[INFO] updating cached repository https://github.com/Jaco26/playing-with-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f52c2a75bb27da4f1d10e8a5210165adec4db3d3
[INFO] testing Jaco26/playing-with-rust against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FJaco26%2Fplaying-with-rust" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jaco26/playing-with-rust on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Jaco26/playing-with-rust
[INFO] finished tweaking git repo https://github.com/Jaco26/playing-with-rust
[INFO] tweaked toml for git repo https://github.com/Jaco26/playing-with-rust written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Jaco26/playing-with-rust already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 7e613175ce662a362294703061e663f81e756268fd00556634b9fd5f43dd02ad
[INFO] running `"docker" "start" "-a" "7e613175ce662a362294703061e663f81e756268fd00556634b9fd5f43dd02ad"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.53
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling todo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/arguments.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 |   action: Box<Fn()>,
[INFO] [stderr]   |               ^^^^ help: use `dyn`: `dyn Fn()`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/arguments.rs:18:56
[INFO] [stderr]    |
[INFO] [stderr] 18 |   pub fn add_arg(&mut self, pattern: &str, action: Box<Fn()>) {
[INFO] [stderr]    |                                                        ^^^^ help: use `dyn`: `dyn Fn()`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/arguments.rs:24:21
[INFO] [stderr]    |
[INFO] [stderr] 24 |   pub fn parse_args(args: std::env::Args) {
[INFO] [stderr]    |                     ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `format_pretty`
[INFO] [stderr]   --> src/todo_item.rs:64:3
[INFO] [stderr]    |
[INFO] [stderr] 64 |   pub fn format_pretty(&self) -> String {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Arg`
[INFO] [stderr]  --> src/arguments.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Arg {
[INFO] [stderr]   | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Arguments`
[INFO] [stderr]  --> src/arguments.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct Arguments {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/arguments.rs:13:3
[INFO] [stderr]    |
[INFO] [stderr] 13 |   pub fn new() -> Arguments {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_arg`
[INFO] [stderr]   --> src/arguments.rs:18:3
[INFO] [stderr]    |
[INFO] [stderr] 18 |   pub fn add_arg(&mut self, pattern: &str, action: Box<Fn()>) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_args`
[INFO] [stderr]   --> src/arguments.rs:24:3
[INFO] [stderr]    |
[INFO] [stderr] 24 |   pub fn parse_args(args: std::env::Args) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.94s
[INFO] running `"docker" "inspect" "7e613175ce662a362294703061e663f81e756268fd00556634b9fd5f43dd02ad"`
[INFO] running `"docker" "rm" "-f" "7e613175ce662a362294703061e663f81e756268fd00556634b9fd5f43dd02ad"`
[INFO] [stdout] 7e613175ce662a362294703061e663f81e756268fd00556634b9fd5f43dd02ad
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4905a9b724c612e89641a67ccb4e8cc13bbd9e9be507a9f78735400c45f9338e
[INFO] running `"docker" "start" "-a" "4905a9b724c612e89641a67ccb4e8cc13bbd9e9be507a9f78735400c45f9338e"`
[INFO] [stderr]    Compiling todo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/arguments.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 |   action: Box<Fn()>,
[INFO] [stderr]   |               ^^^^ help: use `dyn`: `dyn Fn()`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/arguments.rs:18:56
[INFO] [stderr]    |
[INFO] [stderr] 18 |   pub fn add_arg(&mut self, pattern: &str, action: Box<Fn()>) {
[INFO] [stderr]    |                                                        ^^^^ help: use `dyn`: `dyn Fn()`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/arguments.rs:24:21
[INFO] [stderr]    |
[INFO] [stderr] 24 |   pub fn parse_args(args: std::env::Args) {
[INFO] [stderr]    |                     ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `format_pretty`
[INFO] [stderr]   --> src/todo_item.rs:64:3
[INFO] [stderr]    |
[INFO] [stderr] 64 |   pub fn format_pretty(&self) -> String {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Arg`
[INFO] [stderr]  --> src/arguments.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Arg {
[INFO] [stderr]   | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Arguments`
[INFO] [stderr]  --> src/arguments.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct Arguments {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/arguments.rs:13:3
[INFO] [stderr]    |
[INFO] [stderr] 13 |   pub fn new() -> Arguments {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_arg`
[INFO] [stderr]   --> src/arguments.rs:18:3
[INFO] [stderr]    |
[INFO] [stderr] 18 |   pub fn add_arg(&mut self, pattern: &str, action: Box<Fn()>) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_args`
[INFO] [stderr]   --> src/arguments.rs:24:3
[INFO] [stderr]    |
[INFO] [stderr] 24 |   pub fn parse_args(args: std::env::Args) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "4905a9b724c612e89641a67ccb4e8cc13bbd9e9be507a9f78735400c45f9338e"`
[INFO] running `"docker" "rm" "-f" "4905a9b724c612e89641a67ccb4e8cc13bbd9e9be507a9f78735400c45f9338e"`
[INFO] [stdout] 4905a9b724c612e89641a67ccb4e8cc13bbd9e9be507a9f78735400c45f9338e
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 86802cfb8285478d5c70adb9caee9aad308ed9fd602fdaf49a3fdee12883f58e
[INFO] running `"docker" "start" "-a" "86802cfb8285478d5c70adb9caee9aad308ed9fd602fdaf49a3fdee12883f58e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/todo-027be4fb13049394
[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] [stderr]      Running /opt/rustwide/target/debug/deps/todo-11d47b429e7785ab
[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] [stderr]    Doc-tests todo
[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" "86802cfb8285478d5c70adb9caee9aad308ed9fd602fdaf49a3fdee12883f58e"`
[INFO] running `"docker" "rm" "-f" "86802cfb8285478d5c70adb9caee9aad308ed9fd602fdaf49a3fdee12883f58e"`
[INFO] [stdout] 86802cfb8285478d5c70adb9caee9aad308ed9fd602fdaf49a3fdee12883f58e