[INFO] cloning repository https://github.com/yomaytk/Mir9cc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yomaytk/Mir9cc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyomaytk%2FMir9cc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyomaytk%2FMir9cc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bad8815701270c2e2153b342b2487183d833893a
[INFO] testing yomaytk/Mir9cc against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyomaytk%2FMir9cc" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yomaytk/Mir9cc on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yomaytk/Mir9cc
[INFO] finished tweaking git repo https://github.com/yomaytk/Mir9cc
[INFO] tweaked toml for git repo https://github.com/yomaytk/Mir9cc written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/yomaytk/Mir9cc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 837918287ba5f96b358409b511b44bc1af60d37a8246c373ce0715fe90976d73
[INFO] running `Command { std: "docker" "start" "-a" "837918287ba5f96b358409b511b44bc1af60d37a8246c373ce0715fe90976d73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "837918287ba5f96b358409b511b44bc1af60d37a8246c373ce0715fe90976d73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "837918287ba5f96b358409b511b44bc1af60d37a8246c373ce0715fe90976d73", kill_on_drop: false }`
[INFO] [stdout] 837918287ba5f96b358409b511b44bc1af60d37a8246c373ce0715fe90976d73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffe65f9ec4ed27948094a7eb692b34a73872a79d89dae457ce99080c7e40ab6e
[INFO] running `Command { std: "docker" "start" "-a" "ffe65f9ec4ed27948094a7eb692b34a73872a79d89dae457ce99080c7e40ab6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling mir9cc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `next`
[INFO] [stdout]   --> src/preprocess.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub next: Option<Box<Env>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/token.rs:412:13
[INFO] [stdout]     |
[INFO] [stdout] 412 |     panic!("{} c is not hex char.");
[INFO] [stdout]     |             ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 412 |     panic!("{} c is not hex char.", ...);
[INFO] [stdout]     |                                   +++++
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 412 |     panic!("{}", "{} c is not hex char.");
[INFO] [stdout]     |            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.84s
[INFO] running `Command { std: "docker" "inspect" "ffe65f9ec4ed27948094a7eb692b34a73872a79d89dae457ce99080c7e40ab6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffe65f9ec4ed27948094a7eb692b34a73872a79d89dae457ce99080c7e40ab6e", kill_on_drop: false }`
[INFO] [stdout] ffe65f9ec4ed27948094a7eb692b34a73872a79d89dae457ce99080c7e40ab6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a67a4db26b874db24c33885bc728a6da99b01cd46d3ce1b01902158b9a22e36
[INFO] running `Command { std: "docker" "start" "-a" "3a67a4db26b874db24c33885bc728a6da99b01cd46d3ce1b01902158b9a22e36", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mir9cc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `next`
[INFO] [stdout]   --> src/preprocess.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub next: Option<Box<Env>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/token.rs:412:13
[INFO] [stdout]     |
[INFO] [stdout] 412 |     panic!("{} c is not hex char.");
[INFO] [stdout]     |             ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 412 |     panic!("{} c is not hex char.", ...);
[INFO] [stdout]     |                                   +++++
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 412 |     panic!("{}", "{} c is not hex char.");
[INFO] [stdout]     |            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.18s
[INFO] running `Command { std: "docker" "inspect" "3a67a4db26b874db24c33885bc728a6da99b01cd46d3ce1b01902158b9a22e36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a67a4db26b874db24c33885bc728a6da99b01cd46d3ce1b01902158b9a22e36", kill_on_drop: false }`
[INFO] [stdout] 3a67a4db26b874db24c33885bc728a6da99b01cd46d3ce1b01902158b9a22e36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bd9f6ea9a376d9987bedf1853c4c36813a32acb84cea3eb79a35ec421d5dcebd
[INFO] running `Command { std: "docker" "start" "-a" "bd9f6ea9a376d9987bedf1853c4c36813a32acb84cea3eb79a35ec421d5dcebd", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: field is never read: `next`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/preprocess.rs:24:5
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 24 |     pub next: Option<Box<Env>>,
[INFO] [stdout] 
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] running 0 tests
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stdout] 
[INFO] [stderr]    --> src/token.rs:412:13
[INFO] [stderr]     |
[INFO] [stderr] 412 |     panic!("{} c is not hex char.");
[INFO] [stderr]     |             ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 412 |     panic!("{} c is not hex char.", ...);
[INFO] [stderr]     |                                   +++++
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 412 |     panic!("{}", "{} c is not hex char.");
[INFO] [stderr]     |            +++++
[INFO] [stderr] 
[INFO] [stderr] warning: `mir9cc` (bin "mir9cc" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mir9cc-bb5b7f5625c23670)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mir9cc-b984ba221c8739ec)
[INFO] [stderr]    Doc-tests mir9cc
[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" "bd9f6ea9a376d9987bedf1853c4c36813a32acb84cea3eb79a35ec421d5dcebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd9f6ea9a376d9987bedf1853c4c36813a32acb84cea3eb79a35ec421d5dcebd", kill_on_drop: false }`
[INFO] [stdout] bd9f6ea9a376d9987bedf1853c4c36813a32acb84cea3eb79a35ec421d5dcebd