[INFO] cloning repository https://github.com/kilmanio/lob
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kilmanio/lob" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkilmanio%2Flob", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkilmanio%2Flob'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c27a2ad2ed72b7ad100b057eb4a1893f5f8d5c51
[INFO] checking kilmanio/lob against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkilmanio%2Flob" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kilmanio/lob 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/kilmanio/lob
[INFO] finished tweaking git repo https://github.com/kilmanio/lob
[INFO] tweaked toml for git repo https://github.com/kilmanio/lob written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kilmanio/lob 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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 2e0b7d0ee8621b33edcfc47dc52a928acae6986df8953cff0e29bfee149f52d4
[INFO] running `Command { std: "docker" "start" "-a" "2e0b7d0ee8621b33edcfc47dc52a928acae6986df8953cff0e29bfee149f52d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e0b7d0ee8621b33edcfc47dc52a928acae6986df8953cff0e29bfee149f52d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e0b7d0ee8621b33edcfc47dc52a928acae6986df8953cff0e29bfee149f52d4", kill_on_drop: false }`
[INFO] [stdout] 2e0b7d0ee8621b33edcfc47dc52a928acae6986df8953cff0e29bfee149f52d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b0a568a4bd355b79303c526b78f00eb452df5e72f5d339e18d01de295e651692
[INFO] running `Command { std: "docker" "start" "-a" "b0a568a4bd355b79303c526b78f00eb452df5e72f5d339e18d01de295e651692", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling httparse v1.6.0
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling anyhow v1.0.55
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling rust_decimal v1.22.0
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking sha-1 v0.10.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking tungstenite v0.17.2
[INFO] [stderr]     Checking lob v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.38s
[INFO] running `Command { std: "docker" "inspect" "b0a568a4bd355b79303c526b78f00eb452df5e72f5d339e18d01de295e651692", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0a568a4bd355b79303c526b78f00eb452df5e72f5d339e18d01de295e651692", kill_on_drop: false }`
[INFO] [stdout] b0a568a4bd355b79303c526b78f00eb452df5e72f5d339e18d01de295e651692
[INFO] checking kilmanio/lob against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkilmanio%2Flob" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kilmanio/lob on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kilmanio/lob
[INFO] finished tweaking git repo https://github.com/kilmanio/lob
[INFO] tweaked toml for git repo https://github.com/kilmanio/lob written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kilmanio/lob 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1af39ca53ee479097931848860735fab613c03ceeb2c50ada1e355c8d74eb036
[INFO] running `Command { std: "docker" "start" "-a" "1af39ca53ee479097931848860735fab613c03ceeb2c50ada1e355c8d74eb036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1af39ca53ee479097931848860735fab613c03ceeb2c50ada1e355c8d74eb036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1af39ca53ee479097931848860735fab613c03ceeb2c50ada1e355c8d74eb036", kill_on_drop: false }`
[INFO] [stdout] 1af39ca53ee479097931848860735fab613c03ceeb2c50ada1e355c8d74eb036
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84ce7015fcb3cc67c75cfa883d0abaff85ed57be822027d56230e13ee20a92b4
[INFO] running `Command { std: "docker" "start" "-a" "84ce7015fcb3cc67c75cfa883d0abaff85ed57be822027d56230e13ee20a92b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling httparse v1.6.0
[INFO] [stderr]    Compiling anyhow v1.0.55
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling rust_decimal v1.22.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking sha-1 v0.10.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking tungstenite v0.17.2
[INFO] [stderr]     Checking lob v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.99s
[INFO] running `Command { std: "docker" "inspect" "84ce7015fcb3cc67c75cfa883d0abaff85ed57be822027d56230e13ee20a92b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84ce7015fcb3cc67c75cfa883d0abaff85ed57be822027d56230e13ee20a92b4", kill_on_drop: false }`
[INFO] [stdout] 84ce7015fcb3cc67c75cfa883d0abaff85ed57be822027d56230e13ee20a92b4