[INFO] cloning repository https://github.com/rootabeta/Magician
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rootabeta/Magician" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frootabeta%2FMagician", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frootabeta%2FMagician'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 18c6e9f410f0a0a6ca216368e00ce7490a61778f
[INFO] checking rootabeta/Magician against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frootabeta%2FMagician" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rootabeta/Magician 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/rootabeta/Magician
[INFO] finished tweaking git repo https://github.com/rootabeta/Magician
[INFO] tweaked toml for git repo https://github.com/rootabeta/Magician written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rootabeta/Magician 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]  Downloading crates ...
[INFO] [stderr]   Downloaded dyn-clone v1.0.16
[INFO] [stderr]   Downloaded progress_bar v1.0.5
[INFO] [stderr]   Downloaded anyhow v1.0.76
[INFO] [stderr]   Downloaded ureq v2.9.1
[INFO] [stderr]   Downloaded syn v2.0.42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 09468e686bddd3a85b96d8bcc7ade6b4197008ba5fe0d3924c6eb518a355f894
[INFO] running `Command { std: "docker" "start" "-a" "09468e686bddd3a85b96d8bcc7ade6b4197008ba5fe0d3924c6eb518a355f894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09468e686bddd3a85b96d8bcc7ade6b4197008ba5fe0d3924c6eb518a355f894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09468e686bddd3a85b96d8bcc7ade6b4197008ba5fe0d3924c6eb518a355f894", kill_on_drop: false }`
[INFO] [stdout] 09468e686bddd3a85b96d8bcc7ade6b4197008ba5fe0d3924c6eb518a355f894
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 508b786dea9b53eabb4d8af1af867adc6e294df4d767387cf095280373bb47d5
[INFO] running `Command { std: "docker" "start" "-a" "508b786dea9b53eabb4d8af1af867adc6e294df4d767387cf095280373bb47d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking winnow v0.5.30
[INFO] [stderr]    Compiling anyhow v1.0.76
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking webpki-roots v0.25.3
[INFO] [stderr]     Checking xml-rs v0.8.19
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking dyn-clone v1.0.16
[INFO] [stderr]     Checking progress_bar v1.0.5
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking crossterm v0.25.0
[INFO] [stderr]    Compiling syn v2.0.42
[INFO] [stderr]    Compiling ring v0.17.7
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling thiserror-impl v1.0.51
[INFO] [stderr]     Checking thiserror v1.0.51
[INFO] [stderr]     Checking inquire v0.6.2
[INFO] [stderr]    Compiling rustls v0.21.10
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking ureq v2.9.1
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking serde-xml-rs v0.6.0
[INFO] [stderr]     Checking toml_edit v0.21.0
[INFO] [stderr]     Checking toml v0.8.8
[INFO] [stderr]     Checking magician v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.22s
[INFO] running `Command { std: "docker" "inspect" "508b786dea9b53eabb4d8af1af867adc6e294df4d767387cf095280373bb47d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "508b786dea9b53eabb4d8af1af867adc6e294df4d767387cf095280373bb47d5", kill_on_drop: false }`
[INFO] [stdout] 508b786dea9b53eabb4d8af1af867adc6e294df4d767387cf095280373bb47d5
[INFO] checking rootabeta/Magician against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frootabeta%2FMagician" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rootabeta/Magician 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/rootabeta/Magician
[INFO] finished tweaking git repo https://github.com/rootabeta/Magician
[INFO] tweaked toml for git repo https://github.com/rootabeta/Magician written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rootabeta/Magician 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e1b29ddc54993dd4ca3bf2b00d76befa1937a2da5919beb929e453dd49f1068e
[INFO] running `Command { std: "docker" "start" "-a" "e1b29ddc54993dd4ca3bf2b00d76befa1937a2da5919beb929e453dd49f1068e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1b29ddc54993dd4ca3bf2b00d76befa1937a2da5919beb929e453dd49f1068e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1b29ddc54993dd4ca3bf2b00d76befa1937a2da5919beb929e453dd49f1068e", kill_on_drop: false }`
[INFO] [stdout] e1b29ddc54993dd4ca3bf2b00d76befa1937a2da5919beb929e453dd49f1068e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7c78a318bb08a53dd40f8f005ae8ac8ecffa1e83cb467c9ed5fc69e96b96029e
[INFO] running `Command { std: "docker" "start" "-a" "7c78a318bb08a53dd40f8f005ae8ac8ecffa1e83cb467c9ed5fc69e96b96029e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]    Compiling rustls v0.21.10
[INFO] [stderr]     Checking winnow v0.5.30
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling anyhow v1.0.76
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking webpki-roots v0.25.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking dyn-clone v1.0.16
[INFO] [stderr]     Checking crossterm v0.25.0
[INFO] [stderr]     Checking xml-rs v0.8.19
[INFO] [stderr]    Compiling syn v2.0.42
[INFO] [stderr]     Checking progress_bar v1.0.5
[INFO] [stderr]    Compiling ring v0.17.7
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling thiserror-impl v1.0.51
[INFO] [stderr]     Checking thiserror v1.0.51
[INFO] [stderr]     Checking inquire v0.6.2
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking ureq v2.9.1
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking serde-xml-rs v0.6.0
[INFO] [stderr]     Checking toml_edit v0.21.0
[INFO] [stderr]     Checking toml v0.8.8
[INFO] [stderr]     Checking magician v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.61s
[INFO] running `Command { std: "docker" "inspect" "7c78a318bb08a53dd40f8f005ae8ac8ecffa1e83cb467c9ed5fc69e96b96029e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c78a318bb08a53dd40f8f005ae8ac8ecffa1e83cb467c9ed5fc69e96b96029e", kill_on_drop: false }`
[INFO] [stdout] 7c78a318bb08a53dd40f8f005ae8ac8ecffa1e83cb467c9ed5fc69e96b96029e