[INFO] cloning repository https://github.com/jo12bar/rust-teeny-tiny-basic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jo12bar/rust-teeny-tiny-basic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjo12bar%2Frust-teeny-tiny-basic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjo12bar%2Frust-teeny-tiny-basic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 42bb2a25315cb0ce395e3de901923328508aaee1
[INFO] checking jo12bar/rust-teeny-tiny-basic against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjo12bar%2Frust-teeny-tiny-basic" "/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/jo12bar/rust-teeny-tiny-basic 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/jo12bar/rust-teeny-tiny-basic
[INFO] finished tweaking git repo https://github.com/jo12bar/rust-teeny-tiny-basic
[INFO] tweaked toml for git repo https://github.com/jo12bar/rust-teeny-tiny-basic written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jo12bar/rust-teeny-tiny-basic 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ariadne v0.1.5
[INFO] [stderr]   Downloaded color-eyre v0.6.1
[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] 8e8be6dfa5bbf026825c3ad7b73aefbb13fa79cf99035c78e70c244097e404fc
[INFO] running `Command { std: "docker" "start" "-a" "8e8be6dfa5bbf026825c3ad7b73aefbb13fa79cf99035c78e70c244097e404fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e8be6dfa5bbf026825c3ad7b73aefbb13fa79cf99035c78e70c244097e404fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e8be6dfa5bbf026825c3ad7b73aefbb13fa79cf99035c78e70c244097e404fc", kill_on_drop: false }`
[INFO] [stdout] 8e8be6dfa5bbf026825c3ad7b73aefbb13fa79cf99035c78e70c244097e404fc
[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] 7edc797d819f694d4fc893cdfbdf85e1ec80b96939e893b1444a3a51652e4a6c
[INFO] running `Command { std: "docker" "start" "-a" "7edc797d819f694d4fc893cdfbdf85e1ec80b96939e893b1444a3a51652e4a6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking owo-colors v3.4.0
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking tracing-core v0.1.28
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking ariadne v0.1.5
[INFO] [stderr]     Checking tracing-subscriber v0.3.11
[INFO] [stderr]     Checking tracing v0.1.35
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling const-random-macro v0.1.13
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking color-spantrace v0.2.0
[INFO] [stderr]     Checking const-random v0.1.13
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking chumsky v0.8.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking color-eyre v0.6.1
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking teeny-basic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.09s
[INFO] running `Command { std: "docker" "inspect" "7edc797d819f694d4fc893cdfbdf85e1ec80b96939e893b1444a3a51652e4a6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7edc797d819f694d4fc893cdfbdf85e1ec80b96939e893b1444a3a51652e4a6c", kill_on_drop: false }`
[INFO] [stdout] 7edc797d819f694d4fc893cdfbdf85e1ec80b96939e893b1444a3a51652e4a6c
[INFO] checking jo12bar/rust-teeny-tiny-basic against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjo12bar%2Frust-teeny-tiny-basic" "/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/jo12bar/rust-teeny-tiny-basic on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jo12bar/rust-teeny-tiny-basic
[INFO] finished tweaking git repo https://github.com/jo12bar/rust-teeny-tiny-basic
[INFO] tweaked toml for git repo https://github.com/jo12bar/rust-teeny-tiny-basic written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jo12bar/rust-teeny-tiny-basic 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d000d234961f9478fa71ad3c2191a0a10145141ceef54337941d2cf83d4680d9
[INFO] running `Command { std: "docker" "start" "-a" "d000d234961f9478fa71ad3c2191a0a10145141ceef54337941d2cf83d4680d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d000d234961f9478fa71ad3c2191a0a10145141ceef54337941d2cf83d4680d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d000d234961f9478fa71ad3c2191a0a10145141ceef54337941d2cf83d4680d9", kill_on_drop: false }`
[INFO] [stdout] d000d234961f9478fa71ad3c2191a0a10145141ceef54337941d2cf83d4680d9
[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=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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98f6c64e724689bccaf1adc3388be42aba12fc6c1a372c7235877dd7ce1acb9e
[INFO] running `Command { std: "docker" "start" "-a" "98f6c64e724689bccaf1adc3388be42aba12fc6c1a372c7235877dd7ce1acb9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking owo-colors v3.4.0
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking tracing-core v0.1.28
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking ariadne v0.1.5
[INFO] [stderr]     Checking tracing-subscriber v0.3.11
[INFO] [stderr]     Checking tracing v0.1.35
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling const-random-macro v0.1.13
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking color-spantrace v0.2.0
[INFO] [stderr]     Checking const-random v0.1.13
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking chumsky v0.8.0
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking color-eyre v0.6.1
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking teeny-basic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.77s
[INFO] running `Command { std: "docker" "inspect" "98f6c64e724689bccaf1adc3388be42aba12fc6c1a372c7235877dd7ce1acb9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98f6c64e724689bccaf1adc3388be42aba12fc6c1a372c7235877dd7ce1acb9e", kill_on_drop: false }`
[INFO] [stdout] 98f6c64e724689bccaf1adc3388be42aba12fc6c1a372c7235877dd7ce1acb9e