[INFO] crate rbspy 0.2.1 is already in cache
[INFO] extracting crate rbspy 0.2.1 into work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/reg/rbspy/0.2.1
[INFO] extracting crate rbspy 0.2.1 into work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/rbspy/0.2.1
[INFO] validating manifest of rbspy-0.2.1 on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rbspy-0.2.1 on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rbspy-0.2.1
[INFO] finished frobbing rbspy-0.2.1
[INFO] frobbed toml for rbspy-0.2.1 written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/reg/rbspy/0.2.1/Cargo.toml
[INFO] started frobbing rbspy-0.2.1
[INFO] finished frobbing rbspy-0.2.1
[INFO] frobbed toml for rbspy-0.2.1 written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/rbspy/0.2.1/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking rbspy-0.2.1 against try#58b21121d0b447ceb3f1a655155d802191acf044 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-0/try#58b21121d0b447ceb3f1a655155d802191acf044:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/rbspy/0.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5bbe6f31f8fe6b0309c1ad770366092b3b537317add66300a52a7a88f9fa9569
[INFO] running `"docker" "start" "-a" "5bbe6f31f8fe6b0309c1ad770366092b3b537317add66300a52a7a88f9fa9569"`
[INFO] [stderr]     Checking rbspy-ruby-structs v0.1.0
[INFO] [stderr]     Checking read-process-memory v0.1.2
[INFO] [stderr]     Checking rbspy-testdata v0.1.2
[INFO] [stderr]     Checking rbspy v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `rand` is imported redundantly
[INFO] [stderr]    --> src/main.rs:540:16
[INFO] [stderr]     |
[INFO] [stderr] 25  | extern crate rand;
[INFO] [stderr]     | ------------------ the item `rand` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 540 |     use rand::{self, Rng};
[INFO] [stderr]     |                ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `rand` is imported redundantly
[INFO] [stderr]    --> src/main.rs:540:16
[INFO] [stderr]     |
[INFO] [stderr] 25  | extern crate rand;
[INFO] [stderr]     | ------------------ the item `rand` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 540 |     use rand::{self, Rng};
[INFO] [stderr]     |                ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'failure::Error::causes': please use the 'iter_chain()' method instead
[INFO] [stderr]    --> src/main.rs:198:24
[INFO] [stderr]     |
[INFO] [stderr] 198 |             for c in x.causes() {
[INFO] [stderr]     |                        ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'failure::Error::causes': please use the 'iter_chain()' method instead
[INFO] [stderr]    --> src/main.rs:198:24
[INFO] [stderr]     |
[INFO] [stderr] 198 |             for c in x.causes() {
[INFO] [stderr]     |                        ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'failure::Fail::root_cause': please use the 'find_root_cause()' method instead
[INFO] [stderr]   --> src/core/initialize.rs:88:27
[INFO] [stderr]    |
[INFO] [stderr] 88 |                 match err.root_cause().downcast_ref::<AddressFinderError>() {
[INFO] [stderr]    |                           ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'failure::Fail::root_cause': please use the 'find_root_cause()' method instead
[INFO] [stderr]    --> src/core/initialize.rs:100:27
[INFO] [stderr]     |
[INFO] [stderr] 100 |                 match err.root_cause().downcast_ref::<MemoryCopyError>() {
[INFO] [stderr]     |                           ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'failure::Fail::root_cause': please use the 'find_root_cause()' method instead
[INFO] [stderr]   --> src/core/initialize.rs:88:27
[INFO] [stderr]    |
[INFO] [stderr] 88 |                 match err.root_cause().downcast_ref::<AddressFinderError>() {
[INFO] [stderr]    |                           ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'failure::Fail::root_cause': please use the 'find_root_cause()' method instead
[INFO] [stderr]    --> src/core/initialize.rs:100:27
[INFO] [stderr]     |
[INFO] [stderr] 100 |                 match err.root_cause().downcast_ref::<MemoryCopyError>() {
[INFO] [stderr]     |                           ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'failure::Error::root_cause': please use the 'find_root_cause()' method instead
[INFO] [stderr]    --> src/core/initialize.rs:133:10
[INFO] [stderr]     |
[INFO] [stderr] 133 |         .root_cause()
[INFO] [stderr]     |          ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'failure::Error::root_cause': please use the 'find_root_cause()' method instead
[INFO] [stderr]    --> src/core/initialize.rs:147:10
[INFO] [stderr]     |
[INFO] [stderr] 147 |         .root_cause()
[INFO] [stderr]     |          ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MacPermissionDenied`
[INFO] [stderr]   --> src/core/address_finder.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     MacPermissionDenied(pid_t),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MacPermissionDenied`
[INFO] [stderr]   --> src/core/address_finder.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     MacPermissionDenied(pid_t),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/ui/flamegraph.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |         stats.record(&vec![f(1)]);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/ui/flamegraph.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |         stats.record(&vec![f(2), f(1)]);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/ui/flamegraph.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |         stats.record(&vec![f(2), f(1)]);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/ui/flamegraph.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |         stats.record(&vec![f(2), f(3), f(1)]);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/ui/flamegraph.rs:75:9
[INFO] [stderr]    |
[INFO] [stderr] 75 |         stats.record(&vec![f(2), f(3), f(1)]);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/ui/flamegraph.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |         stats.record(&vec![f(2), f(3), f(1)]);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.18s
[INFO] running `"docker" "inspect" "5bbe6f31f8fe6b0309c1ad770366092b3b537317add66300a52a7a88f9fa9569"`
[INFO] running `"docker" "rm" "-f" "5bbe6f31f8fe6b0309c1ad770366092b3b537317add66300a52a7a88f9fa9569"`
[INFO] [stdout] 5bbe6f31f8fe6b0309c1ad770366092b3b537317add66300a52a7a88f9fa9569