[INFO] cloning repository https://github.com/dgmcdona/carapace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dgmcdona/carapace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgmcdona%2Fcarapace", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgmcdona%2Fcarapace'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74bba4b1a2b0d9876cf657d6c68273a0136e61db
[INFO] checking dgmcdona/carapace against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgmcdona%2Fcarapace" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dgmcdona/carapace 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/dgmcdona/carapace
[INFO] finished tweaking git repo https://github.com/dgmcdona/carapace
[INFO] tweaked toml for git repo https://github.com/dgmcdona/carapace written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dgmcdona/carapace 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 tokio v0.2.21
[INFO] [stderr]   Downloaded cc v1.0.56
[INFO] [stderr]   Downloaded generator v0.6.21
[INFO] [stderr]   Downloaded loom v0.3.4
[INFO] [stderr]   Downloaded bytes v0.5.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 58494a4ba1cbaff628bcbe3ea3a566932738cbcb6bbbb5479f5f6bcaa070abe8
[INFO] running `Command { std: "docker" "start" "-a" "58494a4ba1cbaff628bcbe3ea3a566932738cbcb6bbbb5479f5f6bcaa070abe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58494a4ba1cbaff628bcbe3ea3a566932738cbcb6bbbb5479f5f6bcaa070abe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58494a4ba1cbaff628bcbe3ea3a566932738cbcb6bbbb5479f5f6bcaa070abe8", kill_on_drop: false }`
[INFO] [stdout] 58494a4ba1cbaff628bcbe3ea3a566932738cbcb6bbbb5479f5f6bcaa070abe8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4a5e331405c2ae2e21ce136a3f21e994a4c190f9ec803da59a3b2f76628b59b0
[INFO] running `Command { std: "docker" "start" "-a" "4a5e331405c2ae2e21ce136a3f21e994a4c190f9ec803da59a3b2f76628b59b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking bytes v0.5.5
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-signal v0.2.9
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking carapace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Stopped` and `Terminated` are never constructed
[INFO] [stdout]   --> src/jobs/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum State {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] 12 |     Running,
[INFO] [stdout] 13 |     Stopped,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 14 |     Terminated,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `State` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Stopped` and `Terminated` are never constructed
[INFO] [stdout]   --> src/jobs/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum State {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] 12 |     Running,
[INFO] [stdout] 13 |     Stopped,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 14 |     Terminated,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `State` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `jobtype` and `child_handle` are never read
[INFO] [stdout]   --> src/jobs/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Job {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 18 |     command: CommandType,
[INFO] [stdout] 19 |     jobtype: JobType,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 20 |     child_handle: Child,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_command_type`, `get_job_type`, and `get_child_handle` are never used
[INFO] [stdout]   --> src/jobs/mod.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Job {
[INFO] [stdout]    | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn get_command_type(&self) -> &CommandType {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn get_job_type(&self) -> &JobType {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn get_child_handle(&self) -> &Child {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `list_jobs` is never used
[INFO] [stdout]    --> src/jobs/mod.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout] 69  | impl JobList {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 109 |     pub fn list_jobs(&self) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `jobtype` and `child_handle` are never read
[INFO] [stdout]   --> src/jobs/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Job {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 18 |     command: CommandType,
[INFO] [stdout] 19 |     jobtype: JobType,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 20 |     child_handle: Child,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_command_type`, `get_job_type`, and `get_child_handle` are never used
[INFO] [stdout]   --> src/jobs/mod.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Job {
[INFO] [stdout]    | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn get_command_type(&self) -> &CommandType {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn get_job_type(&self) -> &JobType {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn get_child_handle(&self) -> &Child {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `list_jobs` is never used
[INFO] [stdout]    --> src/jobs/mod.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout] 69  | impl JobList {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 109 |     pub fn list_jobs(&self) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.36s
[INFO] running `Command { std: "docker" "inspect" "4a5e331405c2ae2e21ce136a3f21e994a4c190f9ec803da59a3b2f76628b59b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a5e331405c2ae2e21ce136a3f21e994a4c190f9ec803da59a3b2f76628b59b0", kill_on_drop: false }`
[INFO] [stdout] 4a5e331405c2ae2e21ce136a3f21e994a4c190f9ec803da59a3b2f76628b59b0