[INFO] cloning repository https://github.com/Tester-JasonWang/rust_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tester-JasonWang/rust_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTester-JasonWang%2Frust_demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTester-JasonWang%2Frust_demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a73073b465107fc28da3ae9c1e9a6407d1378929
[INFO] testing Tester-JasonWang/rust_demo against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTester-JasonWang%2Frust_demo" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Tester-JasonWang/rust_demo
[INFO] finished tweaking git repo https://github.com/Tester-JasonWang/rust_demo
[INFO] tweaked toml for git repo https://github.com/Tester-JasonWang/rust_demo written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Tester-JasonWang/rust_demo on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Tester-JasonWang/rust_demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.32
[INFO] [stderr]   Downloaded num-complex v0.4.3
[INFO] [stderr]   Downloaded textwrap v0.13.4
[INFO] [stderr]   Downloaded windows v0.9.1
[INFO] [stderr]   Downloaded ferris-says v0.2.1
[INFO] [stderr]   Downloaded serde v1.0.177
[INFO] [stderr]   Downloaded const-sha1 v0.2.0
[INFO] [stderr]   Downloaded windows_macros v0.9.1
[INFO] [stderr]   Downloaded syn v2.0.27
[INFO] [stderr]   Downloaded serde_derive v1.0.177
[INFO] [stderr]   Downloaded smallvec v0.4.5
[INFO] [stderr]   Downloaded windows_gen v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7300f167362e4e36bf41dc747dcb3ceb0bbf437b36125d013c99f7dabd4d3dc0
[INFO] running `Command { std: "docker" "start" "-a" "7300f167362e4e36bf41dc747dcb3ceb0bbf437b36125d013c99f7dabd4d3dc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7300f167362e4e36bf41dc747dcb3ceb0bbf437b36125d013c99f7dabd4d3dc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7300f167362e4e36bf41dc747dcb3ceb0bbf437b36125d013c99f7dabd4d3dc0", kill_on_drop: false }`
[INFO] [stdout] 7300f167362e4e36bf41dc747dcb3ceb0bbf437b36125d013c99f7dabd4d3dc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a1dbeff95c3f4e4fa10d018d5ac0ed73fa18e8da1728aa344bfe28d1347fcf7
[INFO] running `Command { std: "docker" "start" "-a" "6a1dbeff95c3f4e4fa10d018d5ac0ed73fa18e8da1728aa344bfe28d1347fcf7", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling serde v1.0.177
[INFO] [stderr]    Compiling smawk v0.3.1
[INFO] [stderr]    Compiling os_str_bytes v6.5.1
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.177
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling textwrap v0.16.0
[INFO] [stderr]    Compiling const-sha1 v0.2.0
[INFO] [stderr]    Compiling smallvec v0.4.5
[INFO] [stderr]    Compiling textwrap v0.13.4
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling ferris-says v0.2.1
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-complex v0.4.3
[INFO] [stderr]    Compiling windows_gen v0.9.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling serde_yaml v0.8.26
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling windows_macros v0.9.1
[INFO] [stderr]    Compiling windows v0.9.1
[INFO] [stderr]    Compiling rust_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `MySpecialFormatter` is never constructed
[INFO] [stdout]   --> src/lib.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | struct MySpecialFormatter;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_four` is never used
[INFO] [stdout]   --> src/lib.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn add_four(x: i32) -> Option<i32> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `div` is never used
[INFO] [stdout]   --> src/demo.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn div(a: i32, b: i32) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `try_div` is never used
[INFO] [stdout]   --> src/demo.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn try_div(a: i32, b: i32) -> Result<i32, String> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.63s
[INFO] running `Command { std: "docker" "inspect" "6a1dbeff95c3f4e4fa10d018d5ac0ed73fa18e8da1728aa344bfe28d1347fcf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a1dbeff95c3f4e4fa10d018d5ac0ed73fa18e8da1728aa344bfe28d1347fcf7", kill_on_drop: false }`
[INFO] [stdout] 6a1dbeff95c3f4e4fa10d018d5ac0ed73fa18e8da1728aa344bfe28d1347fcf7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f320f61db2bde03830a6b16ed8ddb6e543d13cf8a7a2d28cb14e42e578e2f74
[INFO] running `Command { std: "docker" "start" "-a" "6f320f61db2bde03830a6b16ed8ddb6e543d13cf8a7a2d28cb14e42e578e2f74", kill_on_drop: false }`
