[INFO] fetching crate hydrum 0.0.0-placeholder...
[INFO] testing hydrum-0.0.0-placeholder against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate hydrum 0.0.0-placeholder into /workspace/builds/worker-40/source
[INFO] validating manifest of crates.io crate hydrum 0.0.0-placeholder 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 hydrum 0.0.0-placeholder
[INFO] finished tweaking crates.io crate hydrum 0.0.0-placeholder
[INFO] tweaked toml for crates.io crate hydrum 0.0.0-placeholder written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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] f24061caab4be30d86608851632335225332a4e3aca544d31c8f9ed43342c5c3
[INFO] running `Command { std: "docker" "start" "-a" "f24061caab4be30d86608851632335225332a4e3aca544d31c8f9ed43342c5c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f24061caab4be30d86608851632335225332a4e3aca544d31c8f9ed43342c5c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f24061caab4be30d86608851632335225332a4e3aca544d31c8f9ed43342c5c3", kill_on_drop: false }`
[INFO] [stdout] f24061caab4be30d86608851632335225332a4e3aca544d31c8f9ed43342c5c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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] [stdout] 5c1cdf6412ddc94eab61c51cd5ae2966435a7dec3fbbd14290d46628a81ff8fd
[INFO] running `Command { std: "docker" "start" "-a" "5c1cdf6412ddc94eab61c51cd5ae2966435a7dec3fbbd14290d46628a81ff8fd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hydrum v0.0.0-placeholder (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "5c1cdf6412ddc94eab61c51cd5ae2966435a7dec3fbbd14290d46628a81ff8fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c1cdf6412ddc94eab61c51cd5ae2966435a7dec3fbbd14290d46628a81ff8fd", kill_on_drop: false }`
[INFO] [stdout] 5c1cdf6412ddc94eab61c51cd5ae2966435a7dec3fbbd14290d46628a81ff8fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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] [stdout] 8fbd1e512d2ceb76c583604207240cdd1431ef11eb6a0e3d1dfc9ad4586e7e31
[INFO] running `Command { std: "docker" "start" "-a" "8fbd1e512d2ceb76c583604207240cdd1431ef11eb6a0e3d1dfc9ad4586e7e31", kill_on_drop: false }`
[INFO] [stderr]    Compiling hydrum v0.0.0-placeholder (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "8fbd1e512d2ceb76c583604207240cdd1431ef11eb6a0e3d1dfc9ad4586e7e31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fbd1e512d2ceb76c583604207240cdd1431ef11eb6a0e3d1dfc9ad4586e7e31", kill_on_drop: false }`
[INFO] [stdout] 8fbd1e512d2ceb76c583604207240cdd1431ef11eb6a0e3d1dfc9ad4586e7e31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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] [stdout] d3c00dce26e9721a5069179fc1fa891512923451ef2b76c8b0435103a341cb61
[INFO] running `Command { std: "docker" "start" "-a" "d3c00dce26e9721a5069179fc1fa891512923451ef2b76c8b0435103a341cb61", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hydrum-29c170a48d0394d1)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hydrum
[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" "d3c00dce26e9721a5069179fc1fa891512923451ef2b76c8b0435103a341cb61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3c00dce26e9721a5069179fc1fa891512923451ef2b76c8b0435103a341cb61", kill_on_drop: false }`
[INFO] [stdout] d3c00dce26e9721a5069179fc1fa891512923451ef2b76c8b0435103a341cb61