[INFO] fetching crate silkbag 0.0.1...
[INFO] testing silkbag-0.0.1 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate silkbag 0.0.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate silkbag 0.0.1 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 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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] c8c9927ec7973e4a2debf088626eddf4208178af5ce5a22f729190035945786c
[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" "c8c9927ec7973e4a2debf088626eddf4208178af5ce5a22f729190035945786c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8c9927ec7973e4a2debf088626eddf4208178af5ce5a22f729190035945786c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8c9927ec7973e4a2debf088626eddf4208178af5ce5a22f729190035945786c", kill_on_drop: false }`
[INFO] [stdout] c8c9927ec7973e4a2debf088626eddf4208178af5ce5a22f729190035945786c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] d0ccfdbbf3966069b5eec9e9297a49cc03be1c7340dab72b296aca85edd3611d
[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" "d0ccfdbbf3966069b5eec9e9297a49cc03be1c7340dab72b296aca85edd3611d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling version-compare v0.0.11
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling cfg-expr v0.7.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling tar v0.4.35
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling imagefmt v4.0.0
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling approx v0.5.0
[INFO] [stderr]    Compiling simba v0.5.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling system-deps v3.1.2
[INFO] [stderr]    Compiling nalgebra v0.28.0
[INFO] [stderr]    Compiling glib-macros v0.14.1
[INFO] [stderr]    Compiling glib-sys v0.14.0
[INFO] [stderr]    Compiling gobject-sys v0.14.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.14.0
[INFO] [stderr]    Compiling glib v0.14.2
[INFO] [stderr]    Compiling cairo-rs v0.14.1
[INFO] [stderr]    Compiling silkbag v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.35s
[INFO] running `Command { std: "docker" "inspect" "d0ccfdbbf3966069b5eec9e9297a49cc03be1c7340dab72b296aca85edd3611d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0ccfdbbf3966069b5eec9e9297a49cc03be1c7340dab72b296aca85edd3611d", kill_on_drop: false }`
[INFO] [stdout] d0ccfdbbf3966069b5eec9e9297a49cc03be1c7340dab72b296aca85edd3611d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 3c4b66d085a642cba7d79396249679c47cce190c252b009e53571d3891879f83
[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" "3c4b66d085a642cba7d79396249679c47cce190c252b009e53571d3891879f83", kill_on_drop: false }`
[INFO] [stderr]    Compiling silkbag v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "3c4b66d085a642cba7d79396249679c47cce190c252b009e53571d3891879f83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c4b66d085a642cba7d79396249679c47cce190c252b009e53571d3891879f83", kill_on_drop: false }`
[INFO] [stdout] 3c4b66d085a642cba7d79396249679c47cce190c252b009e53571d3891879f83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 9ccf653c391be3888a45e097539b1279a333aec04e0f9259506f8fb5901f4ab6
[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" "9ccf653c391be3888a45e097539b1279a333aec04e0f9259506f8fb5901f4ab6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/silkbag-8321efcb8d9e9598)
[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]      Running unittests (/opt/rustwide/target/debug/deps/silkbag-d1697fdeed172d9d)
[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 silkbag
[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" "9ccf653c391be3888a45e097539b1279a333aec04e0f9259506f8fb5901f4ab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ccf653c391be3888a45e097539b1279a333aec04e0f9259506f8fb5901f4ab6", kill_on_drop: false }`
[INFO] [stdout] 9ccf653c391be3888a45e097539b1279a333aec04e0f9259506f8fb5901f4ab6