[INFO] updating cached repository emk/wasm-bloat
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/emk/wasm-bloat
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/emk/wasm-bloat" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/emk/wasm-bloat"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/emk/wasm-bloat'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/emk/wasm-bloat" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/emk/wasm-bloat"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/emk/wasm-bloat'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9363605c112128d886c4c13032cead62d498c335
[INFO] sha for GitHub repo emk/wasm-bloat: 9363605c112128d886c4c13032cead62d498c335
[INFO] validating manifest of emk/wasm-bloat on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of emk/wasm-bloat on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing emk/wasm-bloat
[INFO] finished frobbing emk/wasm-bloat
[INFO] frobbed toml for emk/wasm-bloat written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/emk/wasm-bloat/Cargo.toml
[INFO] started frobbing emk/wasm-bloat
[INFO] finished frobbing emk/wasm-bloat
[INFO] frobbed toml for emk/wasm-bloat written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/emk/wasm-bloat/Cargo.toml
[INFO] crate emk/wasm-bloat already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking emk/wasm-bloat against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-3/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/emk/wasm-bloat:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 17770379dc31ace9bc2f020389405748ae1784c6677cc2718328f5c3da7d4c38
[INFO] running `"docker" "start" "-a" "17770379dc31ace9bc2f020389405748ae1784c6677cc2718328f5c3da7d4c38"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking termcolor v0.3.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking rand v0.3.19
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking log v0.4.0
[INFO] [stderr]    Compiling structopt-derive v0.1.6
[INFO] [stderr]     Checking num v0.1.41
[INFO] [stderr]     Checking regex v0.2.3
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking clap v2.29.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking parking_lot_core v0.2.8
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking env_logger v0.5.0-rc.1
[INFO] [stderr]     Checking parity-wasm v0.19.0
[INFO] [stderr]     Checking backtrace v0.3.4
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking structopt v0.1.6
[INFO] [stderr]     Checking common_failures v0.1.0
[INFO] [stderr]     Checking wasm-bloat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::iter`
[INFO] [stderr]  --> src/name_section.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::iter;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter`
[INFO] [stderr]  --> src/name_section.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::iter;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `iter`
[INFO] [stderr]    --> src/index_map.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 |     fn iter(&self) -> Iter<T> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/name_section.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn new<S: Into<String>>(name: S) -> ModuleNameSection {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `name`
[INFO] [stderr]    --> src/name_section.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     pub fn name(&self) -> &str {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `name_mut`
[INFO] [stderr]    --> src/name_section.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     pub fn name_mut(&mut self) -> &mut String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `names_mut`
[INFO] [stderr]    --> src/name_section.rs:140:5
[INFO] [stderr]     |
[INFO] [stderr] 140 |     pub fn names_mut(&mut self) -> &mut NameMap {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `local_names`
[INFO] [stderr]    --> src/name_section.rs:170:5
[INFO] [stderr]     |
[INFO] [stderr] 170 |     pub fn local_names(&self) -> &IndexMap<NameMap> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `local_names_mut`
[INFO] [stderr]    --> src/name_section.rs:176:5
[INFO] [stderr]     |
[INFO] [stderr] 176 |     pub fn local_names_mut(&mut self) -> &mut IndexMap<NameMap> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `name`
[INFO] [stderr]    --> src/name_section.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     pub fn name(&self) -> &str {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `name_mut`
[INFO] [stderr]    --> src/name_section.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     pub fn name_mut(&mut self) -> &mut String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `local_names`
[INFO] [stderr]    --> src/name_section.rs:170:5
[INFO] [stderr]     |
[INFO] [stderr] 170 |     pub fn local_names(&self) -> &IndexMap<NameMap> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.21s
[INFO] running `"docker" "inspect" "17770379dc31ace9bc2f020389405748ae1784c6677cc2718328f5c3da7d4c38"`
[INFO] running `"docker" "rm" "-f" "17770379dc31ace9bc2f020389405748ae1784c6677cc2718328f5c3da7d4c38"`
[INFO] [stdout] 17770379dc31ace9bc2f020389405748ae1784c6677cc2718328f5c3da7d4c38