[INFO] fetching crate virtual 0.0.0...
[INFO] testing virtual-0.0.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate virtual 0.0.0 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate virtual 0.0.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate virtual 0.0.0
[INFO] finished tweaking crates.io crate virtual 0.0.0
[INFO] tweaked toml for crates.io crate virtual 0.0.0 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5eb9026320fea98b7b1046b6128625ce9c960f315c9e268bda481c236abb55c
[INFO] running `Command { std: "docker" "start" "-a" "d5eb9026320fea98b7b1046b6128625ce9c960f315c9e268bda481c236abb55c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5eb9026320fea98b7b1046b6128625ce9c960f315c9e268bda481c236abb55c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5eb9026320fea98b7b1046b6128625ce9c960f315c9e268bda481c236abb55c", kill_on_drop: false }`
[INFO] [stdout] d5eb9026320fea98b7b1046b6128625ce9c960f315c9e268bda481c236abb55c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 040aeabeb9f64bbcbc3da05727e7f6061c046564eefcf00d53a4a048b59d68be
[INFO] running `Command { std: "docker" "start" "-a" "040aeabeb9f64bbcbc3da05727e7f6061c046564eefcf00d53a4a048b59d68be", kill_on_drop: false }`
[INFO] [stderr]    Compiling virtual v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "040aeabeb9f64bbcbc3da05727e7f6061c046564eefcf00d53a4a048b59d68be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "040aeabeb9f64bbcbc3da05727e7f6061c046564eefcf00d53a4a048b59d68be", kill_on_drop: false }`
[INFO] [stdout] 040aeabeb9f64bbcbc3da05727e7f6061c046564eefcf00d53a4a048b59d68be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 948ba635f01210a97ab37cee64903794a0d45aaef0477a6434698ef55405b0bc
[INFO] running `Command { std: "docker" "start" "-a" "948ba635f01210a97ab37cee64903794a0d45aaef0477a6434698ef55405b0bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling virtual v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "948ba635f01210a97ab37cee64903794a0d45aaef0477a6434698ef55405b0bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "948ba635f01210a97ab37cee64903794a0d45aaef0477a6434698ef55405b0bc", kill_on_drop: false }`
[INFO] [stdout] 948ba635f01210a97ab37cee64903794a0d45aaef0477a6434698ef55405b0bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f680c2a1b4148b537ddf09daab313955ff8ac1b4da9fdd5cce0ef1ffdb43fdc3
[INFO] running `Command { std: "docker" "start" "-a" "f680c2a1b4148b537ddf09daab313955ff8ac1b4da9fdd5cce0ef1ffdb43fdc3", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/virtual-44bff06b9524ad0b)
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    Doc-tests virtual
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f680c2a1b4148b537ddf09daab313955ff8ac1b4da9fdd5cce0ef1ffdb43fdc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f680c2a1b4148b537ddf09daab313955ff8ac1b4da9fdd5cce0ef1ffdb43fdc3", kill_on_drop: false }`
[INFO] [stdout] f680c2a1b4148b537ddf09daab313955ff8ac1b4da9fdd5cce0ef1ffdb43fdc3