[INFO] cloning repository https://github.com/adsick/learngit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adsick/learngit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadsick%2Flearngit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadsick%2Flearngit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 084228613d0dcc9c81fd4408b26faedbbe0266d1
[INFO] testing adsick/learngit against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadsick%2Flearngit" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adsick/learngit on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/adsick/learngit
[INFO] finished tweaking git repo https://github.com/adsick/learngit
[INFO] tweaked toml for git repo https://github.com/adsick/learngit written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/adsick/learngit already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 204dcb1dad9e99ff58d52ab69ddcf86b7eabe88eacfd76662419b824037caa4f
[INFO] running `Command { std: "docker" "start" "-a" "204dcb1dad9e99ff58d52ab69ddcf86b7eabe88eacfd76662419b824037caa4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "204dcb1dad9e99ff58d52ab69ddcf86b7eabe88eacfd76662419b824037caa4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "204dcb1dad9e99ff58d52ab69ddcf86b7eabe88eacfd76662419b824037caa4f", kill_on_drop: false }`
[INFO] [stdout] 204dcb1dad9e99ff58d52ab69ddcf86b7eabe88eacfd76662419b824037caa4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 837830bdd2d521aadf2645a62da5f31f5e7f05e84765a52711ec443cd25f7088
[INFO] running `Command { std: "docker" "start" "-a" "837830bdd2d521aadf2645a62da5f31f5e7f05e84765a52711ec443cd25f7088", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling learngit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `some_cool_stuff` should have an upper camel case name
[INFO] [stdout]  --> src/mymod.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 |     struct some_cool_stuff{
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `SomeCoolStuff`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `choise1` should have an upper camel case name
[INFO] [stdout]  --> src/mymod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |         choise1,
[INFO] [stdout]   |         ^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Choise1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `choise2` should have an upper camel case name
[INFO] [stdout]  --> src/mymod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         choise2
[INFO] [stdout]   |         ^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Choise2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `dude` should have an upper camel case name
[INFO] [stdout]   --> src/mymod.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub struct dude{
[INFO] [stdout]    |                ^^^^ help: convert the identifier to upper camel case: `Dude`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/mymod.rs:25:20
[INFO] [stdout]    |
[INFO] [stdout] 25 |         pub fn eat(mut self)->Self{
[INFO] [stdout]    |                    ----^^^^
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `some_cool_stuff`
[INFO] [stdout]  --> src/mymod.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 |     struct some_cool_stuff{
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `choise2`
[INFO] [stdout]  --> src/mymod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         choise2
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eat`
[INFO] [stdout]   --> src/mymod.rs:25:16
[INFO] [stdout]    |
[INFO] [stdout] 25 |         pub fn eat(mut self)->Self{
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fancy_function`
[INFO] [stdout]   --> src/main.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn fancy_function(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.88s
[INFO] running `Command { std: "docker" "inspect" "837830bdd2d521aadf2645a62da5f31f5e7f05e84765a52711ec443cd25f7088", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "837830bdd2d521aadf2645a62da5f31f5e7f05e84765a52711ec443cd25f7088", kill_on_drop: false }`
[INFO] [stdout] 837830bdd2d521aadf2645a62da5f31f5e7f05e84765a52711ec443cd25f7088
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc38855bc5df35dbe3189c4458706301271d39cc583e41e3e2ca949601ccb53c
[INFO] running `Command { std: "docker" "start" "-a" "bc38855bc5df35dbe3189c4458706301271d39cc583e41e3e2ca949601ccb53c", kill_on_drop: false }`
[INFO] [stderr]    Compiling learngit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `some_cool_stuff` should have an upper camel case name
[INFO] [stdout]  --> src/mymod.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 |     struct some_cool_stuff{
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `SomeCoolStuff`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `choise1` should have an upper camel case name
[INFO] [stdout]  --> src/mymod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |         choise1,
[INFO] [stdout]   |         ^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Choise1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `choise2` should have an upper camel case name
[INFO] [stdout]  --> src/mymod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         choise2
[INFO] [stdout]   |         ^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Choise2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `dude` should have an upper camel case name
[INFO] [stdout]   --> src/mymod.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub struct dude{
[INFO] [stdout]    |                ^^^^ help: convert the identifier to upper camel case: `Dude`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/mymod.rs:25:20
[INFO] [stdout]    |
[INFO] [stdout] 25 |         pub fn eat(mut self)->Self{
[INFO] [stdout]    |                    ----^^^^
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `some_cool_stuff`
[INFO] [stdout]  --> src/mymod.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 |     struct some_cool_stuff{
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `choise2`
[INFO] [stdout]  --> src/mymod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         choise2
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eat`
[INFO] [stdout]   --> src/mymod.rs:25:16
[INFO] [stdout]    |
[INFO] [stdout] 25 |         pub fn eat(mut self)->Self{
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fancy_function`
[INFO] [stdout]   --> src/main.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn fancy_function(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "bc38855bc5df35dbe3189c4458706301271d39cc583e41e3e2ca949601ccb53c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc38855bc5df35dbe3189c4458706301271d39cc583e41e3e2ca949601ccb53c", kill_on_drop: false }`
[INFO] [stdout] bc38855bc5df35dbe3189c4458706301271d39cc583e41e3e2ca949601ccb53c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4c1a64968b5e1ad086025f0f0114bd20a45aed50c9f5a899614b3ff4b1d0ed77
[INFO] running `Command { std: "docker" "start" "-a" "4c1a64968b5e1ad086025f0f0114bd20a45aed50c9f5a899614b3ff4b1d0ed77", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: type `some_cool_stuff` should have an upper camel case name
[INFO] [stderr]  --> src/mymod.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 |     struct some_cool_stuff{
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `SomeCoolStuff`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `choise1` should have an upper camel case name
[INFO] [stderr]  --> src/mymod.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |         choise1,
[INFO] [stderr]   |         ^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Choise1`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `choise2` should have an upper camel case name
[INFO] [stderr]  --> src/mymod.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |         choise2
[INFO] [stderr]   |         ^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Choise2`
[INFO] [stderr] 
[INFO] [stderr] warning: type `dude` should have an upper camel case name
[INFO] [stderr]   --> src/mymod.rs:11:16
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub struct dude{
[INFO] [stderr]    |                ^^^^ help: convert the identifier to upper camel case: `Dude`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/mymod.rs:25:20
[INFO] [stderr]    |
[INFO] [stderr] 25 |         pub fn eat(mut self)->Self{
[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: struct is never constructed: `some_cool_stuff`
[INFO] [stderr]  --> src/mymod.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 |     struct some_cool_stuff{
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `choise2`
[INFO] [stderr]  --> src/mymod.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |         choise2
[INFO] [stderr]   |         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `eat`
[INFO] [stderr]   --> src/mymod.rs:25:16
[INFO] [stderr]    |
[INFO] [stderr] 25 |         pub fn eat(mut self)->Self{
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fancy_function`
[INFO] [stderr]   --> src/main.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn fancy_function(){
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `learngit` (bin "learngit" test) generated 9 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3m 03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/learngit-ce2b816431217bb0)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4c1a64968b5e1ad086025f0f0114bd20a45aed50c9f5a899614b3ff4b1d0ed77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c1a64968b5e1ad086025f0f0114bd20a45aed50c9f5a899614b3ff4b1d0ed77", kill_on_drop: false }`
[INFO] [stdout] 4c1a64968b5e1ad086025f0f0114bd20a45aed50c9f5a899614b3ff4b1d0ed77