6d861908103a6834ba8d04e288f4e7014d599302cf4e69f3", kill_on_drop: false }`
[INFO] [stdout] 6db1848076ce687f6d861908103a6834ba8d04e288f4e7014d599302cf4e69f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--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] c5b05ab82bfe3077da3d560ba362917a8349bea58ad8514adcd63ee70f918884
[INFO] running `Command { std: "docker" "start" "-a" "c5b05ab82bfe3077da3d560ba362917a8349bea58ad8514adcd63ee70f918884", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling futures-timer v3.0.2
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling myutil v0.2.652
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling ttcore_def v0.2.35
[INFO] [stderr]    Compiling ttcore v0.2.35 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.60s
[INFO] running `Command { std: "docker" "inspect" "c5b05ab82bfe3077da3d560ba362917a8349bea58ad8514adcd63ee70f918884", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5b05ab82bfe3077da3d560ba362917a8349bea58ad8514adcd63ee70f918884", kill_on_drop: false }`
[INFO] [stdout] c5b05ab82bfe3077da3d560ba362917a8349bea58ad8514adcd63ee70f918884
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--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] 575b418472a4f40703bf0fb2161c61d6c46efda5c7e31404b8658522aa7d5574
[INFO] running `Command { std: "docker" "start" "-a" "575b418472a4f40703bf0fb2161c61d6c46efda5c7e31404b8658522aa7d5574", kill_on_drop: false }`
[INFO] [stderr]    Compiling ttcore v0.2.35 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "575b418472a4f40703bf0fb2161c61d6c46efda5c7e31404b8658522aa7d5574", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "575b418472a4f40703bf0fb2161c61d6c46efda5c7e31404b8658522aa7d5574", kill_on_drop: false }`
[INFO] [stdout] 575b418472a4f40703bf0fb2161c61d6c46efda5c7e31404b8658522aa7d5574
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", 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] 0d531065d2ff5432f143241f7d7e8794b7d0facdeb1cea0579f2c1b85b28ac0a
[INFO] running `Command { std: "docker" "start" "-a" "0d531065d2ff5432f143241f7d7e8794b7d0facdeb1cea0579f2c1b85b28ac0a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ttcore-4103a1fbbe67714b)
[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] [stderr]    Doc-tests ttcore
[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" "0d531065d2ff5432f143241f7d7e8794b7d0facdeb1cea0579f2c1b85b28ac0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d531065d2ff5432f143241f7d7e8794b7d0facdeb1cea0579f2c1b85b28ac0a", kill_on_drop: false }`
[INFO] [stdout] 0d531065d2ff5432f143241f7d7e8794b7d0facdeb1cea0579f2c1b85b28ac0a