[INFO] cloning repository https://github.com/ckampfe/twirl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ckampfe/twirl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckampfe%2Ftwirl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckampfe%2Ftwirl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 17e4fe5ce8729dcfd7469300257f28a1fec5b339
[INFO] checking ckampfe/twirl against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckampfe%2Ftwirl" "/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/ckampfe/twirl 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/ckampfe/twirl
[INFO] finished tweaking git repo https://github.com/ckampfe/twirl
[INFO] tweaked toml for git repo https://github.com/ckampfe/twirl written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ckampfe/twirl 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 git repository `https://github.com/ckampfe/oauth-client-rs.git`
[INFO] [stderr]     Updating git repository `https://github.com/ckampfe/twitter-api-rs.git`
[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] b6271db7990163bad25b5fff62e400e036b0b1a31e4e3789d9f0f7373ecf8a98
[INFO] running `Command { std: "docker" "start" "-a" "b6271db7990163bad25b5fff62e400e036b0b1a31e4e3789d9f0f7373ecf8a98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6271db7990163bad25b5fff62e400e036b0b1a31e4e3789d9f0f7373ecf8a98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6271db7990163bad25b5fff62e400e036b0b1a31e4e3789d9f0f7373ecf8a98", kill_on_drop: false }`
[INFO] [stdout] b6271db7990163bad25b5fff62e400e036b0b1a31e4e3789d9f0f7373ecf8a98
[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] 3d808706c148be7a32963e5b38a719fa2d5e8a931b7841c46ee27ae1879c709a
[INFO] running `Command { std: "docker" "start" "-a" "3d808706c148be7a32963e5b38a719fa2d5e8a931b7841c46ee27ae1879c709a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling futures-task v0.3.18
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking futures-sink v0.3.18
[INFO] [stderr]    Compiling futures-channel v0.3.18
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking backtrace v0.3.63
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.7
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking hyper v0.14.15
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.6
[INFO] [stderr]     Checking oauth-client v0.6.0 (https://github.com/ckampfe/oauth-client-rs.git#0ace0a5c)
[INFO] [stderr]     Checking twitter-api v0.6.0 (https://github.com/ckampfe/twitter-api-rs.git#2520c153)
[INFO] [stderr]     Checking twirl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.67s
[INFO] running `Command { std: "docker" "inspect" "3d808706c148be7a32963e5b38a719fa2d5e8a931b7841c46ee27ae1879c709a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d808706c148be7a32963e5b38a719fa2d5e8a931b7841c46ee27ae1879c709a", kill_on_drop: false }`
[INFO] [stdout] 3d808706c148be7a32963e5b38a719fa2d5e8a931b7841c46ee27ae1879c709a
[INFO] checking ckampfe/twirl against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckampfe%2Ftwirl" "/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/ckampfe/twirl 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/ckampfe/twirl
[INFO] finished tweaking git repo https://github.com/ckampfe/twirl
[INFO] tweaked toml for git repo https://github.com/ckampfe/twirl written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ckampfe/twirl 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] b67b0137b1f357a29232d15b06384b561e8ac44650d8c39ecd286de7aef52ca9
[INFO] running `Command { std: "docker" "start" "-a" "b67b0137b1f357a29232d15b06384b561e8ac44650d8c39ecd286de7aef52ca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b67b0137b1f357a29232d15b06384b561e8ac44650d8c39ecd286de7aef52ca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b67b0137b1f357a29232d15b06384b561e8ac44650d8c39ecd286de7aef52ca9", kill_on_drop: false }`
[INFO] [stdout] b67b0137b1f357a29232d15b06384b561e8ac44650d8c39ecd286de7aef52ca9
[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] 9fb0d50ca9afcdddf6d85ac3e18f3c7af88a922986229750d4136e8cfd1ece9c
[INFO] running `Command { std: "docker" "start" "-a" "9fb0d50ca9afcdddf6d85ac3e18f3c7af88a922986229750d4136e8cfd1ece9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling futures-task v0.3.18
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-channel v0.3.18
[INFO] [stderr]     Checking futures-sink v0.3.18
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking backtrace v0.3.63
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.7
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking hyper v0.14.15
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.6
[INFO] [stderr]     Checking oauth-client v0.6.0 (https://github.com/ckampfe/oauth-client-rs.git#0ace0a5c)
[INFO] [stderr]     Checking twitter-api v0.6.0 (https://github.com/ckampfe/twitter-api-rs.git#2520c153)
[INFO] [stderr]     Checking twirl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.25s
[INFO] running `Command { std: "docker" "inspect" "9fb0d50ca9afcdddf6d85ac3e18f3c7af88a922986229750d4136e8cfd1ece9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fb0d50ca9afcdddf6d85ac3e18f3c7af88a922986229750d4136e8cfd1ece9c", kill_on_drop: false }`
[INFO] [stdout] 9fb0d50ca9afcdddf6d85ac3e18f3c7af88a922986229750d4136e8cfd1ece9c