[INFO] updating cached repository totoroyyb/Infix2Postfix-Rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/totoroyyb/Infix2Postfix-Rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/totoroyyb/Infix2Postfix-Rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/totoroyyb/Infix2Postfix-Rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/totoroyyb/Infix2Postfix-Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/totoroyyb/Infix2Postfix-Rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/totoroyyb/Infix2Postfix-Rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/totoroyyb/Infix2Postfix-Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d865c158fbd727dd0d217a9070678216f7aa7d1f
[INFO] sha for GitHub repo totoroyyb/Infix2Postfix-Rust: d865c158fbd727dd0d217a9070678216f7aa7d1f
[INFO] validating manifest of totoroyyb/Infix2Postfix-Rust on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of totoroyyb/Infix2Postfix-Rust on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing totoroyyb/Infix2Postfix-Rust
[INFO] finished frobbing totoroyyb/Infix2Postfix-Rust
[INFO] frobbed toml for totoroyyb/Infix2Postfix-Rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/totoroyyb/Infix2Postfix-Rust/Cargo.toml
[INFO] started frobbing totoroyyb/Infix2Postfix-Rust
[INFO] finished frobbing totoroyyb/Infix2Postfix-Rust
[INFO] frobbed toml for totoroyyb/Infix2Postfix-Rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/totoroyyb/Infix2Postfix-Rust/Cargo.toml
[INFO] crate totoroyyb/Infix2Postfix-Rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing totoroyyb/Infix2Postfix-Rust against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/totoroyyb/Infix2Postfix-Rust:/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] cf024b5586e44f8537e7d868c32e4fd3b85919f654aa5e0f20500018c568cbf2
[INFO] running `"docker" "start" "-a" "cf024b5586e44f8537e7d868c32e4fd3b85919f654aa5e0f20500018c568cbf2"`
[INFO] [stderr]    Compiling your v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/lib.rs:138:13
[INFO] [stderr]     |
[INFO] [stderr] 138 |         for x in 0..stack.len() {
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]  --> src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn main() {
[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/lib.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     handle.read_to_string(&mut buffer);
[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: denote infinite loops with `loop { ... }`
[INFO] [stderr]   --> src/lib.rs:91:17
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 while true {
[INFO] [stderr]    |                 ^^^^^^^^^^ help: use `loop`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(while_true)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: denote infinite loops with `loop { ... }`
[INFO] [stderr]    --> src/lib.rs:108:21
[INFO] [stderr]     |
[INFO] [stderr] 108 |                     while true {
[INFO] [stderr]     |                     ^^^^^^^^^^ help: use `loop`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `eachEle` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:170:13
[INFO] [stderr]     |
[INFO] [stderr] 170 |         for eachEle in tokens {
[INFO] [stderr]     |             ^^^^^^^ help: convert the identifier to snake case: `each_ele`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `eachEle` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:222:13
[INFO] [stderr]     |
[INFO] [stderr] 222 |         for eachEle in tokens {
[INFO] [stderr]     |             ^^^^^^^ help: convert the identifier to snake case: `each_ele`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "cf024b5586e44f8537e7d868c32e4fd3b85919f654aa5e0f20500018c568cbf2"`
[INFO] running `"docker" "rm" "-f" "cf024b5586e44f8537e7d868c32e4fd3b85919f654aa5e0f20500018c568cbf2"`
[INFO] [stdout] cf024b5586e44f8537e7d868c32e4fd3b85919f654aa5e0f20500018c568cbf2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/totoroyyb/Infix2Postfix-Rust:/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] e392043d1b0094918167bb97a24c0fc3571b23887d50b09aef858ca8604b18f3
[INFO] running `"docker" "start" "-a" "e392043d1b0094918167bb97a24c0fc3571b23887d50b09aef858ca8604b18f3"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling your v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/lib.rs:138:13
[INFO] [stderr]     |
[INFO] [stderr] 138 |         for x in 0..stack.len() {
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     handle.read_to_string(&mut buffer);
[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: denote infinite loops with `loop { ... }`
[INFO] [stderr]   --> src/lib.rs:91:17
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 while true {
[INFO] [stderr]    |                 ^^^^^^^^^^ help: use `loop`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(while_true)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: denote infinite loops with `loop { ... }`
[INFO] [stderr]    --> src/lib.rs:108:21
[INFO] [stderr]     |
[INFO] [stderr] 108 |                     while true {
[INFO] [stderr]     |                     ^^^^^^^^^^ help: use `loop`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `eachEle` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:170:13
[INFO] [stderr]     |
[INFO] [stderr] 170 |         for eachEle in tokens {
[INFO] [stderr]     |             ^^^^^^^ help: convert the identifier to snake case: `each_ele`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `eachEle` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:222:13
[INFO] [stderr]     |
[INFO] [stderr] 222 |         for eachEle in tokens {
[INFO] [stderr]     |             ^^^^^^^ help: convert the identifier to snake case: `each_ele`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `"docker" "inspect" "e392043d1b0094918167bb97a24c0fc3571b23887d50b09aef858ca8604b18f3"`
[INFO] running `"docker" "rm" "-f" "e392043d1b0094918167bb97a24c0fc3571b23887d50b09aef858ca8604b18f3"`
[INFO] [stdout] e392043d1b0094918167bb97a24c0fc3571b23887d50b09aef858ca8604b18f3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/totoroyyb/Infix2Postfix-Rust:/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] e677dc91572404e93c6f268fb0c3ac866e6c7daa97093d6ec564239f74d229bd
[INFO] running `"docker" "start" "-a" "e677dc91572404e93c6f268fb0c3ac866e6c7daa97093d6ec564239f74d229bd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/your-5d5fb0b7e8c62cb0
[INFO] [stderr]      Running /opt/crater/target/debug/deps/your-dce898fa08ee7037
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests your
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e677dc91572404e93c6f268fb0c3ac866e6c7daa97093d6ec564239f74d229bd"`
[INFO] running `"docker" "rm" "-f" "e677dc91572404e93c6f268fb0c3ac866e6c7daa97093d6ec564239f74d229bd"`
[INFO] [stdout] e677dc91572404e93c6f268fb0c3ac866e6c7daa97093d6ec564239f74d229bd