[INFO] fetching crate devenv 0.1.0...
[INFO] checking devenv-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate devenv 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate devenv 0.1.0 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 crates.io crate devenv 0.1.0
[INFO] finished tweaking crates.io crate devenv 0.1.0
[INFO] tweaked toml for crates.io crate devenv 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate devenv 0.1.0 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 linked-hash-map v0.5.4
[INFO] [stderr]   Downloaded paris v1.5.13
[INFO] [stderr]   Downloaded serde_yaml v0.8.24
[INFO] [stderr]   Downloaded proc-macro2 v1.0.36
[INFO] [stderr]   Downloaded tokio-macros v1.7.0
[INFO] [stderr]   Downloaded indexmap v1.8.1
[INFO] [stderr]   Downloaded bincode_derive v2.0.0-rc.1
[INFO] [stderr]   Downloaded argh_shared v0.1.7
[INFO] [stderr]   Downloaded futures v0.3.21
[INFO] [stderr]   Downloaded argh_derive v0.1.7
[INFO] [stderr]   Downloaded virtue v0.0.7
[INFO] [stderr]   Downloaded object v0.27.1
[INFO] [stderr]   Downloaded syn v1.0.92
[INFO] [stderr]   Downloaded tokio v1.18.2
[INFO] [stderr]   Downloaded gimli v0.26.1
[INFO] [stderr]   Downloaded color-eyre v0.6.1
[INFO] [stderr]   Downloaded libc v0.2.121
[INFO] [stderr]   Downloaded bincode v2.0.0-rc.1
[INFO] [stderr]   Downloaded owo-colors v3.3.0
[INFO] [stderr]   Downloaded async-trait v0.1.53
[INFO] [stderr]   Downloaded cached v0.34.0
[INFO] [stderr]   Downloaded backtrace v0.3.64
[INFO] [stderr]   Downloaded tracing v0.1.32
[INFO] [stderr]   Downloaded sharded-slab v0.1.4
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.9
[INFO] [stderr]   Downloaded futures-executor v0.3.21
[INFO] [stderr]   Downloaded tracing-core v0.1.23
[INFO] [stderr]   Downloaded argh v0.1.7
[INFO] [stderr]   Downloaded async_once v0.2.6
[INFO] [stderr]   Downloaded cached_proc_macro v0.12.0
[INFO] [stderr]   Downloaded cached_proc_macro_types v0.1.0
[INFO] [stderr]   Downloaded futures-macro v0.3.21
[INFO] [stderr]   Downloaded slab v0.4.6
[INFO] [stderr]   Downloaded eyre v0.6.7
[INFO] [stderr]   Downloaded pin-project-lite v0.2.8
[INFO] [stderr]   Downloaded once_cell v1.10.0
[INFO] [stderr]   Downloaded thread_local v1.1.4
[INFO] [stderr]   Downloaded getrandom v0.2.6
[INFO] [stderr]   Downloaded quote v1.0.17
[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] c2c9e6c9d5292efcfbe57afe3c2d7cfe96d2cdda2e31d42dbcf0952af9d0d268
[INFO] running `Command { std: "docker" "start" "-a" "c2c9e6c9d5292efcfbe57afe3c2d7cfe96d2cdda2e31d42dbcf0952af9d0d268", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2c9e6c9d5292efcfbe57afe3c2d7cfe96d2cdda2e31d42dbcf0952af9d0d268", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2c9e6c9d5292efcfbe57afe3c2d7cfe96d2cdda2e31d42dbcf0952af9d0d268", kill_on_drop: false }`
[INFO] [stdout] c2c9e6c9d5292efcfbe57afe3c2d7cfe96d2cdda2e31d42dbcf0952af9d0d268
[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] f3269ec2f90d8b547967e650f0ad750f1e473330e28cd1c82d344621b52afac2
[INFO] running `Command { std: "docker" "start" "-a" "f3269ec2f90d8b547967e650f0ad750f1e473330e28cd1c82d344621b52afac2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking tracing-core v0.1.23
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling eyre v0.6.7
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]     Checking tracing v0.1.32
[INFO] [stderr]    Compiling virtue v0.0.7
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking owo-colors v3.3.0
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling cached_proc_macro_types v0.1.0
[INFO] [stderr]    Compiling argh_shared v0.1.7
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]     Checking tracing-subscriber v0.3.9
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking hashbrown v0.12.1
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking async_once v0.2.6
[INFO] [stderr]    Compiling bincode_derive v2.0.0-rc.1
[INFO] [stderr]     Checking paris v1.5.13
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking color-spantrace v0.2.0
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking color-eyre v0.6.1
