[INFO] cloning repository https://github.com/spenserblack/favlist
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/spenserblack/favlist" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspenserblack%2Ffavlist", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspenserblack%2Ffavlist'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d86273d0a972dc451edd8364349c7b7a812d185b
[INFO] checking spenserblack/favlist against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspenserblack%2Ffavlist" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/spenserblack/favlist on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/spenserblack/favlist
[INFO] finished tweaking git repo https://github.com/spenserblack/favlist
[INFO] tweaked toml for git repo https://github.com/spenserblack/favlist written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/spenserblack/favlist 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pretty_assertions v0.6.1
[INFO] [stderr]   Downloaded signal-hook v0.1.16
[INFO] [stderr]   Downloaded ctor v0.1.16
[INFO] [stderr]   Downloaded output_vt100 v0.1.2
[INFO] [stderr]   Downloaded futures-sink v0.3.7
[INFO] [stderr]   Downloaded crossterm_winapi v0.6.2
[INFO] [stderr]   Downloaded futures-channel v0.3.7
[INFO] [stderr]   Downloaded futures-io v0.3.7
[INFO] [stderr]   Downloaded futures-task v0.3.7
[INFO] [stderr]   Downloaded semver v0.10.0
[INFO] [stderr]   Downloaded check-latest v0.4.1
[INFO] [stderr]   Downloaded futures-util v0.3.7
[INFO] [stderr]   Downloaded serde_json v1.0.63
[INFO] [stderr]   Downloaded reqwest v0.10.8
[INFO] [stderr]   Downloaded ahash v0.4.6
[INFO] [stderr]   Downloaded crossterm v0.18.2
[INFO] [stderr]   Downloaded rust-argon2 v0.8.2
[INFO] [stderr]   Downloaded mio v0.7.4
[INFO] [stderr]   Downloaded futures-core v0.3.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b657dbc3b9360e694853f7e9f0fc83eab814e61c42a007198bb1a35644a98a3
[INFO] running `Command { std: "docker" "start" "-a" "2b657dbc3b9360e694853f7e9f0fc83eab814e61c42a007198bb1a35644a98a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b657dbc3b9360e694853f7e9f0fc83eab814e61c42a007198bb1a35644a98a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b657dbc3b9360e694853f7e9f0fc83eab814e61c42a007198bb1a35644a98a3", kill_on_drop: false }`
[INFO] [stdout] 2b657dbc3b9360e694853f7e9f0fc83eab814e61c42a007198bb1a35644a98a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4ab4ee00d576c49cabb1365d858763495bdee2c1da57d8ccd1ac8610c653f4a
[INFO] running `Command { std: "docker" "start" "-a" "e4ab4ee00d576c49cabb1365d858763495bdee2c1da57d8ccd1ac8610c653f4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking instant v0.1.8
[INFO] [stderr]     Checking ahash v0.4.6
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling serde_json v1.0.63
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking aho-corasick v0.7.14
[INFO] [stderr]     Checking hashlink v0.6.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.20.1
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking mio v0.7.4
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking crossterm v0.18.2
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking tui v0.13.0
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking rusqlite v0.24.2
[INFO] [stderr]     Checking favlist v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.30s
[INFO] running `Command { std: "docker" "inspect" "e4ab4ee00d576c49cabb1365d858763495bdee2c1da57d8ccd1ac8610c653f4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4ab4ee00d576c49cabb1365d858763495bdee2c1da57d8ccd1ac8610c653f4a", kill_on_drop: false }`
[INFO] [stdout] e4ab4ee00d576c49cabb1365d858763495bdee2c1da57d8ccd1ac8610c653f4a