[INFO] fetching crate silkbag 0.0.1...
[INFO] testing silkbag-0.0.1 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate silkbag 0.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate silkbag 0.0.1 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate silkbag 0.0.1
[INFO] finished tweaking crates.io crate silkbag 0.0.1
[INFO] tweaked toml for crates.io crate silkbag 0.0.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f968e8e136ae8d430b42bd739efe8d2c9b01cf2dc0b4b8905df7f3e4fa6f8781
[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" "f968e8e136ae8d430b42bd739efe8d2c9b01cf2dc0b4b8905df7f3e4fa6f8781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f968e8e136ae8d430b42bd739efe8d2c9b01cf2dc0b4b8905df7f3e4fa6f8781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f968e8e136ae8d430b42bd739efe8d2c9b01cf2dc0b4b8905df7f3e4fa6f8781", kill_on_drop: false }`
[INFO] [stdout] f968e8e136ae8d430b42bd739efe8d2c9b01cf2dc0b4b8905df7f3e4fa6f8781
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] 6eefac3278d4376ca9fa71ad9920601274cd1dcbcbda846f14d80d32c977694c
[INFO] running `Command { std: "docker" "start" "-a" "6eefac3278d4376ca9fa71ad9920601274cd1dcbcbda846f14d80d32c977694c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling cairo-rs v0.9.1
[INFO] [stderr]    Compiling paste v1.0.3
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling filetime v0.2.13
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling tar v0.4.30
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling imagefmt v4.0.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling rand_distr v0.3.0
[INFO] [stderr]    Compiling simba v0.3.1
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling glib-macros v0.10.1
[INFO] [stderr]    Compiling thiserror v1.0.22
[INFO] [stderr]    Compiling system-deps v1.3.2
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling glib-sys v0.10.1
[INFO] [stderr]    Compiling gobject-sys v0.10.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.10.0
[INFO] [stderr]    Compiling nalgebra v0.23.1
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling glib v0.10.3
[INFO] [stderr]    Compiling silkbag v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 51s
[INFO] running `Command { std: "docker" "inspect" "6eefac3278d4376ca9fa71ad9920601274cd1dcbcbda846f14d80d32c977694c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eefac3278d4376ca9fa71ad9920601274cd1dcbcbda846f14d80d32c977694c", kill_on_drop: false }`
[INFO] [stdout] 6eefac3278d4376ca9fa71ad9920601274cd1dcbcbda846f14d80d32c977694c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 365215e30989b06cb752295ee74289183e54026ad75815c96638a71ff7742017
[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" "365215e30989b06cb752295ee74289183e54026ad75815c96638a71ff7742017", kill_on_drop: false }`
[INFO] [stderr]    Compiling silkbag v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "365215e30989b06cb752295ee74289183e54026ad75815c96638a71ff7742017", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "365215e30989b06cb752295ee74289183e54026ad75815c96638a71ff7742017", kill_on_drop: false }`
[INFO] [stdout] 365215e30989b06cb752295ee74289183e54026ad75815c96638a71ff7742017
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] db27783839ecf9595ed3cb64d3274fefef6dcc21374865afe4fa1280a10fa1f3
[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" "db27783839ecf9595ed3cb64d3274fefef6dcc21374865afe4fa1280a10fa1f3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/silkbag-74ad253bfb375eaa
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/silkbag-ec853ff890a18146
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests silkbag
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "db27783839ecf9595ed3cb64d3274fefef6dcc21374865afe4fa1280a10fa1f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db27783839ecf9595ed3cb64d3274fefef6dcc21374865afe4fa1280a10fa1f3", kill_on_drop: false }`
[INFO] [stdout] db27783839ecf9595ed3cb64d3274fefef6dcc21374865afe4fa1280a10fa1f3