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling argh_derive v0.1.7
[INFO] [stderr]     Checking tokio v1.18.2
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]     Checking argh v0.1.7
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling cached_proc_macro v0.12.0
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking cached v0.34.0
[INFO] [stderr]     Checking serde_yaml v0.8.24
[INFO] [stderr]     Checking bincode v2.0.0-rc.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking devenv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.73s
[INFO] running `Command { std: "docker" "inspect" "f3269ec2f90d8b547967e650f0ad750f1e473330e28cd1c82d344621b52afac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3269ec2f90d8b547967e650f0ad750f1e473330e28cd1c82d344621b52afac2", kill_on_drop: false }`
[INFO] [stdout] f3269ec2f90d8b547967e650f0ad750f1e473330e28cd1c82d344621b52afac2
[INFO] checking devenv-0.1.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate devenv 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate devenv 0.1.0 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 crates.io crate devenv 0.1.0
[INFO] finished tweaking crates.io crate devenv 0.1.0
[INFO] tweaked toml for crates.io crate devenv 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate devenv 0.1.0 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-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] ff16428c50d74936fcb3da2d6fd2ee2d5e47764a6c74a0f0bf0fffb5843fd941
[INFO] running `Command { std: "docker" "start" "-a" "ff16428c50d74936fcb3da2d6fd2ee2d5e47764a6c74a0f0bf0fffb5843fd941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff16428c50d74936fcb3da2d6fd2ee2d5e47764a6c74a0f0bf0fffb5843fd941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff16428c50d74936fcb3da2d6fd2ee2d5e47764a6c74a0f0bf0fffb5843fd941", kill_on_drop: false }`
[INFO] [stdout] ff16428c50d74936fcb3da2d6fd2ee2d5e47764a6c74a0f0bf0fffb5843fd941
[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] 96ebc1aec800121c87477b205c0331902240ccf02f388198a3598d7795a6b738
[INFO] running `Command { std: "docker" "start" "-a" "96ebc1aec800121c87477b205c0331902240ccf02f388198a3598d7795a6b738", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking tracing-core v0.1.23
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling eyre v0.6.7
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]     Checking tracing v0.1.32
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling cached_proc_macro_types v0.1.0
[INFO] [stderr]     Checking owo-colors v3.3.0
[INFO] [stderr]    Compiling argh_shared v0.1.7
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]    Compiling virtue v0.0.7
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking hashbrown v0.12.1
[INFO] [stderr]     Checking async_once v0.2.6
[INFO] [stderr]     Checking paris v1.5.13
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]     Checking tracing-subscriber v0.3.9
[INFO] [stderr]    Compiling bincode_derive v2.0.0-rc.1
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking color-spantrace v0.2.0
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking color-eyre v0.6.1
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling argh_derive v0.1.7
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]     Checking tokio v1.18.2
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling cached_proc_macro v0.12.0
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking argh v0.1.7
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking cached v0.34.0
[INFO] [stderr]     Checking bincode v2.0.0-rc.1
[INFO] [stderr]     Checking serde_yaml v0.8.24
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking devenv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.80s
[INFO] running `Command { std: "docker" "inspect" "96ebc1aec800121c87477b205c0331902240ccf02f388198a3598d7795a6b738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96ebc1aec800121c87477b205c0331902240ccf02f388198a3598d7795a6b738", kill_on_drop: false }`
[INFO] [stdout] 96ebc1aec800121c87477b205c0331902240ccf02f388198a3598d7795a6b738