[INFO] cloning repository https://github.com/olosso/jantjie
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/olosso/jantjie" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folosso%2Fjantjie", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folosso%2Fjantjie'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 222afda26a3d8f05839873a29a57926c9c2c7648
[INFO] checking olosso/jantjie against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folosso%2Fjantjie" "/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/olosso/jantjie on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/olosso/jantjie
[INFO] finished tweaking git repo https://github.com/olosso/jantjie
[INFO] tweaked toml for git repo https://github.com/olosso/jantjie written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/olosso/jantjie 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb1e5fe1e65a3744fbb520ae775d92e5015b36eda41d0ac560d3d28b38120f9a
[INFO] running `Command { std: "docker" "start" "-a" "bb1e5fe1e65a3744fbb520ae775d92e5015b36eda41d0ac560d3d28b38120f9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb1e5fe1e65a3744fbb520ae775d92e5015b36eda41d0ac560d3d28b38120f9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb1e5fe1e65a3744fbb520ae775d92e5015b36eda41d0ac560d3d28b38120f9a", kill_on_drop: false }`
[INFO] [stdout] bb1e5fe1e65a3744fbb520ae775d92e5015b36eda41d0ac560d3d28b38120f9a
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7850c11cd360da4f3f01da32d4be88b32c1eefb5cb67b57bc6e2e6c04fb65590
[INFO] running `Command { std: "docker" "start" "-a" "7850c11cd360da4f3f01da32d4be88b32c1eefb5cb67b57bc6e2e6c04fb65590", kill_on_drop: false }`
[INFO] [stderr]     Checking parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `&` without an explicit lifetime name cannot be used here
[INFO] [stdout]    --> src/object/mod.rs:291:16
[INFO] [stdout]     |
[INFO] [stdout] 291 |     const LEN: &str = "len";
[INFO] [stdout]     |                ^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #115010 <https://github.com/rust-lang/rust/issues/115010>
[INFO] [stdout]     = note: `#[warn(elided_lifetimes_in_associated_constant)]` on by default
[INFO] [stdout] help: use the `'static` lifetime
[INFO] [stdout]     |
[INFO] [stdout] 291 |     const LEN: &'static str = "len";
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `&` without an explicit lifetime name cannot be used here
[INFO] [stdout]    --> src/object/mod.rs:292:17
[INFO] [stdout]     |
[INFO] [stdout] 292 |     const PUTS: &str = "puts";
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #115010 <https://github.com/rust-lang/rust/issues/115010>
[INFO] [stdout] help: use the `'static` lifetime
[INFO] [stdout]     |
[INFO] [stdout] 292 |     const PUTS: &'static str = "puts";
[INFO] [stdout]     |                  +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `&` without an explicit lifetime name cannot be used here
[INFO] [stdout]    --> src/object/mod.rs:291:16
[INFO] [stdout]     |
[INFO] [stdout] 291 |     const LEN: &str = "len";
[INFO] [stdout]     |                ^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #115010 <https://github.com/rust-lang/rust/issues/115010>
[INFO] [stdout]     = note: `#[warn(elided_lifetimes_in_associated_constant)]` on by default
[INFO] [stdout] help: use the `'static` lifetime
[INFO] [stdout]     |
[INFO] [stdout] 291 |     const LEN: &'static str = "len";
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `&` without an explicit lifetime name cannot be used here
[INFO] [stdout]    --> src/object/mod.rs:292:17
[INFO] [stdout]     |
[INFO] [stdout] 292 |     const PUTS: &str = "puts";
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #115010 <https://github.com/rust-lang/rust/issues/115010>
[INFO] [stdout] help: use the `'static` lifetime
[INFO] [stdout]     |
[INFO] [stdout] 292 |     const PUTS: &'static str = "puts";
[INFO] [stdout]     |                  +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "7850c11cd360da4f3f01da32d4be88b32c1eefb5cb67b57bc6e2e6c04fb65590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7850c11cd360da4f3f01da32d4be88b32c1eefb5cb67b57bc6e2e6c04fb65590", kill_on_drop: false }`
[INFO] [stdout] 7850c11cd360da4f3f01da32d4be88b32c1eefb5cb67b57bc6e2e6c04fb65590