[INFO] fetching crate discord-snowflake-info 1.2.1...
[INFO] checking discord-snowflake-info-1.2.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate discord-snowflake-info 1.2.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate discord-snowflake-info 1.2.1 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 crates.io crate discord-snowflake-info 1.2.1
[INFO] finished tweaking crates.io crate discord-snowflake-info 1.2.1
[INFO] tweaked toml for crates.io crate discord-snowflake-info 1.2.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate discord-snowflake-info 1.2.1 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded time v0.1.43
[INFO] [stderr]   Downloaded autocfg v1.0.0
[INFO] [stderr]   Downloaded num-traits v0.2.12
[INFO] [stderr]   Downloaded num-integer v0.1.43
[INFO] [stderr]   Downloaded chrono v0.4.13
[INFO] [stderr]   Downloaded libc v0.2.74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a2c8e3e0496a8e1f0b54373caa50c48b8e4ebe6c6d49a3641a19d6deb2b3cef7
[INFO] running `Command { std: "docker" "start" "-a" "a2c8e3e0496a8e1f0b54373caa50c48b8e4ebe6c6d49a3641a19d6deb2b3cef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2c8e3e0496a8e1f0b54373caa50c48b8e4ebe6c6d49a3641a19d6deb2b3cef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2c8e3e0496a8e1f0b54373caa50c48b8e4ebe6c6d49a3641a19d6deb2b3cef7", kill_on_drop: false }`
[INFO] [stdout] a2c8e3e0496a8e1f0b54373caa50c48b8e4ebe6c6d49a3641a19d6deb2b3cef7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 71424b9c52c1e022b1dac4fdea4d76db18e657b661b5823b0d22c4b0537a23ea
[INFO] running `Command { std: "docker" "start" "-a" "71424b9c52c1e022b1dac4fdea4d76db18e657b661b5823b0d22c4b0537a23ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking discord-snowflake-info v1.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `new_u64` is never used
[INFO] [stdout]  --> src/main.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Snowflake {
[INFO] [stdout]   | -------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 9 |     pub fn new_u64(raw: u64) -> Option<Self> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_u64` is never used
[INFO] [stdout]  --> src/main.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Snowflake {
[INFO] [stdout]   | -------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 9 |     pub fn new_u64(raw: u64) -> Option<Self> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.25s
[INFO] running `Command { std: "docker" "inspect" "71424b9c52c1e022b1dac4fdea4d76db18e657b661b5823b0d22c4b0537a23ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71424b9c52c1e022b1dac4fdea4d76db18e657b661b5823b0d22c4b0537a23ea", kill_on_drop: false }`
[INFO] [stdout] 71424b9c52c1e022b1dac4fdea4d76db18e657b661b5823b0d22c4b0537a23ea
[INFO] checking discord-snowflake-info-1.2.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate discord-snowflake-info 1.2.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate discord-snowflake-info 1.2.1 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 crates.io crate discord-snowflake-info 1.2.1
[INFO] finished tweaking crates.io crate discord-snowflake-info 1.2.1
[INFO] tweaked toml for crates.io crate discord-snowflake-info 1.2.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate discord-snowflake-info 1.2.1 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e7c7b4dbc48ad34d71fa102dcd8554b0ce2a26308b6a5b91c75eac2aadbec4aa
[INFO] running `Command { std: "docker" "start" "-a" "e7c7b4dbc48ad34d71fa102dcd8554b0ce2a26308b6a5b91c75eac2aadbec4aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7c7b4dbc48ad34d71fa102dcd8554b0ce2a26308b6a5b91c75eac2aadbec4aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7c7b4dbc48ad34d71fa102dcd8554b0ce2a26308b6a5b91c75eac2aadbec4aa", kill_on_drop: false }`
[INFO] [stdout] e7c7b4dbc48ad34d71fa102dcd8554b0ce2a26308b6a5b91c75eac2aadbec4aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5bdafa87c3e7fa9aa82bdefee1ff21cd9021647f08222ce1761c9da94924b70d
[INFO] running `Command { std: "docker" "start" "-a" "5bdafa87c3e7fa9aa82bdefee1ff21cd9021647f08222ce1761c9da94924b70d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking discord-snowflake-info v1.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `new_u64` is never used
[INFO] [stdout]  --> src/main.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Snowflake {
[INFO] [stdout]   | -------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 9 |     pub fn new_u64(raw: u64) -> Option<Self> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_u64` is never used
[INFO] [stdout]  --> src/main.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Snowflake {
[INFO] [stdout]   | -------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 9 |     pub fn new_u64(raw: u64) -> Option<Self> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.78s
[INFO] running `Command { std: "docker" "inspect" "5bdafa87c3e7fa9aa82bdefee1ff21cd9021647f08222ce1761c9da94924b70d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bdafa87c3e7fa9aa82bdefee1ff21cd9021647f08222ce1761c9da94924b70d", kill_on_drop: false }`
[INFO] [stdout] 5bdafa87c3e7fa9aa82bdefee1ff21cd9021647f08222ce1761c9da94924b70d