[INFO] cloning repository https://github.com/oberien/rebo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oberien/rebo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foberien%2Frebo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foberien%2Frebo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 82364d9e9e8508a80ea6d2448f364c0b009daa4e
[INFO] checking oberien/rebo against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foberien%2Frebo" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oberien/rebo on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/oberien/rebo
[INFO] finished tweaking git repo https://github.com/oberien/rebo
[INFO] tweaked toml for git repo https://github.com/oberien/rebo written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/oberien/rebo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/oberien/diagnostic`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded appendlist v1.4.0
[INFO] [stderr]   Downloaded any_ascii v0.1.7
[INFO] [stderr]   Downloaded lexical-sort v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e04272ce90955ee966ef0605808231cab65a0ab43f421baa3b9fa04855c5db27
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e04272ce90955ee966ef0605808231cab65a0ab43f421baa3b9fa04855c5db27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e04272ce90955ee966ef0605808231cab65a0ab43f421baa3b9fa04855c5db27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e04272ce90955ee966ef0605808231cab65a0ab43f421baa3b9fa04855c5db27", kill_on_drop: false }`
[INFO] [stdout] e04272ce90955ee966ef0605808231cab65a0ab43f421baa3b9fa04855c5db27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fcef34d746bc6228dc0001de97e7f9e6a5530fad52d6c5cbd9c2f4a9fe4caee
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6fcef34d746bc6228dc0001de97e7f9e6a5530fad52d6c5cbd9c2f4a9fe4caee", 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] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking appendlist v1.4.0
[INFO] [stderr]     Checking any_ascii v0.1.7
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking miniz_oxide v0.4.1
[INFO] [stderr]     Checking codespan-reporting v0.9.5
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking proc-macro2 v1.0.27
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking lexical-sort v0.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking diagnostic v0.1.0 (https://github.com/oberien/diagnostic?rev=c2f88cd#c2f88cd6)
[INFO] [stderr]     Checking lexical v5.2.2
[INFO] [stderr]     Checking rebo_derive v0.1.0 (/opt/rustwide/workdir/rebo_derive)
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling derive_more v0.99.14
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking rebo v0.1.0 (/opt/rustwide/workdir/rebo)
[INFO] [stdout] warning: associated function is never used: `consume_until`
[INFO] [stdout]    --> rebo/src/parser/mod.rs:309:8
[INFO] [stdout]     |
[INFO] [stdout] 309 |     fn consume_until(&mut self, until: &[TokenType]) -> Consumed<'i> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Consumed`
[INFO] [stdout]    --> rebo/src/parser/mod.rs:347:6
[INFO] [stdout]     |
[INFO] [stdout] 347 | enum Consumed<'i> {
[INFO] [stdout]     |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `consume_until`
[INFO] [stdout]    --> rebo/src/parser/mod.rs:309:8
[INFO] [stdout]     |
[INFO] [stdout] 309 |     fn consume_until(&mut self, until: &[TokenType]) -> Consumed<'i> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Consumed`
[INFO] [stdout]    --> rebo/src/parser/mod.rs:347:6
[INFO] [stdout]     |
[INFO] [stdout] 347 | enum Consumed<'i> {
[INFO] [stdout]     |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.19s
[INFO] running `Command { std: "docker" "inspect" "6fcef34d746bc6228dc0001de97e7f9e6a5530fad52d6c5cbd9c2f4a9fe4caee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fcef34d746bc6228dc0001de97e7f9e6a5530fad52d6c5cbd9c2f4a9fe4caee", kill_on_drop: false }`
[INFO] [stdout] 6fcef34d746bc6228dc0001de97e7f9e6a5530fad52d6c5cbd9c2f4a9fe4caee