[INFO] fetching crate yeast 0.20.2...
[INFO] testing yeast-0.20.2 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate yeast 0.20.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate yeast 0.20.2 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yeast 0.20.2
[INFO] finished tweaking crates.io crate yeast 0.20.2
[INFO] tweaked toml for crates.io crate yeast 0.20.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate yeast 0.20.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_termios v0.1.1
[INFO] [stderr]   Downloaded termion v1.5.1
[INFO] [stderr]   Downloaded atty v0.2.11
[INFO] [stderr]   Downloaded redox_syscall v0.1.44
[INFO] [stderr]   Downloaded textwrap v0.10.0
[INFO] [stderr]   Downloaded bitflags v1.0.4
[INFO] [stderr]   Downloaded rand v0.4.3
[INFO] [stderr]   Downloaded libc v0.2.45
[INFO] [stderr]   Downloaded clap v2.32.0
[INFO] [stderr]   Downloaded winapi v0.3.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6203c889ae447714290a4c9ef6850ecaf3ac4324124448362297f9d3d0d9d5a1
[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" "6203c889ae447714290a4c9ef6850ecaf3ac4324124448362297f9d3d0d9d5a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6203c889ae447714290a4c9ef6850ecaf3ac4324124448362297f9d3d0d9d5a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6203c889ae447714290a4c9ef6850ecaf3ac4324124448362297f9d3d0d9d5a1", kill_on_drop: false }`
[INFO] [stdout] 6203c889ae447714290a4c9ef6850ecaf3ac4324124448362297f9d3d0d9d5a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] b27ae97b3e474bb935b854943c24b5121fd5a0b6f18b3896be71fe2ccc6ee347
[INFO] running `Command { std: "docker" "start" "-a" "b27ae97b3e474bb935b854943c24b5121fd5a0b6f18b3896be71fe2ccc6ee347", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling yeast v0.20.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.82s
[INFO] running `Command { std: "docker" "inspect" "b27ae97b3e474bb935b854943c24b5121fd5a0b6f18b3896be71fe2ccc6ee347", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b27ae97b3e474bb935b854943c24b5121fd5a0b6f18b3896be71fe2ccc6ee347", kill_on_drop: false }`
[INFO] [stdout] b27ae97b3e474bb935b854943c24b5121fd5a0b6f18b3896be71fe2ccc6ee347
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] 592b1f4cbfefc162674ec4b2672f92b40eaeea1bc843de2a390d8a762a3ac635
[INFO] running `Command { std: "docker" "start" "-a" "592b1f4cbfefc162674ec4b2672f92b40eaeea1bc843de2a390d8a762a3ac635", kill_on_drop: false }`
[INFO] [stderr]    Compiling yeast v0.20.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "592b1f4cbfefc162674ec4b2672f92b40eaeea1bc843de2a390d8a762a3ac635", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "592b1f4cbfefc162674ec4b2672f92b40eaeea1bc843de2a390d8a762a3ac635", kill_on_drop: false }`
[INFO] [stdout] 592b1f4cbfefc162674ec4b2672f92b40eaeea1bc843de2a390d8a762a3ac635
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] c74915b492c8cdd4990e0f1fee98f5da89e7f74dc6b9d1a3e51ddc8881c176a2
[INFO] running `Command { std: "docker" "start" "-a" "c74915b492c8cdd4990e0f1fee98f5da89e7f74dc6b9d1a3e51ddc8881c176a2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/yeast-40c1113cfd812aa9)
[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" "c74915b492c8cdd4990e0f1fee98f5da89e7f74dc6b9d1a3e51ddc8881c176a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c74915b492c8cdd4990e0f1fee98f5da89e7f74dc6b9d1a3e51ddc8881c176a2", kill_on_drop: false }`
[INFO] [stdout] c74915b492c8cdd4990e0f1fee98f5da89e7f74dc6b9d1a3e51ddc8881c176a2