[INFO] fetching crate rsperftools 0.3.3...
[INFO] checking rsperftools-0.3.3 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate rsperftools 0.3.3 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate rsperftools 0.3.3 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rsperftools 0.3.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rsperftools 0.3.3
[INFO] tweaked toml for crates.io crate rsperftools 0.3.3 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate rsperftools 0.3.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded inferno v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 167776399aba5e72e7e592eef139f12b0ca79c8eb7f870ffbc57c63a3dccb4a2
[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" "167776399aba5e72e7e592eef139f12b0ca79c8eb7f870ffbc57c63a3dccb4a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "167776399aba5e72e7e592eef139f12b0ca79c8eb7f870ffbc57c63a3dccb4a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "167776399aba5e72e7e592eef139f12b0ca79c8eb7f870ffbc57c63a3dccb4a2", kill_on_drop: false }`
[INFO] [stdout] 167776399aba5e72e7e592eef139f12b0ca79c8eb7f870ffbc57c63a3dccb4a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee4f9250b475df17897ed8a971d0788dfb30ee8b60e0f1b6201110e906c74c22
[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" "ee4f9250b475df17897ed8a971d0788dfb30ee8b60e0f1b6201110e906c74c22", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking rsperftools v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / quick_error! {
[INFO] [stdout] 2  | |     #[derive(Debug)]
[INFO] [stdout] 3  | |     pub enum Error {
[INFO] [stdout] 4  | |         NixError(err: nix::Error) {
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |     }
[INFO] [stdout] 18 | | }
[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: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / quick_error! {
[INFO] [stdout] 2  | |     #[derive(Debug)]
[INFO] [stdout] 3  | |     pub enum Error {
[INFO] [stdout] 4  | |         NixError(err: nix::Error) {
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |     }
[INFO] [stdout] 18 | | }
[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: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / quick_error! {
[INFO] [stdout] 2  | |     #[derive(Debug)]
[INFO] [stdout] 3  | |     pub enum Error {
[INFO] [stdout] 4  | |         NixError(err: nix::Error) {
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |     }
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[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: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / quick_error! {
[INFO] [stdout] 2  | |     #[derive(Debug)]
[INFO] [stdout] 3  | |     pub enum Error {
[INFO] [stdout] 4  | |         NixError(err: nix::Error) {
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |     }
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[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: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / quick_error! {
[INFO] [stdout] 2  | |     #[derive(Debug)]
[INFO] [stdout] 3  | |     pub enum Error {
[INFO] [stdout] 4  | |         NixError(err: nix::Error) {
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |     }
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[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: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / quick_error! {
[INFO] [stdout] 2  | |     #[derive(Debug)]
[INFO] [stdout] 3  | |     pub enum Error {
[INFO] [stdout] 4  | |         NixError(err: nix::Error) {
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |     }
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[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: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / quick_error! {
[INFO] [stdout] 2  | |     #[derive(Debug)]
[INFO] [stdout] 3  | |     pub enum Error {
[INFO] [stdout] 4  | |         NixError(err: nix::Error) {
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |     }
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[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: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / quick_error! {
[INFO] [stdout] 2  | |     #[derive(Debug)]
[INFO] [stdout] 3  | |     pub enum Error {
[INFO] [stdout] 4  | |         NixError(err: nix::Error) {
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |     }
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[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: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / quick_error! {
[INFO] [stdout] 2  | |     #[derive(Debug)]
[INFO] [stdout] 3  | |     pub enum Error {
[INFO] [stdout] 4  | |         NixError(err: nix::Error) {
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |     }
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[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: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / quick_error! {
[INFO] [stdout] 2  | |     #[derive(Debug)]
[INFO] [stdout] 3  | |     pub enum Error {
[INFO] [stdout] 4  | |         NixError(err: nix::Error) {
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |     }
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[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: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]  --> src/error.rs:7:29
[INFO] [stdout]   |
[INFO] [stdout] 7 |             description(err.description())
[INFO] [stdout]   |                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:12:29
[INFO] [stdout]    |
[INFO] [stdout] 12 |             description(err.description())
[INFO] [stdout]    |                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]  --> src/error.rs:7:29
[INFO] [stdout]   |
[INFO] [stdout] 7 |             description(err.description())
[INFO] [stdout]   |                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:12:29
[INFO] [stdout]    |
[INFO] [stdout] 12 |             description(err.description())
[INFO] [stdout]    |                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.23s
[INFO] running `Command { std: "docker" "inspect" "ee4f9250b475df17897ed8a971d0788dfb30ee8b60e0f1b6201110e906c74c22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee4f9250b475df17897ed8a971d0788dfb30ee8b60e0f1b6201110e906c74c22", kill_on_drop: false }`
[INFO] [stdout] ee4f9250b475df17897ed8a971d0788dfb30ee8b60e0f1b6201110e906c74c22