[INFO] cloning repository https://github.com/x13a/exec-guard
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/x13a/exec-guard" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fx13a%2Fexec-guard", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fx13a%2Fexec-guard'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 777d6162e93d99eaa026a9c220590efdf400f1c9
[INFO] testing x13a/exec-guard against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fx13a%2Fexec-guard" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/x13a/exec-guard
[INFO] finished tweaking git repo https://github.com/x13a/exec-guard
[INFO] tweaked toml for git repo https://github.com/x13a/exec-guard written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/x13a/exec-guard 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] crate git repo https://github.com/x13a/exec-guard 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" "+b83b707f97d809763b7861afa7638871f3339a33" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32d2ecd51cc53594f17e933dc03d2d6686e3802b558e671ab65f4a985aeef22a
[INFO] running `Command { std: "docker" "start" "-a" "32d2ecd51cc53594f17e933dc03d2d6686e3802b558e671ab65f4a985aeef22a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32d2ecd51cc53594f17e933dc03d2d6686e3802b558e671ab65f4a985aeef22a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32d2ecd51cc53594f17e933dc03d2d6686e3802b558e671ab65f4a985aeef22a", kill_on_drop: false }`
[INFO] [stdout] 32d2ecd51cc53594f17e933dc03d2d6686e3802b558e671ab65f4a985aeef22a
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 731877caa89d93dc351055c36beaa7f6b6a2dd71b23236bfc5f1ab588f1003fe
[INFO] running `Command { std: "docker" "start" "-a" "731877caa89d93dc351055c36beaa7f6b6a2dd71b23236bfc5f1ab588f1003fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling nom v2.2.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling minisign-verify v0.1.8
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling hash32 v0.1.1
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling nix v0.20.2
[INFO] [stderr]    Compiling as-slice v0.1.4
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling sha2 v0.9.3
[INFO] [stderr]    Compiling palaver v0.2.8
[INFO] [stderr]    Compiling gexec v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:368:25
[INFO] [stdout]     |
[INFO] [stdout] 368 |     let (pr, pw) = pipe(fcntl::OFlag::O_CLOEXEC)?;
[INFO] [stdout]     |                    ---- ^^^^^^^^^^^^^^^^^^^^^^^ expected `nix::fcntl::OFlag`, found `OFlag`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout] note: two different versions of crate `nix` are being used; two types coming from two different versions of the same crate are different types even if they look the same
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.15.0/src/fcntl.rs:35:1
[INFO] [stdout]     |
[INFO] [stdout]  35 | /  libc_bitflags!(
[INFO] [stdout]  36 | |      /// Configuration options for opened files.
[INFO] [stdout]  37 | |      pub struct OFlag: c_int {
[INFO] [stdout]  38 | |          /// Mask for the access mode of the file.
[INFO] [stdout] ...   |
[INFO] [stdout] 151 | |  );
[INFO] [stdout]     | |__^ this is the expected type `nix::fcntl::OFlag`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/main.rs:14:5
[INFO] [stdout]     |
[INFO] [stdout]  14 |    use nix::{fcntl, unistd};
[INFO] [stdout]     |        --- one version of crate `nix` used here, as a direct dependency of the current crate
[INFO] [stdout]  15 |    use palaver::file::{execve, fexecve, memfd_create, pipe, seal_fd};
[INFO] [stdout]     |        ------- one version of crate `nix` used here, as a dependency of crate `palaver`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.20.2/src/fcntl.rs:40:1
[INFO] [stdout]     |
[INFO] [stdout]  40 |  / libc_bitflags!(
[INFO] [stdout]  41 |  |     /// Configuration options for opened files.
[INFO] [stdout]  42 |  |     pub struct OFlag: c_int {
[INFO] [stdout]  43 |  |         /// Mask for the access mode of the file.
[INFO] [stdout] ...    |
[INFO] [stdout] 162 |  | );
[INFO] [stdout]     |  |_^ this is the found type `OFlag`
[INFO] [stdout]     = help: you can use `cargo tree` to explore your dependency tree
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/palaver-0.2.8/src/file.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout] 132 | pub fn pipe(flags: fcntl::OFlag) -> nix::Result<(Fd, Fd)> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     = note: this error originates in the macro `bitflags` which comes from the expansion of the macro `libc_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gexec` (bin "gexec") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "731877caa89d93dc351055c36beaa7f6b6a2dd71b23236bfc5f1ab588f1003fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "731877caa89d93dc351055c36beaa7f6b6a2dd71b23236bfc5f1ab588f1003fe", kill_on_drop: false }`
[INFO] [stdout] 731877caa89d93dc351055c36beaa7f6b6a2dd71b23236bfc5f1ab588f1003fe