[INFO] updating cached repository ashir342/alpha [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/ashir342/alpha [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/ashir342/alpha" "work/ex/beta-1.38-1/sources/1.37.0/gh/ashir342/alpha"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ashir342/alpha'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/ashir342/alpha" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ashir342/alpha"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ashir342/alpha'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 0002d2d776bf19c892b08b601c4024d4111f646d [INFO] sha for GitHub repo ashir342/alpha: 0002d2d776bf19c892b08b601c4024d4111f646d [INFO] validating manifest of ashir342/alpha on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of ashir342/alpha on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing ashir342/alpha [INFO] finished frobbing ashir342/alpha [INFO] frobbed toml for ashir342/alpha written to work/ex/beta-1.38-1/sources/1.37.0/gh/ashir342/alpha/Cargo.toml [INFO] started frobbing ashir342/alpha [INFO] finished frobbing ashir342/alpha [INFO] frobbed toml for ashir342/alpha written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ashir342/alpha/Cargo.toml [INFO] crate ashir342/alpha already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing ashir342/alpha against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ashir342/alpha:/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 435596b823c103226574f635a46f0c91f30642e06c621b8eca473c7b21c0a2d8 [INFO] running `"docker" "start" "-a" "435596b823c103226574f635a46f0c91f30642e06c621b8eca473c7b21c0a2d8"` [INFO] [stderr] Compiling alpha v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::io::stdin` [INFO] [stderr] --> src/main.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::io::stdin; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `a` [INFO] [stderr] --> src/alpha.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | pub fn a() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `b` [INFO] [stderr] --> src/alpha.rs:12:1 [INFO] [stderr] | [INFO] [stderr] 12 | pub fn b() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `c` [INFO] [stderr] --> src/alpha.rs:22:1 [INFO] [stderr] | [INFO] [stderr] 22 | pub fn c() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `d` [INFO] [stderr] --> src/alpha.rs:32:1 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn d() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `e` [INFO] [stderr] --> src/alpha.rs:42:1 [INFO] [stderr] | [INFO] [stderr] 42 | pub fn e() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `f` [INFO] [stderr] --> src/alpha.rs:52:1 [INFO] [stderr] | [INFO] [stderr] 52 | pub fn f() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `g` [INFO] [stderr] --> src/alpha.rs:62:1 [INFO] [stderr] | [INFO] [stderr] 62 | pub fn g() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `h` [INFO] [stderr] --> src/alpha.rs:72:1 [INFO] [stderr] | [INFO] [stderr] 72 | pub fn h() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `i` [INFO] [stderr] --> src/alpha.rs:82:1 [INFO] [stderr] | [INFO] [stderr] 82 | pub fn i() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `j` [INFO] [stderr] --> src/alpha.rs:92:1 [INFO] [stderr] | [INFO] [stderr] 92 | pub fn j() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `k` [INFO] [stderr] --> src/alpha.rs:102:1 [INFO] [stderr] | [INFO] [stderr] 102 | pub fn k() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `l` [INFO] [stderr] --> src/alpha.rs:112:1 [INFO] [stderr] | [INFO] [stderr] 112 | pub fn l() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `m` [INFO] [stderr] --> src/alpha.rs:122:1 [INFO] [stderr] | [INFO] [stderr] 122 | pub fn m() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `n` [INFO] [stderr] --> src/alpha.rs:132:1 [INFO] [stderr] | [INFO] [stderr] 132 | pub fn n() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `o` [INFO] [stderr] --> src/alpha.rs:142:1 [INFO] [stderr] | [INFO] [stderr] 142 | pub fn o() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `p` [INFO] [stderr] --> src/alpha.rs:152:1 [INFO] [stderr] | [INFO] [stderr] 152 | pub fn p() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `q` [INFO] [stderr] --> src/alpha.rs:162:1 [INFO] [stderr] | [INFO] [stderr] 162 | pub fn q() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `r` [INFO] [stderr] --> src/alpha.rs:172:1 [INFO] [stderr] | [INFO] [stderr] 172 | pub fn r() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `s` [INFO] [stderr] --> src/alpha.rs:182:1 [INFO] [stderr] | [INFO] [stderr] 182 | pub fn s() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `t` [INFO] [stderr] --> src/alpha.rs:192:1 [INFO] [stderr] | [INFO] [stderr] 192 | pub fn t() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `u` [INFO] [stderr] --> src/alpha.rs:202:1 [INFO] [stderr] | [INFO] [stderr] 202 | pub fn u() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `v` [INFO] [stderr] --> src/alpha.rs:212:1 [INFO] [stderr] | [INFO] [stderr] 212 | pub fn v() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `w` [INFO] [stderr] --> src/alpha.rs:222:1 [INFO] [stderr] | [INFO] [stderr] 222 | pub fn w() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `x` [INFO] [stderr] --> src/alpha.rs:232:1 [INFO] [stderr] | [INFO] [stderr] 232 | pub fn x() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `y` [INFO] [stderr] --> src/alpha.rs:242:1 [INFO] [stderr] | [INFO] [stderr] 242 | pub fn y() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `z` [INFO] [stderr] --> src/alpha.rs:252:1 [INFO] [stderr] | [INFO] [stderr] 252 | pub fn z() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.85s [INFO] running `"docker" "inspect" "435596b823c103226574f635a46f0c91f30642e06c621b8eca473c7b21c0a2d8"` [INFO] running `"docker" "rm" "-f" "435596b823c103226574f635a46f0c91f30642e06c621b8eca473c7b21c0a2d8"` [INFO] [stdout] 435596b823c103226574f635a46f0c91f30642e06c621b8eca473c7b21c0a2d8 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ashir342/alpha:/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" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 4433d765d9be9e5d56a27d00d9e9bb8826552638f808607518043363b878d3db [INFO] running `"docker" "start" "-a" "4433d765d9be9e5d56a27d00d9e9bb8826552638f808607518043363b878d3db"` [INFO] [stderr] Compiling alpha v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::io::stdin` [INFO] [stderr] --> src/main.