[INFO] fetching crate virtual-io 0.1.0...
[INFO] testing virtual-io-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate virtual-io 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate virtual-io 0.1.0
[INFO] finished tweaking crates.io crate virtual-io 0.1.0
[INFO] tweaked toml for crates.io crate virtual-io 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate virtual-io 0.1.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0175d0a85ef0665741fbc3863ad6af708c2b188c4b1f1c1313e54241f756bce2
[INFO] running `Command { std: "docker" "start" "-a" "0175d0a85ef0665741fbc3863ad6af708c2b188c4b1f1c1313e54241f756bce2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0175d0a85ef0665741fbc3863ad6af708c2b188c4b1f1c1313e54241f756bce2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0175d0a85ef0665741fbc3863ad6af708c2b188c4b1f1c1313e54241f756bce2", kill_on_drop: false }`
[INFO] [stdout] 0175d0a85ef0665741fbc3863ad6af708c2b188c4b1f1c1313e54241f756bce2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78f55fb409551e7b52d09d4d95cc2cb76bfcb81e3c7398f858e9990c9fb44c5a
[INFO] running `Command { std: "docker" "start" "-a" "78f55fb409551e7b52d09d4d95cc2cb76bfcb81e3c7398f858e9990c9fb44c5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling virtual-io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "78f55fb409551e7b52d09d4d95cc2cb76bfcb81e3c7398f858e9990c9fb44c5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78f55fb409551e7b52d09d4d95cc2cb76bfcb81e3c7398f858e9990c9fb44c5a", kill_on_drop: false }`
[INFO] [stdout] 78f55fb409551e7b52d09d4d95cc2cb76bfcb81e3c7398f858e9990c9fb44c5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 508617e2055ee22eac25156f4322a3d4c60644ab22e9d0dee948138cf1b86964
[INFO] running `Command { std: "docker" "start" "-a" "508617e2055ee22eac25156f4322a3d4c60644ab22e9d0dee948138cf1b86964", kill_on_drop: false }`
[INFO] [stderr]    Compiling virtual-io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "508617e2055ee22eac25156f4322a3d4c60644ab22e9d0dee948138cf1b86964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "508617e2055ee22eac25156f4322a3d4c60644ab22e9d0dee948138cf1b86964", kill_on_drop: false }`
[INFO] [stdout] 508617e2055ee22eac25156f4322a3d4c60644ab22e9d0dee948138cf1b86964
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] db372f8dbec18e18e26b723c14e168130912e3a4e725193fa42aabd2c87898d8
[INFO] running `Command { std: "docker" "start" "-a" "db372f8dbec18e18e26b723c14e168130912e3a4e725193fa42aabd2c87898d8", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/virtual_io-d45f5e18ae018274)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test vio_fake::test::vio_fake_handles_correct_ordering_of_io ... ok
[INFO] [stdout] test vio_fake::test::vio_fake_handles_incorrect_print_messages ... ok
[INFO] [stdout] test vio_fake::test::vio_fake_handles_correct_print_messages ... ok
[INFO] [stdout] test vio_fake::test::vio_fake_handles_correct_read_line_messages ... ok
[INFO] [stdout] test vio_fake::test::vio_get_environment_variables ... ok
[INFO] [stdout] test vio_fake_builder::test::vio_fake_builder_consecutive_print_statements_collapse_into_single_message ... ok
[INFO] [stdout] test vio_fake::test::vio_get_environment_variable ... ok
[INFO] [stdout] test vio_fake_builder::test::vio_fake_builder_inputs_do_not_collapse ... ok
[INFO] [stdout] test vio_fake_builder::test::vio_fake_builder_environment_variables ... ok
[INFO] [stdout] test vio_fake_builder::test::vio_fake_builder_prints ... ok
[INFO] [stdout] test vio_fake_builder::test::vio_fake_builder_accepts_input ... ok
[INFO] [stdout] test vio_fake::test::vio_fake_panics_on_incorrect_ordering_of_io - should panic ... ok
[INFO] [stderr]    Doc-tests virtual_io
[INFO] [stdout] test vio_fake::test::vio_fake_panics_if_not_enough_inputs - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/vio_fake_builder.rs - vio_fake_builder::VioFakeBuilder (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.20s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "db372f8dbec18e18e26b723c14e168130912e3a4e725193fa42aabd2c87898d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db372f8dbec18e18e26b723c14e168130912e3a4e725193fa42aabd2c87898d8", kill_on_drop: false }`
[INFO] [stdout] db372f8dbec18e18e26b723c14e168130912e3a4e725193fa42aabd2c87898d8