[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 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyomaytk%2FMir9cc" "/workspace/builds/worker-32/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-32/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yomaytk/Mir9cc on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-32/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" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b981908e48ccab044f510c24926a5092a4d4d15ca64d863f8c65838143499aa8
[INFO] running `Command { std: "docker" "start" "-a" "b981908e48ccab044f510c24926a5092a4d4d15ca64d863f8c65838143499aa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b981908e48ccab044f510c24926a5092a4d4d15ca64d863f8c65838143499aa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b981908e48ccab044f510c24926a5092a4d4d15ca64d863f8c65838143499aa8", kill_on_drop: false }`
[INFO] [stdout] b981908e48ccab044f510c24926a5092a4d4d15ca64d863f8c65838143499aa8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdb9c34e0dd4bf3ef9b4d6fb8cef2ebc0071227288d3951a91b47844814c97e2
[INFO] running `Command { std: "docker" "start" "-a" "cdb9c34e0dd4bf3ef9b4d6fb8cef2ebc0071227288d3951a91b47844814c97e2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[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 3.41s
[INFO] running `Command { std: "docker" "inspect" "cdb9c34e0dd4bf3ef9b4d6fb8cef2ebc0071227288d3951a91b47844814c97e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdb9c34e0dd4bf3ef9b4d6fb8cef2ebc0071227288d3951a91b47844814c97e2", kill_on_drop: false }`
[INFO] [stdout] cdb9c34e0dd4bf3ef9b4d6fb8cef2ebc0071227288d3951a91b47844814c97e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1f965a5e19647cdb37ce51622f86ca7e543f06c1f52fef79dc10dac9b72b1f5
[INFO] running `Command { std: "docker" "start" "-a" "e1f965a5e19647cdb37ce51622f86ca7e543f06c1f52fef79dc10dac9b72b1f5", 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 1.97s
[INFO] running `Command { std: "docker" "inspect" "e1f965a5e19647cdb37ce51622f86ca7e543f06c1f52fef79dc10dac9b72b1f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1f965a5e19647cdb37ce51622f86ca7e543f06c1f52fef79dc10dac9b72b1f5", kill_on_drop: false }`
[INFO] [stdout] e1f965a5e19647cdb37ce51622f86ca7e543f06c1f52fef79dc10dac9b72b1f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9b8503ebcc09deb41a4eb1313412b65125123533dd85f820256b137d396986df
[INFO] running `Command { std: "docker" "start" "-a" "9b8503ebcc09deb41a4eb1313412b65125123533dd85f820256b137d396986df", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `next`
[INFO] [stderr]   --> src/preprocess.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub next: Option<Box<Env>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[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 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mir9cc-34b0da7fa2c96cf6)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mir9cc-fe4cc2a0d5d48ac4)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests mir9cc
[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 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" "9b8503ebcc09deb41a4eb1313412b65125123533dd85f820256b137d396986df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b8503ebcc09deb41a4eb1313412b65125123533dd85f820256b137d396986df", kill_on_drop: false }`
[INFO] [stdout] 9b8503ebcc09deb41a4eb1313412b65125123533dd85f820256b137d396986df