[INFO] cloning repository https://github.com/andrewwebber/minimal-docker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andrewwebber/minimal-docker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewwebber%2Fminimal-docker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewwebber%2Fminimal-docker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 15fdb8328e03a697a792b3768e96b58b5dfa7cbe
[INFO] checking andrewwebber/minimal-docker against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewwebber%2Fminimal-docker" "/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/andrewwebber/minimal-docker 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/andrewwebber/minimal-docker
[INFO] finished tweaking git repo https://github.com/andrewwebber/minimal-docker
[INFO] tweaked toml for git repo https://github.com/andrewwebber/minimal-docker written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/andrewwebber/minimal-docker 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]  Downloading crates ...
[INFO] [stderr]   Downloaded matchit v0.4.4
[INFO] [stderr]   Downloaded axum v0.3.1
[INFO] [stderr]   Downloaded tower-http v0.1.1
[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] bec5f639e648a217d77eb52e5937a569cb950f1937125cba6fc425aea577f41a
[INFO] running `Command { std: "docker" "start" "-a" "bec5f639e648a217d77eb52e5937a569cb950f1937125cba6fc425aea577f41a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bec5f639e648a217d77eb52e5937a569cb950f1937125cba6fc425aea577f41a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bec5f639e648a217d77eb52e5937a569cb950f1937125cba6fc425aea577f41a", kill_on_drop: false }`
[INFO] [stdout] bec5f639e648a217d77eb52e5937a569cb950f1937125cba6fc425aea577f41a
[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] f85563a29ce1bcfe2025c886f579ba504b48c4438cfd81ad07758b6e0454a448
[INFO] running `Command { std: "docker" "start" "-a" "f85563a29ce1bcfe2025c886f579ba504b48c4438cfd81ad07758b6e0454a448", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling tokio v1.13.0
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tokio-macros v1.5.1
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling serde_json v1.0.69
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]     Checking sync_wrapper v0.1.1
[INFO] [stderr]     Checking matchit v0.4.4
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking tower-http v0.1.1
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking h2 v0.3.7
[INFO] [stderr]     Checking tower v0.4.10
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking hyper v0.14.14
[INFO] [stderr]     Checking hyper-rustls v0.22.1
[INFO] [stderr]     Checking axum v0.3.1
[INFO] [stderr]     Checking reqwest v0.11.6
[INFO] [stderr]     Checking app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.46s
[INFO] running `Command { std: "docker" "inspect" "f85563a29ce1bcfe2025c886f579ba504b48c4438cfd81ad07758b6e0454a448", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f85563a29ce1bcfe2025c886f579ba504b48c4438cfd81ad07758b6e0454a448", kill_on_drop: false }`
[INFO] [stdout] f85563a29ce1bcfe2025c886f579ba504b48c4438cfd81ad07758b6e0454a448
[INFO] checking andrewwebber/minimal-docker against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewwebber%2Fminimal-docker" "/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/andrewwebber/minimal-docker 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/andrewwebber/minimal-docker
[INFO] finished tweaking git repo https://github.com/andrewwebber/minimal-docker
[INFO] tweaked toml for git repo https://github.com/andrewwebber/minimal-docker written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/andrewwebber/minimal-docker 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] 912c1f5052bd53c1f8baa22b40ad052fea92a5a106f094dbf162c59edbe574a4
[INFO] running `Command { std: "docker" "start" "-a" "912c1f5052bd53c1f8baa22b40ad052fea92a5a106f094dbf162c59edbe574a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "912c1f5052bd53c1f8baa22b40ad052fea92a5a106f094dbf162c59edbe574a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "912c1f5052bd53c1f8baa22b40ad052fea92a5a106f094dbf162c59edbe574a4", kill_on_drop: false }`
[INFO] [stdout] 912c1f5052bd53c1f8baa22b40ad052fea92a5a106f094dbf162c59edbe574a4
[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] f11a5bb2c83aac8644f0b234db1ccb9bd9fb154895b1d39193593ee0f8923e6d
[INFO] running `Command { std: "docker" "start" "-a" "f11a5bb2c83aac8644f0b234db1ccb9bd9fb154895b1d39193593ee0f8923e6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling tokio v1.13.0
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tokio-macros v1.5.1
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling serde_json v1.0.69
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]     Checking matchit v0.4.4
[INFO] [stderr]     Checking sync_wrapper v0.1.1
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking tower-http v0.1.1
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]     Checking h2 v0.3.7
[INFO] [stderr]     Checking tower v0.4.10
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking hyper v0.14.14
[INFO] [stderr]     Checking hyper-rustls v0.22.1
[INFO] [stderr]     Checking axum v0.3.1
[INFO] [stderr]     Checking reqwest v0.11.6
[INFO] [stderr]     Checking app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.95s
[INFO] running `Command { std: "docker" "inspect" "f11a5bb2c83aac8644f0b234db1ccb9bd9fb154895b1d39193593ee0f8923e6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f11a5bb2c83aac8644f0b234db1ccb9bd9fb154895b1d39193593ee0f8923e6d", kill_on_drop: false }`
[INFO] [stdout] f11a5bb2c83aac8644f0b234db1ccb9bd9fb154895b1d39193593ee0f8923e6d