[INFO] updating cached repository sora0920/Rust_Editor [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/sora0920/Rust_Editor [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/sora0920/Rust_Editor" "work/ex/beta-1.37-6/sources/1.36.0/gh/sora0920/Rust_Editor"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/sora0920/Rust_Editor'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/sora0920/Rust_Editor" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sora0920/Rust_Editor"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sora0920/Rust_Editor'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] a64b3970aa7eb7538d304046e7b3b87c12b23570 [INFO] sha for GitHub repo sora0920/Rust_Editor: a64b3970aa7eb7538d304046e7b3b87c12b23570 [INFO] validating manifest of sora0920/Rust_Editor 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 sora0920/Rust_Editor 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 sora0920/Rust_Editor [INFO] finished frobbing sora0920/Rust_Editor [INFO] frobbed toml for sora0920/Rust_Editor written to work/ex/beta-1.37-6/sources/1.36.0/gh/sora0920/Rust_Editor/Cargo.toml [INFO] started frobbing sora0920/Rust_Editor [INFO] finished frobbing sora0920/Rust_Editor [INFO] frobbed toml for sora0920/Rust_Editor written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sora0920/Rust_Editor/Cargo.toml [INFO] crate sora0920/Rust_Editor 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 sora0920/Rust_Editor against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sora0920/Rust_Editor:/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" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] e27b859b09f742286f7e9e43692300c8337b5e52e21ddbce005284d5351122c5 [INFO] running `"docker" "start" "-a" "e27b859b09f742286f7e9e43692300c8337b5e52e21ddbce005284d5351122c5"` [INFO] [stderr] Compiling rust_editor v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::fs` [INFO] [stderr] --> src/main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::fs; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `BufReader` [INFO] [stderr] --> src/main.rs:7:15 [INFO] [stderr] | [INFO] [stderr] 7 | use std::io::{BufReader, Read}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::char` [INFO] [stderr] --> src/main.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use std::char; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `writer` [INFO] [stderr] --> src/main.rs:66:13 [INFO] [stderr] | [INFO] [stderr] 66 | let mut writer = stdout(); [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_writer` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:66:9 [INFO] [stderr] | [INFO] [stderr] 66 | let mut writer = stdout(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `BUFFER_SIZE` [INFO] [stderr] --> src/main.rs:16:1 [INFO] [stderr] | [INFO] [stderr] 16 | const BUFFER_SIZE: usize = 2048; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `List` [INFO] [stderr] --> src/main.rs:18:1 [INFO] [stderr] | [INFO] [stderr] 18 | enum List { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/main.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | fn new() -> List { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `prepend` [INFO] [stderr] --> src/main.rs:28:5 [INFO] [stderr] | [INFO] [stderr] 28 | fn prepend(self, elem: u32) -> List{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `len` [INFO] [stderr] --> src/main.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | fn len(&self) -> u32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `stringify` [INFO] [stderr] --> src/main.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | fn stringify(&self) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.24s [INFO] running `"docker" "inspect" "e27b859b09f742286f7e9e43692300c8337b5e52e21ddbce005284d5351122c5"` [INFO] running `"docker" "rm" "-f" "e27b859b09f742286f7e9e43692300c8337b5e52e21ddbce005284d5351122c5"` [INFO] [stdout] e27b859b09f742286f7e9e43692300c8337b5e52e21ddbce005284d5351122c5 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sora0920/Rust_Editor:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] b50bbdbb53a5a38e4311922150fdfd1600fea452d5a59aa16bce4889aa42fa8e [INFO] running `"docker" "start" "-a" "b50bbdbb53a5a38e4311922150fdfd1600fea452d5a59aa16bce4889aa42fa8e"` [INFO] [stderr] Compiling rust_editor v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::fs` [INFO] [stderr] --> src/main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::fs; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `BufReader` [INFO] [stderr] --> src/main.rs:7:15 [INFO] [stderr] | [INFO] [stderr] 7 | use std::io::{BufReader, Read}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::char` [INFO] [stderr] --> src/main.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use std::char; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `writer` [INFO] [stderr] --> src/main.rs:66:13 [INFO] [stderr] | [INFO] [stderr] 66 | let mut writer = stdout(); [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_writer` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:66:9 [INFO] [stderr] | [INFO] [stderr] 66 | let mut writer = stdout(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `BUFFER_SIZE` [INFO] [stderr] --> src/main.rs:16:1 [INFO] [stderr] | [INFO] [stderr] 16 | const BUFFER_SIZE: usize = 2048; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `List` [INFO] [stderr] --> src/main.rs:18:1 [INFO] [stderr] | [INFO] [stderr] 18 | enum List { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/main.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | fn new() -> List { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `prepend` [INFO] [stderr] --> src/main.rs:28:5 [INFO] [stderr] | [INFO] [stderr] 28 | fn prepend(self, elem: u32) -> List{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `len` [INFO] [stderr] --> src/main.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | fn len(&self) -> u32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `stringify` [INFO] [stderr] --> src/main.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | fn stringify(&self) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.93s [INFO] running `"docker" "inspect" "b50bbdbb53a5a38e4311922150fdfd1600fea452d5a59aa16bce4889aa42fa8e"` [INFO] running `"docker" "rm" "-f" "b50bbdbb53a5a38e4311922150fdfd1600fea452d5a59aa16bce4889aa42fa8e"` [INFO] [stdout] b50bbdbb53a5a38e4311922150fdfd1600fea452d5a59aa16bce4889aa42fa8e [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sora0920/Rust_Editor:/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" "+beta-2019-07-23" "test" "--frozen"` [INFO] [stdout] ffe305a37e3cd1723e806706c0fa72b5a1b3610e6bd205ff3f4e998dcc484c55 [INFO] running `"docker" "start" "-a" "ffe305a37e3cd1723e806706c0fa72b5a1b3610e6bd205ff3f4e998dcc484c55"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running /opt/crater/target/debug/deps/rust_editor-45e97458435d9894 [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" "ffe305a37e3cd1723e806706c0fa72b5a1b3610e6bd205ff3f4e998dcc484c55"` [INFO] running `"docker" "rm" "-f" "ffe305a37e3cd1723e806706c0fa72b5a1b3610e6bd205ff3f4e998dcc484c55"` [INFO] [stdout] ffe305a37e3cd1723e806706c0fa72b5a1b3610e6bd205ff3f4e998dcc484c55