[INFO] fetching crate rustogram 0.1.4...
[INFO] checking rustogram-0.1.4 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate rustogram 0.1.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rustogram 0.1.4 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustogram 0.1.4
[INFO] finished tweaking crates.io crate rustogram 0.1.4
[INFO] tweaked toml for crates.io crate rustogram 0.1.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 877b5a57dac65c90d08ff383762b5f5bae9e486fe10f36d6a2b90edb056a12cd
[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" "877b5a57dac65c90d08ff383762b5f5bae9e486fe10f36d6a2b90edb056a12cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "877b5a57dac65c90d08ff383762b5f5bae9e486fe10f36d6a2b90edb056a12cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "877b5a57dac65c90d08ff383762b5f5bae9e486fe10f36d6a2b90edb056a12cd", kill_on_drop: false }`
[INFO] [stdout] 877b5a57dac65c90d08ff383762b5f5bae9e486fe10f36d6a2b90edb056a12cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acffa984f7fdec105eaf0862bdc62d46beb1eaf86a3f4e4356ac4fd4023388c4
[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" "acffa984f7fdec105eaf0862bdc62d46beb1eaf86a3f4e4356ac4fd4023388c4", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking rustogram v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/histogram.rs:543:9
[INFO] [stdout]     |
[INFO] [stdout] 543 |         try!(write!(f, "Histogram["));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/histogram.rs:544:9
[INFO] [stdout]     |
[INFO] [stdout] 544 |         try!(write!(f, "total_count: {}, ", self.total_count));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/histogram.rs:545:9
[INFO] [stdout]     |
[INFO] [stdout] 545 |         try!(write!(f,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/histogram.rs:548:9
[INFO] [stdout]     |
[INFO] [stdout] 548 |         try!(write!(f,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/histogram.rs:551:9
[INFO] [stdout]     |
[INFO] [stdout] 551 |         try!(write!(f,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/histogram.rs:554:9
[INFO] [stdout]     |
[INFO] [stdout] 554 |         try!(write!(f, "bucket_count: {}, ", self.bucket_count));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/histogram.rs:555:9
[INFO] [stdout]     |
[INFO] [stdout] 555 |         try!(write!(f, "sub_bucket_count: {}, ", self.sub_bucket_count));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/histogram.rs:556:9
[INFO] [stdout]     |
[INFO] [stdout] 556 |         try!(write!(f, "counts_array_length: {}, ", self.counts_array_length));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/histogram.rs:557:9
[INFO] [stdout]     |
[INFO] [stdout] 557 |         try!(write!(f, "word_size_in_bytes: {}, ", self.word_size_in_bytes));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/iter.rs:275:9
[INFO] [stdout]     |
[INFO] [stdout] 275 |         try!(write!(f, "Value["));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/iter.rs:276:9
[INFO] [stdout]     |
[INFO] [stdout] 276 |         try!(write!(f, "value_iterated_to: {}, ", self.value_iterated_to));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/iter.rs:277:9
[INFO] [stdout]     |
[INFO] [stdout] 277 |         try!(write!(f, "value_iterated_from: {}, ", self.value_iterated_from));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/iter.rs:278:9
[INFO] [stdout]     |
[INFO] [stdout] 278 |         try!(write!(f,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/iter.rs:281:9
[INFO] [stdout]     |
[INFO] [stdout] 281 |         try!(write!(f,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/iter.rs:284:9
[INFO] [stdout]     |
[INFO] [stdout] 284 |         try!(write!(f,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/iter.rs:287:9
[INFO] [stdout]     |
[INFO] [stdout] 287 |         try!(write!(f,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/iter.rs:290:9
[INFO] [stdout]     |
[INFO] [stdout] 290 |         try!(write!(f, "percentile: {}, ", self.percentile));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/iter.rs:291:9
[INFO] [stdout]     |
[INFO] [stdout] 291 |         try!(write!(f,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/iter.rs:166:50
[INFO] [stdout]     |
[INFO] [stdout] 166 | / ...                   (self.total_count_to_current_index -
[INFO] [stdout] 167 | | ...                    self.total_count_to_prev_index),
[INFO] [stdout]     | |______________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 166 |                                                  self.total_count_to_current_index -
[INFO] [stdout] 167 |                                                   self.total_count_to_prev_index,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/iter.rs:170:50
[INFO] [stdout]     |
[INFO] [stdout] 170 | / ...                   ((100.0f64 *
[INFO] [stdout] 171 | | ...                     self.total_count_to_current_index as f64) /
