[INFO] cloning repository https://github.com/MagicLu550/rustTest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MagicLu550/rustTest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMagicLu550%2FrustTest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMagicLu550%2FrustTest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d77e0cd79e7e2620df79d0b8d802434c433bca9
[INFO] checking MagicLu550/rustTest against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMagicLu550%2FrustTest" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MagicLu550/rustTest on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MagicLu550/rustTest
[INFO] finished tweaking git repo https://github.com/MagicLu550/rustTest
[INFO] tweaked toml for git repo https://github.com/MagicLu550/rustTest written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MagicLu550/rustTest 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b37bf0c06c7b4d0dd229ad6efce58711083cabc8238c78f91bf4a961d64a30c9
[INFO] running `Command { std: "docker" "start" "-a" "b37bf0c06c7b4d0dd229ad6efce58711083cabc8238c78f91bf4a961d64a30c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b37bf0c06c7b4d0dd229ad6efce58711083cabc8238c78f91bf4a961d64a30c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b37bf0c06c7b4d0dd229ad6efce58711083cabc8238c78f91bf4a961d64a30c9", kill_on_drop: false }`
[INFO] [stdout] b37bf0c06c7b4d0dd229ad6efce58711083cabc8238c78f91bf4a961d64a30c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff2fb953da347a1e936447a67b9c81d8a95479270862f85c04e6fa5f4748e420
[INFO] running `Command { std: "docker" "start" "-a" "ff2fb953da347a1e936447a67b9c81d8a95479270862f85c04e6fa5f4748e420", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rustTest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]   --> src/main.rs:81:19
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn test_3(a:i32)->&i32{
[INFO] [stdout]    |                   ^ expected named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from
[INFO] [stdout] help: consider using the `'static` lifetime, but this is uncommon unless you're returning a borrowed value from a `const` or a `static`
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn test_3(a:i32)->&'static i32{
[INFO] [stdout]    |                    +++++++
[INFO] [stdout] help: instead, you are more likely to want to change the argument to be borrowed...
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn test_3(a:&i32)->&i32{
[INFO] [stdout]    |             +
[INFO] [stdout] help: ...or alternatively, you might want to return an owned value
[INFO] [stdout]    |
[INFO] [stdout] 81 - fn test_3(a:i32)->&i32{
[INFO] [stdout] 81 + fn test_3(a:i32)->i32{
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]   --> src/main.rs:81:19
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn test_3(a:i32)->&i32{
[INFO] [stdout]    |                   ^ expected named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from
[INFO] [stdout] help: consider using the `'static` lifetime, but this is uncommon unless you're returning a borrowed value from a `const` or a `static`
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn test_3(a:i32)->&'static i32{
[INFO] [stdout]    |                    +++++++
[INFO] [stdout] help: instead, you are more likely to want to change the argument to be borrowed...
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn test_3(a:&i32)->&i32{
[INFO] [stdout]    |             +
[INFO] [stdout] help: ...or alternatively, you might want to return an owned value
[INFO] [stdout]    |
[INFO] [stdout] 81 - fn test_3(a:i32)->&i32{
[INFO] [stdout] 81 + fn test_3(a:i32)->i32{
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0515]: cannot return reference to function parameter `a`
[INFO] [stdout]   --> src/main.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     return &a;
[INFO] [stdout]    |            ^^ returns a reference to data owned by the current function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0515]: cannot return reference to function parameter `a`
[INFO] [stdout]   --> src/main.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     return &a;
[INFO] [stdout]    |            ^^ returns a reference to data owned by the current function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0106, E0515.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0106`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0106, E0515.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0106`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustTest` (bin "rustTest" test) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rustTest` (bin "rustTest") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "ff2fb953da347a1e936447a67b9c81d8a95479270862f85c04e6fa5f4748e420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff2fb953da347a1e936447a67b9c81d8a95479270862f85c04e6fa5f4748e420", kill_on_drop: false }`
[INFO] [stdout] ff2fb953da347a1e936447a67b9c81d8a95479270862f85c04e6fa5f4748e420
[INFO] checking MagicLu550/rustTest against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMagicLu550%2FrustTest" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MagicLu550/rustTest on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MagicLu550/rustTest
[INFO] finished tweaking git repo https://github.com/MagicLu550/rustTest
[INFO] tweaked toml for git repo https://github.com/MagicLu550/rustTest written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/MagicLu550/rustTest 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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 695494d3e276a945fcf62fd73d3f1e42249f96593c77c40c75b1220351375225
[INFO] running `Command { std: "docker" "start" "-a" "695494d3e276a945fcf62fd73d3f1e42249f96593c77c40c75b1220351375225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "695494d3e276a945fcf62fd73d3f1e42249f96593c77c40c75b1220351375225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "695494d3e276a945fcf62fd73d3f1e42249f96593c77c40c75b1220351375225", kill_on_drop: false }`
[INFO] [stdout] 695494d3e276a945fcf62fd73d3f1e42249f96593c77c40c75b1220351375225
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 337c8778fc23d05b32b75627793cc712a4f3f8f4f46a0a4301f40c18a587466b
[INFO] running `Command { std: "docker" "start" "-a" "337c8778fc23d05b32b75627793cc712a4f3f8f4f46a0a4301f40c18a587466b", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "337c8778fc23d05b32b75627793cc712a4f3f8f4f46a0a4301f40c18a587466b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "337c8778fc23d05b32b75627793cc712a4f3f8f4f46a0a4301f40c18a587466b", kill_on_drop: false }`
[INFO] [stdout] 337c8778fc23d05b32b75627793cc712a4f3f8f4f46a0a4301f40c18a587466b