[INFO] cloning repository https://github.com/ChrisDavison/zipchoose
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ChrisDavison/zipchoose" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChrisDavison%2Fzipchoose", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChrisDavison%2Fzipchoose'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cca20e598b72356817d6e11681fbf28b98184ece
[INFO] checking ChrisDavison/zipchoose against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChrisDavison%2Fzipchoose" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ChrisDavison/zipchoose 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/ChrisDavison/zipchoose
[INFO] finished tweaking git repo https://github.com/ChrisDavison/zipchoose
[INFO] tweaked toml for git repo https://github.com/ChrisDavison/zipchoose written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ChrisDavison/zipchoose 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] dd497c3fee2dd1f52d82f8afef5dfb21c0087d7b00e2cb427ab7349102256a01
[INFO] running `Command { std: "docker" "start" "-a" "dd497c3fee2dd1f52d82f8afef5dfb21c0087d7b00e2cb427ab7349102256a01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd497c3fee2dd1f52d82f8afef5dfb21c0087d7b00e2cb427ab7349102256a01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd497c3fee2dd1f52d82f8afef5dfb21c0087d7b00e2cb427ab7349102256a01", kill_on_drop: false }`
[INFO] [stdout] dd497c3fee2dd1f52d82f8afef5dfb21c0087d7b00e2cb427ab7349102256a01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] cade58456dbab21cd47984042aa2fbbb0417baec1f9ea3c0caf5b9fe3c786c2c
[INFO] running `Command { std: "docker" "start" "-a" "cade58456dbab21cd47984042aa2fbbb0417baec1f9ea3c0caf5b9fe3c786c2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking time-core v0.1.2
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking password-hash v0.4.2
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking pbkdf2 v0.11.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling jobserver v0.1.28
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling zstd-sys v2.0.9+zstd.1.5.5
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]     Checking bzip2 v0.4.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking zstd v0.11.2+zstd.1.5.2
[INFO] [stderr]     Checking zip v0.6.6
[INFO] [stderr]     Checking ziputil v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.43s
[INFO] running `Command { std: "docker" "inspect" "cade58456dbab21cd47984042aa2fbbb0417baec1f9ea3c0caf5b9fe3c786c2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cade58456dbab21cd47984042aa2fbbb0417baec1f9ea3c0caf5b9fe3c786c2c", kill_on_drop: false }`
[INFO] [stdout] cade58456dbab21cd47984042aa2fbbb0417baec1f9ea3c0caf5b9fe3c786c2c
[INFO] checking ChrisDavison/zipchoose against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChrisDavison%2Fzipchoose" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ChrisDavison/zipchoose 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/ChrisDavison/zipchoose
[INFO] finished tweaking git repo https://github.com/ChrisDavison/zipchoose
[INFO] tweaked toml for git repo https://github.com/ChrisDavison/zipchoose written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ChrisDavison/zipchoose 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e56b2b13b6e5e44382031d4f9afb07019d7b68b5b2f65b04e672c901f317e8b1
[INFO] running `Command { std: "docker" "start" "-a" "e56b2b13b6e5e44382031d4f9afb07019d7b68b5b2f65b04e672c901f317e8b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e56b2b13b6e5e44382031d4f9afb07019d7b68b5b2f65b04e672c901f317e8b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e56b2b13b6e5e44382031d4f9afb07019d7b68b5b2f65b04e672c901f317e8b1", kill_on_drop: false }`
[INFO] [stdout] e56b2b13b6e5e44382031d4f9afb07019d7b68b5b2f65b04e672c901f317e8b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f44956f3fd566b9c3862333c5e1e071be217353d7eb59d089db19addab0f9556
[INFO] running `Command { std: "docker" "start" "-a" "f44956f3fd566b9c3862333c5e1e071be217353d7eb59d089db19addab0f9556", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking time-core v0.1.2
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking password-hash v0.4.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking pbkdf2 v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]    Compiling jobserver v0.1.28
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling zstd-sys v2.0.9+zstd.1.5.5
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]     Checking bzip2 v0.4.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking zstd v0.11.2+zstd.1.5.2
[INFO] [stderr]     Checking zip v0.6.6
[INFO] [stderr]     Checking ziputil v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.94s
[INFO] running `Command { std: "docker" "inspect" "f44956f3fd566b9c3862333c5e1e071be217353d7eb59d089db19addab0f9556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f44956f3fd566b9c3862333c5e1e071be217353d7eb59d089db19addab0f9556", kill_on_drop: false }`
[INFO] [stdout] f44956f3fd566b9c3862333c5e1e071be217353d7eb59d089db19addab0f9556