[INFO] [stdout] 172 | | ...                    (self.array_total_count as f64)),
[INFO] [stdout]     | |_______________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 170 |                                                  (100.0f64 *
[INFO] [stdout] 171 |                                                    self.total_count_to_current_index as f64) /
[INFO] [stdout] 172 |                                                   (self.array_total_count as f64),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/histogram.rs:543:9
[INFO] [stdout]     |
[INFO] [stdout] 543 |         try!(write!(f, "Histogram["));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/histogram.rs:544:9
[INFO] [stdout]     |
[INFO] [stdout] 544 |         try!(write!(f, "total_count: {}, ", self.total_count));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/histogram.rs:545:9
[INFO] [stdout]     |
[INFO] [stdout] 545 |         try!(write!(f,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/histogram.rs:548:9
[INFO] [stdout]     |
[INFO] [stdout] 548 |         try!(write!(f,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/histogram.rs:551:9
[INFO] [stdout]     |
[INFO] [stdout] 551 |         try!(write!(f,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/histogram.rs:554:9
[INFO] [stdout]     |
[INFO] [stdout] 554 |         try!(write!(f, "bucket_count: {}, ", self.bucket_count));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/histogram.rs:555:9
[INFO] [stdout]     |
[INFO] [stdout] 555 |         try!(write!(f, "sub_bucket_count: {}, ", self.sub_bucket_count));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/histogram.rs:556:9
[INFO] [stdout]     |
[INFO] [stdout] 556 |         try!(write!(f, "counts_array_length: {}, ", self.counts_array_length));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/histogram.rs:557:9
[INFO] [stdout]     |
[INFO] [stdout] 557 |         try!(write!(f, "word_size_in_bytes: {}, ", self.word_size_in_bytes));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/iter.rs:275:9
[INFO] [stdout]     |
[INFO] [stdout] 275 |         try!(write!(f, "Value["));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/iter.rs:276:9
[INFO] [stdout]     |
[INFO] [stdout] 276 |         try!(write!(f, "value_iterated_to: {}, ", self.value_iterated_to));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/iter.rs:277:9
[INFO] [stdout]     |
[INFO] [stdout] 277 |         try!(write!(f, "value_iterated_from: {}, ", self.value_iterated_from));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/iter.rs:278:9
[INFO] [stdout]     |
[INFO] [stdout] 278 |         try!(write!(f,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/iter.rs:281:9
[INFO] [stdout]     |
[INFO] [stdout] 281 |         try!(write!(f,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/iter.rs:284:9
[INFO] [stdout]     |
[INFO] [stdout] 284 |         try!(write!(f,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/iter.rs:287:9
[INFO] [stdout]     |
[INFO] [stdout] 287 |         try!(write!(f,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/iter.rs:290:9
[INFO] [stdout]     |
[INFO] [stdout] 290 |         try!(write!(f, "percentile: {}, ", self.percentile));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/iter.rs:291:9
[INFO] [stdout]     |
[INFO] [stdout] 291 |         try!(write!(f,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/iter.rs:166:50
[INFO] [stdout]     |
[INFO] [stdout] 166 | / ...                   (self.total_count_to_current_index -
[INFO] [stdout] 167 | | ...                    self.total_count_to_prev_index),
[INFO] [stdout]     | |______________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 166 |                                                  self.total_count_to_current_index -
[INFO] [stdout] 167 |                                                   self.total_count_to_prev_index,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/iter.rs:170:50
[INFO] [stdout]     |
[INFO] [stdout] 170 | / ...                   ((100.0f64 *
[INFO] [stdout] 171 | | ...                     self.total_count_to_current_index as f64) /
[INFO] [stdout] 172 | | ...                    (self.array_total_count as f64)),
[INFO] [stdout]     | |_______________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 170 |                                                  (100.0f64 *
[INFO] [stdout] 171 |                                                    self.total_count_to_current_index as f64) /
[INFO] [stdout] 172 |                                                   (self.array_total_count as f64),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.77s
[INFO] running `Command { std: "docker" "inspect" "acffa984f7fdec105eaf0862bdc62d46beb1eaf86a3f4e4356ac4fd4023388c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acffa984f7fdec105eaf0862bdc62d46beb1eaf86a3f4e4356ac4fd4023388c4", kill_on_drop: false }`
[INFO] [stdout] acffa984f7fdec105eaf0862bdc62d46beb1eaf86a3f4e4356ac4fd4023388c4