[INFO] [stdout] warning: struct `MySpecialFormatter` is never constructed
[INFO] [stdout]   --> src/lib.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | struct MySpecialFormatter;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_four` is never used
[INFO] [stdout]   --> src/lib.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn add_four(x: i32) -> Option<i32> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rust_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `MySpecialFormatter` is never constructed
[INFO] [stdout]   --> src/lib.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | struct MySpecialFormatter;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_four` is never used
[INFO] [stdout]   --> src/lib.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn add_four(x: i32) -> Option<i32> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `div` is never used
[INFO] [stdout]   --> src/demo.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn div(a: i32, b: i32) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `try_div` is never used
[INFO] [stdout]   --> src/demo.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn try_div(a: i32, b: i32) -> Result<i32, String> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "6f320f61db2bde03830a6b16ed8ddb6e543d13cf8a7a2d28cb14e42e578e2f74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f320f61db2bde03830a6b16ed8ddb6e543d13cf8a7a2d28cb14e42e578e2f74", kill_on_drop: false }`
[INFO] [stdout] 6f320f61db2bde03830a6b16ed8ddb6e543d13cf8a7a2d28cb14e42e578e2f74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a9255140a6b1040eb26f2e2a0ea3530710e868c10ec9cbff0cb407b256108f53
[INFO] running `Command { std: "docker" "start" "-a" "a9255140a6b1040eb26f2e2a0ea3530710e868c10ec9cbff0cb407b256108f53", kill_on_drop: false }`
[INFO] [stderr] warning: struct `MySpecialFormatter` is never constructed
[INFO] [stderr]   --> src/lib.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 48 | struct MySpecialFormatter;
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `add_four` is never used
[INFO] [stderr]   --> src/lib.rs:43:12
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn add_four(x: i32) -> Option<i32> {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_demo` (lib) generated 2 warnings
[INFO] [stderr] warning: function `div` is never used
[INFO] [stderr]   --> src/demo.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn div(a: i32, b: i32) -> i32 {
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `try_div` is never used
[INFO] [stderr]   --> src/demo.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub fn try_div(a: i32, b: i32) -> Result<i32, String> {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_demo` (bin "rust_demo" test) generated 2 warnings
[INFO] [stderr] warning: `rust_demo` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_demo-deb52811005f7f81)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_demo-33e657b44c35fe4c)
[INFO] [stderr]    Doc-tests rust_demo
[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] [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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/demo.rs - demo::div (line 9) ... FAILED
[INFO] [stdout] test src/demo.rs - demo::try_div (line 21) ... FAILED
[INFO] [stdout] test src/lib.rs - add_one (line 11) ... ok
[INFO] [stdout] test src/lib.rs - add_two (line 24) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/demo.rs - demo::div (line 9) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: could not find `compute` in `rust_demo`
[INFO] [stdout]   --> src/demo.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | rust_demo::compute::div(10, 0);
[INFO] [stdout]    |            ^^^^^^^ could not find `compute` in `rust_demo`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/demo.rs - demo::try_div (line 21) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: could not find `compute` in `rust_demo`
[INFO] [stdout]   --> src/demo.rs:24:22
[INFO] [stdout]    |
[INFO] [stdout] 24 | let res = rust_demo::compute::try_div(10, 0)?;
[INFO] [stdout]    |                      ^^^^^^^ could not find `compute` in `rust_demo`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/demo.rs - demo::div (line 9)
[INFO] [stdout]     src/demo.rs - demo::try_div (line 21)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "a9255140a6b1040eb26f2e2a0ea3530710e868c10ec9cbff0cb407b256108f53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9255140a6b1040eb26f2e2a0ea3530710e868c10ec9cbff0cb407b256108f53", kill_on_drop: false }`
[INFO] [stdout] a9255140a6b1040eb26f2e2a0ea3530710e868c10ec9cbff0cb407b256108f53
