[INFO] cloning repository https://github.com/myfreeweb/tiny-nix-ipc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/myfreeweb/tiny-nix-ipc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmyfreeweb%2Ftiny-nix-ipc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmyfreeweb%2Ftiny-nix-ipc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 373ee4e6756e4c0ef624fdb64dea3a710bb9e4b7
[INFO] testing myfreeweb/tiny-nix-ipc against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmyfreeweb%2Ftiny-nix-ipc" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/myfreeweb/tiny-nix-ipc on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/myfreeweb/tiny-nix-ipc
[INFO] finished tweaking git repo https://github.com/myfreeweb/tiny-nix-ipc
[INFO] tweaked toml for git repo https://github.com/myfreeweb/tiny-nix-ipc written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/myfreeweb/tiny-nix-ipc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a8ebc001a3b46a9ef5bff79ca4ff51ff9bd032c8071c6e8fe5cb0fad0062c88
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4a8ebc001a3b46a9ef5bff79ca4ff51ff9bd032c8071c6e8fe5cb0fad0062c88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a8ebc001a3b46a9ef5bff79ca4ff51ff9bd032c8071c6e8fe5cb0fad0062c88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a8ebc001a3b46a9ef5bff79ca4ff51ff9bd032c8071c6e8fe5cb0fad0062c88", kill_on_drop: false }`
[INFO] [stdout] 4a8ebc001a3b46a9ef5bff79ca4ff51ff9bd032c8071c6e8fe5cb0fad0062c88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 923134835d101cd3a7272d06f885d852665c5dee20e01974ec7efff840b1f18c
[INFO] running `Command { std: "docker" "start" "-a" "923134835d101cd3a7272d06f885d852665c5dee20e01974ec7efff840b1f18c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling tiny-nix-ipc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | /     error_chain!{
[INFO] [stdout] 28 | |         foreign_links {
[INFO] [stdout] 29 | |             Nix(::nix::Error);
[INFO] [stdout] 30 | |             Cbor(::serde_cbor::error::Error) #[cfg(feature = "ser_cbor")];
[INFO] [stdout] ...  |
[INFO] [stdout] 39 | |         }
[INFO] [stdout] 40 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.43s
[INFO] running `Command { std: "docker" "inspect" "923134835d101cd3a7272d06f885d852665c5dee20e01974ec7efff840b1f18c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "923134835d101cd3a7272d06f885d852665c5dee20e01974ec7efff840b1f18c", kill_on_drop: false }`
[INFO] [stdout] 923134835d101cd3a7272d06f885d852665c5dee20e01974ec7efff840b1f18c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b7096bd7f021c40b8b1aa741a7e2412a0886940fb1020c4c1681a2f0e07e225
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1b7096bd7f021c40b8b1aa741a7e2412a0886940fb1020c4c1681a2f0e07e225", kill_on_drop: false }`
[INFO] [stderr]    Compiling shmemfdrs v0.1.1
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | /     error_chain!{
[INFO] [stdout] 28 | |         foreign_links {
[INFO] [stdout] 29 | |             Nix(::nix::Error);
[INFO] [stdout] 30 | |             Cbor(::serde_cbor::error::Error) #[cfg(feature = "ser_cbor")];
[INFO] [stdout] ...  |
[INFO] [stdout] 39 | |         }
[INFO] [stdout] 40 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tiny-nix-ipc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | /     error_chain!{
[INFO] [stdout] 28 | |         foreign_links {
[INFO] [stdout] 29 | |             Nix(::nix::Error);
[INFO] [stdout] 30 | |             Cbor(::serde_cbor::error::Error) #[cfg(feature = "ser_cbor")];
[INFO] [stdout] ...  |
[INFO] [stdout] 39 | |         }
[INFO] [stdout] 40 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "1b7096bd7f021c40b8b1aa741a7e2412a0886940fb1020c4c1681a2f0e07e225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b7096bd7f021c40b8b1aa741a7e2412a0886940fb1020c4c1681a2f0e07e225", kill_on_drop: false }`
[INFO] [stdout] 1b7096bd7f021c40b8b1aa741a7e2412a0886940fb1020c4c1681a2f0e07e225
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 24287c5ae4ed88527dd0effd34085b701ab71471925b21ceed01643e9557ef57
[INFO] running `Command { std: "docker" "start" "-a" "24287c5ae4ed88527dd0effd34085b701ab71471925b21ceed01643e9557ef57", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout] running 4 tests
[INFO] [stderr]   --> src/lib.rs:27:5
[INFO] [stdout] test tests::test_slice_buf_too_short ... ok
[INFO] [stderr]    |
[INFO] [stdout] test tests::test_slice_success ... ok
[INFO] [stderr] 27 | /     error_chain!{
[INFO] [stdout] test tests::test_fd_passing ... ok
[INFO] [stderr] 28 | |         foreign_links {
[INFO] [stdout] test tests::test_slice_with_len_success ... ok
[INFO] [stderr] 29 | |             Nix(::nix::Error);
[INFO] [stdout] 
[INFO] [stderr] 30 | |             Cbor(::serde_cbor::error::Error) #[cfg(feature = "ser_cbor")];
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] ...  |
[INFO] [stdout] 
[INFO] [stderr] 39 | |         }
[INFO] [stderr] 40 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | /     error_chain!{
[INFO] [stderr] 28 | |         foreign_links {
[INFO] [stderr] 29 | |             Nix(::nix::Error);
[INFO] [stderr] 30 | |             Cbor(::serde_cbor::error::Error) #[cfg(feature = "ser_cbor")];
[INFO] [stderr] ...  |
[INFO] [stderr] 39 | |         }
[INFO] [stderr] 40 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tiny_nix_ipc-9196409a87fd1aed
[INFO] [stderr]    Doc-tests tiny-nix-ipc
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "24287c5ae4ed88527dd0effd34085b701ab71471925b21ceed01643e9557ef57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24287c5ae4ed88527dd0effd34085b701ab71471925b21ceed01643e9557ef57", kill_on_drop: false }`
[INFO] [stdout] 24287c5ae4ed88527dd0effd34085b701ab71471925b21ceed01643e9557ef57