[INFO] cloning repository https://github.com/kcuzner/backctl-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kcuzner/backctl-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkcuzner%2Fbackctl-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkcuzner%2Fbackctl-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d62bea9aa5b83d159397de3c52ff6d75a3ffb9a1
[INFO] testing kcuzner/backctl-rs against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkcuzner%2Fbackctl-rs" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kcuzner/backctl-rs on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kcuzner/backctl-rs
[INFO] finished tweaking git repo https://github.com/kcuzner/backctl-rs
[INFO] tweaked toml for git repo https://github.com/kcuzner/backctl-rs written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/kcuzner/backctl-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", 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] 820492f791a29d1891a741d07ed676fa9c91411a8b826ef85ddc3dd35c148aa9
[INFO] running `Command { std: "docker" "start" "-a" "820492f791a29d1891a741d07ed676fa9c91411a8b826ef85ddc3dd35c148aa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "820492f791a29d1891a741d07ed676fa9c91411a8b826ef85ddc3dd35c148aa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "820492f791a29d1891a741d07ed676fa9c91411a8b826ef85ddc3dd35c148aa9", kill_on_drop: false }`
[INFO] [stdout] 820492f791a29d1891a741d07ed676fa9c91411a8b826ef85ddc3dd35c148aa9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0f8e5c41c99be33e6c394ef4824817aed8ad7b00c7f9a8ebe1f2d30d351057c
[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" "d0f8e5c41c99be33e6c394ef4824817aed8ad7b00c7f9a8ebe1f2d30d351057c", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling udev v0.2.0
[INFO] [stderr]    Compiling backctl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `SubCommand`
[INFO] [stdout]  --> src/main.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | use clap::{App, Arg, SubCommand};
[INFO] [stdout]   |                      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / error_chain! {
[INFO] [stdout] 15 | |     foreign_links {
[INFO] [stdout] 16 | |         Udev(::udev::Error);
[INFO] [stdout] 17 | |         Io(::io::Error);
[INFO] [stdout] 18 | |         ParseInt(::num::ParseIntError);
[INFO] [stdout] 19 | |     }
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / error_chain! {
[INFO] [stdout] 15 | |     foreign_links {
[INFO] [stdout] 16 | |         Udev(::udev::Error);
[INFO] [stdout] 17 | |         Io(::io::Error);
[INFO] [stdout] 18 | |         ParseInt(::num::ParseIntError);
[INFO] [stdout] 19 | |     }
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/main.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / error_chain! {
[INFO] [stdout] 15 | |     foreign_links {
[INFO] [stdout] 16 | |         Udev(::udev::Error);
[INFO] [stdout] 17 | |         Io(::io::Error);
[INFO] [stdout] 18 | |         ParseInt(::num::ParseIntError);
[INFO] [stdout] 19 | |     }
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.84s
[INFO] running `Command { std: "docker" "inspect" "d0f8e5c41c99be33e6c394ef4824817aed8ad7b00c7f9a8ebe1f2d30d351057c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0f8e5c41c99be33e6c394ef4824817aed8ad7b00c7f9a8ebe1f2d30d351057c", kill_on_drop: false }`
[INFO] [stdout] d0f8e5c41c99be33e6c394ef4824817aed8ad7b00c7f9a8ebe1f2d30d351057c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--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] 2c1efa0fafff292ab3785621328fbff18c584c1a72a4db51ab8c95456d118b20
[INFO] running `Command { std: "docker" "start" "-a" "2c1efa0fafff292ab3785621328fbff18c584c1a72a4db51ab8c95456d118b20", kill_on_drop: false }`
[INFO] [stderr]    Compiling backctl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `SubCommand`
[INFO] [stdout]  --> src/main.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | use clap::{App, Arg, SubCommand};
[INFO] [stdout]   |                      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / error_chain! {
[INFO] [stdout] 15 | |     foreign_links {
[INFO] [stdout] 16 | |         Udev(::udev::Error);
[INFO] [stdout] 17 | |         Io(::io::Error);
[INFO] [stdout] 18 | |         ParseInt(::num::ParseIntError);
[INFO] [stdout] 19 | |     }
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / error_chain! {
[INFO] [stdout] 15 | |     foreign_links {
[INFO] [stdout] 16 | |         Udev(::udev::Error);
[INFO] [stdout] 17 | |         Io(::io::Error);
[INFO] [stdout] 18 | |         ParseInt(::num::ParseIntError);
[INFO] [stdout] 19 | |     }
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/main.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / error_chain! {
[INFO] [stdout] 15 | |     foreign_links {
[INFO] [stdout] 16 | |         Udev(::udev::Error);
[INFO] [stdout] 17 | |         Io(::io::Error);
[INFO] [stdout] 18 | |         ParseInt(::num::ParseIntError);
[INFO] [stdout] 19 | |     }
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "2c1efa0fafff292ab3785621328fbff18c584c1a72a4db51ab8c95456d118b20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c1efa0fafff292ab3785621328fbff18c584c1a72a4db51ab8c95456d118b20", kill_on_drop: false }`
[INFO] [stdout] 2c1efa0fafff292ab3785621328fbff18c584c1a72a4db51ab8c95456d118b20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0d8f1fdbeb6a2fe07b8f88432844d44c9c01a438af70cee74372bcb3e1023ea7
[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" "0d8f1fdbeb6a2fe07b8f88432844d44c9c01a438af70cee74372bcb3e1023ea7", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `SubCommand`
[INFO] [stderr]  --> src/main.rs:8:22
[INFO] [stderr]   |
[INFO] [stderr] 8 | use clap::{App, Arg, SubCommand};
[INFO] [stderr]   |                      ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | / error_chain! {
[INFO] [stderr] 15 | |     foreign_links {
[INFO] [stderr] 16 | |         Udev(::udev::Error);
[INFO] [stderr] 17 | |         Io(::io::Error);
[INFO] [stderr] 18 | |         ParseInt(::num::ParseIntError);
[INFO] [stderr] 19 | |     }
[INFO] [stderr] 20 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | / error_chain! {
[INFO] [stderr] 15 | |     foreign_links {
[INFO] [stderr] 16 | |         Udev(::udev::Error);
[INFO] [stderr] 17 | |         Io(::io::Error);
[INFO] [stderr] 18 | |         ParseInt(::num::ParseIntError);
[INFO] [stderr] 19 | |     }
[INFO] [stderr] 20 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | / error_chain! {
[INFO] [stderr] 15 | |     foreign_links {
[INFO] [stderr] 16 | |         Udev(::udev::Error);
[INFO] [stderr] 17 | |         Io(::io::Error);
[INFO] [stderr] 18 | |         ParseInt(::num::ParseIntError);
[INFO] [stderr] 19 | |     }
[INFO] [stderr] 20 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `backctl` (bin "backctl" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/backctl-a9041778a9cabd6f)
[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" "0d8f1fdbeb6a2fe07b8f88432844d44c9c01a438af70cee74372bcb3e1023ea7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d8f1fdbeb6a2fe07b8f88432844d44c9c01a438af70cee74372bcb3e1023ea7", kill_on_drop: false }`
[INFO] [stdout] 0d8f1fdbeb6a2fe07b8f88432844d44c9c01a438af70cee74372bcb3e1023ea7