[INFO] cloning repository https://github.com/aerfio/amostutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aerfio/amostutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faerfio%2Famostutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faerfio%2Famostutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c8dc23f3478dacd3728c873edee0a855805166ee
[INFO] checking aerfio/amostutorial against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faerfio%2Famostutorial" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aerfio/amostutorial 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/aerfio/amostutorial
[INFO] finished tweaking git repo https://github.com/aerfio/amostutorial
[INFO] tweaked toml for git repo https://github.com/aerfio/amostutorial written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/aerfio/amostutorial 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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pretty-hex v0.3.0
[INFO] [stderr]   Downloaded clap_mangen v0.1.11
[INFO] [stderr]   Downloaded sharded-slab v0.1.6
[INFO] [stderr]   Downloaded rustix v0.37.24
[INFO] [stderr]   Downloaded artem v1.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] eb8e79c959796fc98a30a044e4b213045ae0acd424a9f37256832a3235814dde
[INFO] running `Command { std: "docker" "start" "-a" "eb8e79c959796fc98a30a044e4b213045ae0acd424a9f37256832a3235814dde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb8e79c959796fc98a30a044e4b213045ae0acd424a9f37256832a3235814dde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb8e79c959796fc98a30a044e4b213045ae0acd424a9f37256832a3235814dde", kill_on_drop: false }`
[INFO] [stdout] eb8e79c959796fc98a30a044e4b213045ae0acd424a9f37256832a3235814dde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e1fbd397fbb6da4e8e28e79bdc57abe206ed347b136a15d8cfced832aa32a0a0
[INFO] running `Command { std: "docker" "start" "-a" "e1fbd397fbb6da4e8e28e79bdc57abe206ed347b136a15d8cfced832aa32a0a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling openssl-sys v0.9.93
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling os_str_bytes v6.5.1
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling openssl v0.10.57
[INFO] [stderr]    Compiling once_cell v1.18.0
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[INFO] [stderr]    Compiling termcolor v1.3.0
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling rustix v0.38.15
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]     Checking tracing-serde v0.1.3
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[INFO] [stderr]     Checking aho-corasick v1.1.1
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[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]    Compiling rustix v0.37.24
[INFO] [stderr]    Compiling roff v0.2.1
[INFO] [stderr]    Compiling native-tls v0.2.11
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[INFO] [stderr]     Checking qoi v0.4.1
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[INFO] [stderr]     Checking gif v0.12.0
[INFO] [stderr]     Checking object v0.32.1
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking rustc-demangle v0.1.23
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[INFO] [stderr]     Checking colored v2.0.4
[INFO] [stderr]     Checking pretty-hex v0.3.0
[INFO] [stderr]    Compiling rustls v0.21.7
[INFO] [stderr]     Checking color-spantrace v0.2.0
[INFO] [stderr]     Checking jpeg-decoder v0.3.0
[INFO] [stderr]    Compiling clap_complete v3.2.5
[INFO] [stderr]    Compiling clap_mangen v0.1.11
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking regex v1.9.6
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]     Checking rustls-webpki v0.101.6
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking tiff v0.9.0
[INFO] [stderr]    Compiling artem v1.2.1
[INFO] [stderr]     Checking color-eyre v0.6.2
[INFO] [stderr]     Checking image v0.24.7
[INFO] [stderr]     Checking tokio-util v0.7.9
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking h2 v0.3.21
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking hyper-rustls v0.24.1
[INFO] [stderr]     Checking axum v0.6.20
[INFO] [stderr]     Checking reqwest v0.11.22
[INFO] [stderr]     Checking amostutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.61s
[INFO] running `Command { std: "docker" "inspect" "e1fbd397fbb6da4e8e28e79bdc57abe206ed347b136a15d8cfced832aa32a0a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1fbd397fbb6da4e8e28e79bdc57abe206ed347b136a15d8cfced832aa32a0a0", kill_on_drop: false }`
[INFO] [stdout] e1fbd397fbb6da4e8e28e79bdc57abe206ed347b136a15d8cfced832aa32a0a0