[INFO] cloning repository https://github.com/jmbaur/nix-sandbox-escape-hatch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jmbaur/nix-sandbox-escape-hatch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmbaur%2Fnix-sandbox-escape-hatch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmbaur%2Fnix-sandbox-escape-hatch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d05c6ea343e7a049ee7060d430844590d93d7aa2
[INFO] checking jmbaur/nix-sandbox-escape-hatch against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmbaur%2Fnix-sandbox-escape-hatch" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jmbaur/nix-sandbox-escape-hatch on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jmbaur/nix-sandbox-escape-hatch
[INFO] finished tweaking git repo https://github.com/jmbaur/nix-sandbox-escape-hatch
[INFO] tweaked toml for git repo https://github.com/jmbaur/nix-sandbox-escape-hatch written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jmbaur/nix-sandbox-escape-hatch already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded utf8-cstr v0.1.6
[INFO] [stderr]   Downloaded build-env v0.3.1
[INFO] [stderr]   Downloaded systemd v0.10.0
[INFO] [stderr]   Downloaded cstr-argument v0.1.2
[INFO] [stderr]   Downloaded libsystemd-sys v0.9.3
[INFO] [stderr]   Downloaded xattr v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f32b3b175ef8942d4e5467ee434dfd1d38600a989a2c78eedcb0947c1038033
[INFO] running `Command { std: "docker" "start" "-a" "3f32b3b175ef8942d4e5467ee434dfd1d38600a989a2c78eedcb0947c1038033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f32b3b175ef8942d4e5467ee434dfd1d38600a989a2c78eedcb0947c1038033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f32b3b175ef8942d4e5467ee434dfd1d38600a989a2c78eedcb0947c1038033", kill_on_drop: false }`
[INFO] [stdout] 3f32b3b175ef8942d4e5467ee434dfd1d38600a989a2c78eedcb0947c1038033
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2446b5b00f9d6fe4cfb92dd16debcdc758107dd8ffbed31566f30da04c5df435
[INFO] running `Command { std: "docker" "start" "-a" "2446b5b00f9d6fe4cfb92dd16debcdc758107dd8ffbed31566f30da04c5df435", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]    Compiling build-env v0.3.1
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking linux-raw-sys v0.4.10
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking foreign-types-shared v0.3.1
[INFO] [stderr]     Checking utf8-cstr v0.1.6
[INFO] [stderr]     Checking termcolor v1.3.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling libsystemd-sys v0.9.3
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking cstr-argument v0.1.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking filetime v0.2.22
[INFO] [stderr]     Checking xattr v1.0.1
[INFO] [stderr]     Checking tar v0.4.40
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]    Compiling foreign-types-macros v0.2.3
[INFO] [stderr]     Checking foreign-types v0.5.0
[INFO] [stderr]     Checking systemd v0.10.0
[INFO] [stderr]     Checking nix-sandbox-escape-hatch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 |     CommandFailedStatusCode(u8),
[INFO] [stdout]    |     ----------------------- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 10 |     CommandFailedStatusCode(()),
[INFO] [stdout]    |                             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Io(std::io::Error),
[INFO] [stdout]    |     -- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Io(()),
[INFO] [stdout]    |        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 |     CommandFailedStatusCode(u8),
[INFO] [stdout]    |     ----------------------- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 10 |     CommandFailedStatusCode(()),
[INFO] [stdout]    |                             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Io(std::io::Error),
[INFO] [stdout]    |     -- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Io(()),
[INFO] [stdout]    |        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.45s
[INFO] running `Command { std: "docker" "inspect" "2446b5b00f9d6fe4cfb92dd16debcdc758107dd8ffbed31566f30da04c5df435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2446b5b00f9d6fe4cfb92dd16debcdc758107dd8ffbed31566f30da04c5df435", kill_on_drop: false }`
[INFO] [stdout] 2446b5b00f9d6fe4cfb92dd16debcdc758107dd8ffbed31566f30da04c5df435
[INFO] checking jmbaur/nix-sandbox-escape-hatch against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmbaur%2Fnix-sandbox-escape-hatch" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jmbaur/nix-sandbox-escape-hatch on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jmbaur/nix-sandbox-escape-hatch
[INFO] finished tweaking git repo https://github.com/jmbaur/nix-sandbox-escape-hatch
[INFO] tweaked toml for git repo https://github.com/jmbaur/nix-sandbox-escape-hatch written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jmbaur/nix-sandbox-escape-hatch already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34926ca10e9866a3e235032fcc2a44c65cbcaf002b0424d3d72b5dd0900b9076
[INFO] running `Command { std: "docker" "start" "-a" "34926ca10e9866a3e235032fcc2a44c65cbcaf002b0424d3d72b5dd0900b9076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34926ca10e9866a3e235032fcc2a44c65cbcaf002b0424d3d72b5dd0900b9076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34926ca10e9866a3e235032fcc2a44c65cbcaf002b0424d3d72b5dd0900b9076", kill_on_drop: false }`
[INFO] [stdout] 34926ca10e9866a3e235032fcc2a44c65cbcaf002b0424d3d72b5dd0900b9076
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d18d86ede347521a1d98d626f7d37b7c82ff83357a6ad1761539dbf8d13057d4
[INFO] running `Command { std: "docker" "start" "-a" "d18d86ede347521a1d98d626f7d37b7c82ff83357a6ad1761539dbf8d13057d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling build-env v0.3.1
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]     Checking linux-raw-sys v0.4.10
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking foreign-types-shared v0.3.1
[INFO] [stderr]     Checking termcolor v1.3.0
[INFO] [stderr]     Checking utf8-cstr v0.1.6
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling libsystemd-sys v0.9.3
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/libsystemd-sys-0.9.3/build.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 | /             match library {
[INFO] [stdout] 32 | |                 Ok(_) => {
[INFO] [stdout] 33 | |                     // pkg-config says it has it, so we'll trust it to have done the right thing
[INFO] [stdout] 34 | |                     return;
[INFO] [stdout] ...  |
[INFO] [stdout] 39 | |                 }
[INFO] [stdout] 40 | |             };
[INFO] [stdout]    | |_____________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libsystemd-sys` (build script) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d18d86ede347521a1d98d626f7d37b7c82ff83357a6ad1761539dbf8d13057d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d18d86ede347521a1d98d626f7d37b7c82ff83357a6ad1761539dbf8d13057d4", kill_on_drop: false }`
[INFO] [stdout] d18d86ede347521a1d98d626f7d37b7c82ff83357a6ad1761539dbf8d13057d4