[INFO] fetching crate rsperftools 0.3.3...
[INFO] checking rsperftools-0.3.3 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate rsperftools 0.3.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rsperftools 0.3.3 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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-7/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 473bb76c61483482310947f0026955b66130baa1c7c9ad94836a50ae01863282
[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" "473bb76c61483482310947f0026955b66130baa1c7c9ad94836a50ae01863282", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "473bb76c61483482310947f0026955b66130baa1c7c9ad94836a50ae01863282", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "473bb76c61483482310947f0026955b66130baa1c7c9ad94836a50ae01863282", kill_on_drop: false }`
[INFO] [stdout] 473bb76c61483482310947f0026955b66130baa1c7c9ad94836a50ae01863282
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--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] 2d0e88ac9b980e2e71d18c232467a17fba4dae620d45a9f1c0aae44f66fc1e8c
[INFO] running `Command { std: "docker" "start" "-a" "2d0e88ac9b980e2e71d18c232467a17fba4dae620d45a9f1c0aae44f66fc1e8c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking rand_core v0.5.1
[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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 16.35s
[INFO] running `Command { std: "docker" "inspect" "2d0e88ac9b980e2e71d18c232467a17fba4dae620d45a9f1c0aae44f66fc1e8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d0e88ac9b980e2e71d18c232467a17fba4dae620d45a9f1c0aae44f66fc1e8c", kill_on_drop: false }`
[INFO] [stdout] 2d0e88ac9b980e2e71d18c232467a17fba4dae620d45a9f1c0aae44f66fc1e8c