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::io::stdin; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `a` [INFO] [stderr] --> src/alpha.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | pub fn a() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `b` [INFO] [stderr] --> src/alpha.rs:12:1 [INFO] [stderr] | [INFO] [stderr] 12 | pub fn b() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `c` [INFO] [stderr] --> src/alpha.rs:22:1 [INFO] [stderr] | [INFO] [stderr] 22 | pub fn c() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `d` [INFO] [stderr] --> src/alpha.rs:32:1 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn d() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `e` [INFO] [stderr] --> src/alpha.rs:42:1 [INFO] [stderr] | [INFO] [stderr] 42 | pub fn e() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `f` [INFO] [stderr] --> src/alpha.rs:52:1 [INFO] [stderr] | [INFO] [stderr] 52 | pub fn f() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `g` [INFO] [stderr] --> src/alpha.rs:62:1 [INFO] [stderr] | [INFO] [stderr] 62 | pub fn g() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `h` [INFO] [stderr] --> src/alpha.rs:72:1 [INFO] [stderr] | [INFO] [stderr] 72 | pub fn h() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `i` [INFO] [stderr] --> src/alpha.rs:82:1 [INFO] [stderr] | [INFO] [stderr] 82 | pub fn i() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `j` [INFO] [stderr] --> src/alpha.rs:92:1 [INFO] [stderr] | [INFO] [stderr] 92 | pub fn j() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `k` [INFO] [stderr] --> src/alpha.rs:102:1 [INFO] [stderr] | [INFO] [stderr] 102 | pub fn k() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `l` [INFO] [stderr] --> src/alpha.rs:112:1 [INFO] [stderr] | [INFO] [stderr] 112 | pub fn l() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `m` [INFO] [stderr] --> src/alpha.rs:122:1 [INFO] [stderr] | [INFO] [stderr] 122 | pub fn m() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `n` [INFO] [stderr] --> src/alpha.rs:132:1 [INFO] [stderr] | [INFO] [stderr] 132 | pub fn n() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `o` [INFO] [stderr] --> src/alpha.rs:142:1 [INFO] [stderr] | [INFO] [stderr] 142 | pub fn o() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `p` [INFO] [stderr] --> src/alpha.rs:152:1 [INFO] [stderr] | [INFO] [stderr] 152 | pub fn p() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `q` [INFO] [stderr] --> src/alpha.rs:162:1 [INFO] [stderr] | [INFO] [stderr] 162 | pub fn q() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `r` [INFO] [stderr] --> src/alpha.rs:172:1 [INFO] [stderr] | [INFO] [stderr] 172 | pub fn r() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `s` [INFO] [stderr] --> src/alpha.rs:182:1 [INFO] [stderr] | [INFO] [stderr] 182 | pub fn s() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `t` [INFO] [stderr] --> src/alpha.rs:192:1 [INFO] [stderr] | [INFO] [stderr] 192 | pub fn t() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `u` [INFO] [stderr] --> src/alpha.rs:202:1 [INFO] [stderr] | [INFO] [stderr] 202 | pub fn u() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `v` [INFO] [stderr] --> src/alpha.rs:212:1 [INFO] [stderr] | [INFO] [stderr] 212 | pub fn v() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `w` [INFO] [stderr] --> src/alpha.rs:222:1 [INFO] [stderr] | [INFO] [stderr] 222 | pub fn w() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `x` [INFO] [stderr] --> src/alpha.rs:232:1 [INFO] [stderr] | [INFO] [stderr] 232 | pub fn x() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `y` [INFO] [stderr] --> src/alpha.rs:242:1 [INFO] [stderr] | [INFO] [stderr] 242 | pub fn y() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `z` [INFO] [stderr] --> src/alpha.rs:252:1 [INFO] [stderr] | [INFO] [stderr] 252 | pub fn z() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.77s [INFO] running `"docker" "inspect" "4433d765d9be9e5d56a27d00d9e9bb8826552638f808607518043363b878d3db"` [INFO] running `"docker" "rm" "-f" "4433d765d9be9e5d56a27d00d9e9bb8826552638f808607518043363b878d3db"` [INFO] [stdout] 4433d765d9be9e5d56a27d00d9e9bb8826552638f808607518043363b878d3db [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ashir342/alpha:/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" "+1.37.0" "test" "--frozen"` [INFO] [stdout] 0b028acb5d1b69ced8f5f3628ecd003174ceebb6d3670a87b869038a33fb7aa7 [INFO] running `"docker" "start" "-a" "0b028acb5d1b69ced8f5f3628ecd003174ceebb6d3670a87b869038a33fb7aa7"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/alpha-c63a83978559646e [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" "0b028acb5d1b69ced8f5f3628ecd003174ceebb6d3670a87b869038a33fb7aa7"` [INFO] running `"docker" "rm" "-f" "0b028acb5d1b69ced8f5f3628ecd003174ceebb6d3670a87b869038a33fb7aa7"` [INFO] [stdout] 0b028acb5d1b69ced8f5f3628ecd003174ceebb6d3670a87b869038a33fb7aa7