[INFO] cloning repository https://github.com/vityafx/cargo-cook
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vityafx/cargo-cook" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvityafx%2Fcargo-cook", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvityafx%2Fcargo-cook'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae938f649fe007e189eeeb4bc0a54026912ab495
[INFO] checking vityafx/cargo-cook against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvityafx%2Fcargo-cook" "/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/vityafx/cargo-cook 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/vityafx/cargo-cook
[INFO] finished tweaking git repo https://github.com/vityafx/cargo-cook
[INFO] tweaked toml for git repo https://github.com/vityafx/cargo-cook written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/vityafx/cargo-cook 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 sysconf v0.3.4
[INFO] [stderr]   Downloaded ssh2 v0.9.4
[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] f5578a5ff875629b0c0ffeec8ab0859a02750a020f9330b36593d35a1cd877cc
[INFO] running `Command { std: "docker" "start" "-a" "f5578a5ff875629b0c0ffeec8ab0859a02750a020f9330b36593d35a1cd877cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5578a5ff875629b0c0ffeec8ab0859a02750a020f9330b36593d35a1cd877cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5578a5ff875629b0c0ffeec8ab0859a02750a020f9330b36593d35a1cd877cc", kill_on_drop: false }`
[INFO] [stdout] f5578a5ff875629b0c0ffeec8ab0859a02750a020f9330b36593d35a1cd877cc
[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] 96aab2b9f11200155d1c6b179931f3b308f179a2995d021b343d5a6ceb4cde9b
[INFO] running `Command { std: "docker" "start" "-a" "96aab2b9f11200155d1c6b179931f3b308f179a2995d021b343d5a6ceb4cde9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking xattr v1.0.1
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking filetime v0.2.23
[INFO] [stderr]     Checking errno v0.2.8
[INFO] [stderr]     Checking rpassword v5.0.1
[INFO] [stderr]     Checking sysconf v0.3.4
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking tar v0.4.40
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]    Compiling openssl-sys v0.9.97
[INFO] [stderr]    Compiling libz-sys v1.1.12
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling libssh2-sys v0.3.0
[INFO] [stderr]     Checking bzip2 v0.4.4
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking ssh2 v0.9.4
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking cargo-cook v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.32s
[INFO] running `Command { std: "docker" "inspect" "96aab2b9f11200155d1c6b179931f3b308f179a2995d021b343d5a6ceb4cde9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96aab2b9f11200155d1c6b179931f3b308f179a2995d021b343d5a6ceb4cde9b", kill_on_drop: false }`
[INFO] [stdout] 96aab2b9f11200155d1c6b179931f3b308f179a2995d021b343d5a6ceb4cde9b
[INFO] checking vityafx/cargo-cook against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvityafx%2Fcargo-cook" "/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/vityafx/cargo-cook 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/vityafx/cargo-cook
[INFO] finished tweaking git repo https://github.com/vityafx/cargo-cook
[INFO] tweaked toml for git repo https://github.com/vityafx/cargo-cook written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/vityafx/cargo-cook 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] a0082758d0aca4404897b9b2c505728b97133e45207190c5c2ee7942d5b5b94d
[INFO] running `Command { std: "docker" "start" "-a" "a0082758d0aca4404897b9b2c505728b97133e45207190c5c2ee7942d5b5b94d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0082758d0aca4404897b9b2c505728b97133e45207190c5c2ee7942d5b5b94d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0082758d0aca4404897b9b2c505728b97133e45207190c5c2ee7942d5b5b94d", kill_on_drop: false }`
[INFO] [stdout] a0082758d0aca4404897b9b2c505728b97133e45207190c5c2ee7942d5b5b94d
[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] 29758088de18a13a4a92c98792703e0e130985b9def0cbace1269280fdd98cfb
[INFO] running `Command { std: "docker" "start" "-a" "29758088de18a13a4a92c98792703e0e130985b9def0cbace1269280fdd98cfb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking errno v0.2.8
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking filetime v0.2.23
[INFO] [stderr]     Checking xattr v1.0.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rpassword v5.0.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking sysconf v0.3.4
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking tar v0.4.40
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling libz-sys v1.1.12
[INFO] [stderr]    Compiling openssl-sys v0.9.97
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling libssh2-sys v0.3.0
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking bzip2 v0.4.4
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking ssh2 v0.9.4
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking cargo-cook v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.52s
[INFO] running `Command { std: "docker" "inspect" "29758088de18a13a4a92c98792703e0e130985b9def0cbace1269280fdd98cfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29758088de18a13a4a92c98792703e0e130985b9def0cbace1269280fdd98cfb", kill_on_drop: false }`
[INFO] [stdout] 29758088de18a13a4a92c98792703e0e130985b9def0cbace1269280fdd98cfb