[INFO] updating cached repository bsundsrud/observatory
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bsundsrud/observatory
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bsundsrud/observatory" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/bsundsrud/observatory"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/bsundsrud/observatory'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bsundsrud/observatory" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/bsundsrud/observatory"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/bsundsrud/observatory'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f7e635c7a7d463099ec38beb98a5f8a41d8dec50
[INFO] sha for GitHub repo bsundsrud/observatory: f7e635c7a7d463099ec38beb98a5f8a41d8dec50
[INFO] validating manifest of bsundsrud/observatory on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bsundsrud/observatory on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bsundsrud/observatory
[INFO] finished frobbing bsundsrud/observatory
[INFO] frobbed toml for bsundsrud/observatory written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/bsundsrud/observatory/Cargo.toml
[INFO] started frobbing bsundsrud/observatory
[INFO] finished frobbing bsundsrud/observatory
[INFO] frobbed toml for bsundsrud/observatory written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/bsundsrud/observatory/Cargo.toml
[INFO] crate bsundsrud/observatory already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking bsundsrud/observatory against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-7/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/bsundsrud/observatory:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 42f1a9958fdf24649e4be638b6c596a4ff5dafc402c9b47cf085195432566189
[INFO] running `"docker" "start" "-a" "42f1a9958fdf24649e4be638b6c596a4ff5dafc402c9b47cf085195432566189"`
[INFO] [stderr]    Compiling openssl v0.10.18
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]    Compiling serde v1.0.88
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
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[INFO] [stderr] warning: unused imports: `App`, `HttpRequest`, `Responder`
[INFO] [stderr]  --> src/main.rs:8:25
[INFO] [stderr]   |
[INFO] [stderr] 8 | use actix_web::{server, App, HttpRequest, Responder};
[INFO] [stderr]   |                         ^^^  ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/logging/mod.rs:18:26
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn timestamp_fn(io: &mut io::Write) -> io::Result<()> {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `App`, `HttpRequest`, `Responder`
[INFO] [stderr]  --> src/main.rs:8:25
[INFO] [stderr]   |
[INFO] [stderr] 8 | use actix_web::{server, App, HttpRequest, Responder};
[INFO] [stderr]   |                         ^^^  ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/logging/mod.rs:18:26
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn timestamp_fn(io: &mut io::Write) -> io::Result<()> {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/model/mod.rs:80:24
[INFO] [stderr]    |
[INFO] [stderr] 80 |             Some((idx, n)) => idx,
[INFO] [stderr]    |                        ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/model/mod.rs:80:24
[INFO] [stderr]    |
[INFO] [stderr] 80 |             Some((idx, n)) => idx,
[INFO] [stderr]    |                        ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `logger`
[INFO] [stderr]   --> src/api.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     logger: Logger,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `set_global_level`
[INFO] [stderr]   --> src/logging/mod.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn set_global_level(level: Level) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `graph_name`
[INFO] [stderr]    --> src/model/mod.rs:143:1
[INFO] [stderr]     |
[INFO] [stderr] 143 | fn graph_name(name: &str, parent: Option<&str>) -> String {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/model/mod.rs:247:5
[INFO] [stderr]     |
[INFO] [stderr] 247 |     pub fn new(normal: f64, warning: f64, danger: f64) -> Metrics {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `logger`
[INFO] [stderr]   --> src/api.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     logger: Logger,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `graph_name`
[INFO] [stderr]    --> src/model/mod.rs:143:1
[INFO] [stderr]     |
[INFO] [stderr] 143 | fn graph_name(name: &str, parent: Option<&str>) -> String {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/model/mod.rs:247:5
[INFO] [stderr]     |
[INFO] [stderr] 247 |     pub fn new(normal: f64, warning: f64, danger: f64) -> Metrics {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 00s
[INFO] running `"docker" "inspect" "42f1a9958fdf24649e4be638b6c596a4ff5dafc402c9b47cf085195432566189"`
[INFO] running `"docker" "rm" "-f" "42f1a9958fdf24649e4be638b6c596a4ff5dafc402c9b47cf085195432566189"`
[INFO] [stdout] 42f1a9958fdf24649e4be638b6c596a4ff5dafc402c9b47cf085195432566189