[INFO] cloning repository https://github.com/dsiher/rusty_ticketer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dsiher/rusty_ticketer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdsiher%2Frusty_ticketer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdsiher%2Frusty_ticketer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 70bbdb3a7379b5212edb6b7dfbd96cb7c7ce9646
[INFO] checking dsiher/rusty_ticketer against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdsiher%2Frusty_ticketer" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dsiher/rusty_ticketer 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/dsiher/rusty_ticketer
[INFO] finished tweaking git repo https://github.com/dsiher/rusty_ticketer
[INFO] tweaked toml for git repo https://github.com/dsiher/rusty_ticketer written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dsiher/rusty_ticketer 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 tui v0.16.0
[INFO] [stderr]   Downloaded signal-hook v0.3.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 8ad88413070e3dc1951157bea8f6537afaabb16a64f3edf61cf5d565e9b741c8
[INFO] running `Command { std: "docker" "start" "-a" "8ad88413070e3dc1951157bea8f6537afaabb16a64f3edf61cf5d565e9b741c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ad88413070e3dc1951157bea8f6537afaabb16a64f3edf61cf5d565e9b741c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ad88413070e3dc1951157bea8f6537afaabb16a64f3edf61cf5d565e9b741c8", kill_on_drop: false }`
[INFO] [stdout] 8ad88413070e3dc1951157bea8f6537afaabb16a64f3edf61cf5d565e9b741c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f389c7c7bd0a39d5fc7bfa9639065e4c772da32abc456eb8fb8196a4a6ec2475
[INFO] running `Command { std: "docker" "start" "-a" "f389c7c7bd0a39d5fc7bfa9639065e4c772da32abc456eb8fb8196a4a6ec2475", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking crossterm v0.20.0
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking tui v0.16.0
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking hyper v0.14.11
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.4
[INFO] [stderr]     Checking rusty_ticketer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.13s
[INFO] running `Command { std: "docker" "inspect" "f389c7c7bd0a39d5fc7bfa9639065e4c772da32abc456eb8fb8196a4a6ec2475", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f389c7c7bd0a39d5fc7bfa9639065e4c772da32abc456eb8fb8196a4a6ec2475", kill_on_drop: false }`
[INFO] [stdout] f389c7c7bd0a39d5fc7bfa9639065e4c772da32abc456eb8fb8196a4a6ec2475
[INFO] checking dsiher/rusty_ticketer against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdsiher%2Frusty_ticketer" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dsiher/rusty_ticketer 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/dsiher/rusty_ticketer
[INFO] finished tweaking git repo https://github.com/dsiher/rusty_ticketer
[INFO] tweaked toml for git repo https://github.com/dsiher/rusty_ticketer written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dsiher/rusty_ticketer 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e31bc229c94208f75e45e5a93a1671ff157cdf4dad70d8eb9fa51fc62e57ae1e
[INFO] running `Command { std: "docker" "start" "-a" "e31bc229c94208f75e45e5a93a1671ff157cdf4dad70d8eb9fa51fc62e57ae1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e31bc229c94208f75e45e5a93a1671ff157cdf4dad70d8eb9fa51fc62e57ae1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e31bc229c94208f75e45e5a93a1671ff157cdf4dad70d8eb9fa51fc62e57ae1e", kill_on_drop: false }`
[INFO] [stdout] e31bc229c94208f75e45e5a93a1671ff157cdf4dad70d8eb9fa51fc62e57ae1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] de24dfac06d4dbab66441e6120fb0c758d9426b65f48a1b08dc6818cf8b4f82a
[INFO] running `Command { std: "docker" "start" "-a" "de24dfac06d4dbab66441e6120fb0c758d9426b65f48a1b08dc6818cf8b4f82a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking signal-hook-mio v0.2.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking crossterm v0.20.0
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking tui v0.16.0
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking hyper v0.14.11
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.4
[INFO] [stderr]     Checking rusty_ticketer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.58s
[INFO] running `Command { std: "docker" "inspect" "de24dfac06d4dbab66441e6120fb0c758d9426b65f48a1b08dc6818cf8b4f82a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de24dfac06d4dbab66441e6120fb0c758d9426b65f48a1b08dc6818cf8b4f82a", kill_on_drop: false }`
[INFO] [stdout] de24dfac06d4dbab66441e6120fb0c758d9426b65f48a1b08dc6818cf8b4f82a