[INFO] fetching crate nxos 0.0.1...
[INFO] testing nxos-0.0.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate nxos 0.0.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate nxos 0.0.1
[INFO] finished tweaking crates.io crate nxos 0.0.1
[INFO] tweaked toml for crates.io crate nxos 0.0.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nxos 0.0.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94960e1540d2870f8c64d28c3c889763d487093f646e39b50cbc4bcc2f30fac8
[INFO] running `Command { std: "docker" "start" "-a" "94960e1540d2870f8c64d28c3c889763d487093f646e39b50cbc4bcc2f30fac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94960e1540d2870f8c64d28c3c889763d487093f646e39b50cbc4bcc2f30fac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94960e1540d2870f8c64d28c3c889763d487093f646e39b50cbc4bcc2f30fac8", kill_on_drop: false }`
[INFO] [stdout] 94960e1540d2870f8c64d28c3c889763d487093f646e39b50cbc4bcc2f30fac8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f00d522a03ce2a1d8e847686ac62b74324d999d74a91397742fb0b078a1848ab
[INFO] running `Command { std: "docker" "start" "-a" "f00d522a03ce2a1d8e847686ac62b74324d999d74a91397742fb0b078a1848ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling nxos v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `stderr` and `status` are never read
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct CommandResult {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 10 |     stdout: String,
[INFO] [stdout] 11 |     stderr: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 12 |     status: ExitStatus,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "f00d522a03ce2a1d8e847686ac62b74324d999d74a91397742fb0b078a1848ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f00d522a03ce2a1d8e847686ac62b74324d999d74a91397742fb0b078a1848ab", kill_on_drop: false }`
[INFO] [stdout] f00d522a03ce2a1d8e847686ac62b74324d999d74a91397742fb0b078a1848ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b656c717121f5e07e3f2b17bf0d7609c3f4b09fa112b0e1926f05e42ac59b6af
[INFO] running `Command { std: "docker" "start" "-a" "b656c717121f5e07e3f2b17bf0d7609c3f4b09fa112b0e1926f05e42ac59b6af", kill_on_drop: false }`
[INFO] [stdout] warning: fields `stderr` and `status` are never read
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct CommandResult {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 10 |     stdout: String,
[INFO] [stdout] 11 |     stderr: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 12 |     status: ExitStatus,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nxos v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `stderr` and `status` are never read
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct CommandResult {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 10 |     stdout: String,
[INFO] [stdout] 11 |     stderr: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 12 |     status: ExitStatus,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "b656c717121f5e07e3f2b17bf0d7609c3f4b09fa112b0e1926f05e42ac59b6af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b656c717121f5e07e3f2b17bf0d7609c3f4b09fa112b0e1926f05e42ac59b6af", kill_on_drop: false }`
[INFO] [stdout] b656c717121f5e07e3f2b17bf0d7609c3f4b09fa112b0e1926f05e42ac59b6af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 016594efa1e43d93dee4bb5bd0fb8421c451cea73d6cc292b661b98733bfa2e6
[INFO] running `Command { std: "docker" "start" "-a" "016594efa1e43d93dee4bb5bd0fb8421c451cea73d6cc292b661b98733bfa2e6", kill_on_drop: false }`
[INFO] [stderr] warning: fields `stderr` and `status` are never read
[INFO] [stderr]   --> src/lib.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr]  9 | pub struct CommandResult {
[INFO] [stderr]    |            ------------- fields in this struct
[INFO] [stderr] 10 |     stdout: String,
[INFO] [stderr] 11 |     stderr: String,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 12 |     status: ExitStatus,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `nxos` (lib) generated 1 warning
[INFO] [stderr] warning: `nxos` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nxos-bfd3061ec0f76e33)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests nxos
[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] [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" "016594efa1e43d93dee4bb5bd0fb8421c451cea73d6cc292b661b98733bfa2e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "016594efa1e43d93dee4bb5bd0fb8421c451cea73d6cc292b661b98733bfa2e6", kill_on_drop: false }`
[INFO] [stdout] 016594efa1e43d93dee4bb5bd0fb8421c451cea73d6cc292b661b98733bfa2e6