[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 try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgmcdona%2Fcarapace" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dgmcdona/carapace on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-3/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: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-signal v0.2.9
[INFO] [stderr]   Downloaded cc v1.0.56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 563e4c01a1dcc06e63b82324ed8b587ce06e9891920f34cdd2c9beaddd23e261
[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" "563e4c01a1dcc06e63b82324ed8b587ce06e9891920f34cdd2c9beaddd23e261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "563e4c01a1dcc06e63b82324ed8b587ce06e9891920f34cdd2c9beaddd23e261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "563e4c01a1dcc06e63b82324ed8b587ce06e9891920f34cdd2c9beaddd23e261", kill_on_drop: false }`
[INFO] [stdout] 563e4c01a1dcc06e63b82324ed8b587ce06e9891920f34cdd2c9beaddd23e261
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bde9d4f593a60f8c481f5f9b2dc54b876ef962ba0f980cc74584dde93606915e
[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" "bde9d4f593a60f8c481f5f9b2dc54b876ef962ba0f980cc74584dde93606915e", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   tokio v0.2.21: winapi
[INFO] [stderr] 
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking bytes v0.5.5
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[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 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stdout] warning: variant is never constructed: `Stopped`
[INFO] [stdout]   --> src/jobs/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Stopped,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Terminated`
[INFO] [stdout]   --> src/jobs/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Terminated,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `jobtype`
[INFO] [stdout]   --> src/jobs/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     jobtype: JobType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `child_handle`
[INFO] [stdout]   --> src/jobs/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     child_handle: Child,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_command_type`
[INFO] [stdout]   --> src/jobs/mod.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn get_command_type(&self) -> &CommandType {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_job_type`
[INFO] [stdout]   --> src/jobs/mod.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn get_job_type(&self) -> &JobType {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_child_handle`
[INFO] [stdout]   --> src/jobs/mod.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn get_child_handle(&self) -> &Child {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `list_jobs`
[INFO] [stdout]    --> src/jobs/mod.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub fn list_jobs(&self) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Stopped`
[INFO] [stdout]   --> src/jobs/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Stopped,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Terminated`
[INFO] [stdout]   --> src/jobs/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Terminated,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `jobtype`
[INFO] [stdout]   --> src/jobs/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     jobtype: JobType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `child_handle`
[INFO] [stdout]   --> src/jobs/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     child_handle: Child,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_command_type`
[INFO] [stdout]   --> src/jobs/mod.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn get_command_type(&self) -> &CommandType {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_job_type`
[INFO] [stdout]   --> src/jobs/mod.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn get_job_type(&self) -> &JobType {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_child_handle`
[INFO] [stdout]   --> src/jobs/mod.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn get_child_handle(&self) -> &Child {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `list_jobs`
[INFO] [stdout]    --> src/jobs/mod.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub fn list_jobs(&self) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.31s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking carapace v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: variant is never constructed: `Stopped`
[INFO] [stdout]   --> src/jobs/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Stopped,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Terminated`
[INFO] [stdout]   --> src/jobs/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Terminated,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `jobtype`
[INFO] [stdout]   --> src/jobs/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     jobtype: JobType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `child_handle`
[INFO] [stdout]   --> src/jobs/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     child_handle: Child,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_command_type`
[INFO] [stdout]   --> src/jobs/mod.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn get_command_type(&self) -> &CommandType {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_job_type`
[INFO] [stdout]   --> src/jobs/mod.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn get_job_type(&self) -> &JobType {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_child_handle`
[INFO] [stdout]   --> src/jobs/mod.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn get_child_handle(&self) -> &Child {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `list_jobs`
[INFO] [stdout]    --> src/jobs/mod.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub fn list_jobs(&self) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Stopped`
[INFO] [stdout]   --> src/jobs/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Stopped,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Terminated`
[INFO] [stdout]   --> src/jobs/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Terminated,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `jobtype`
[INFO] [stdout]   --> src/jobs/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     jobtype: JobType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `child_handle`
[INFO] [stdout]   --> src/jobs/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     child_handle: Child,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_command_type`
[INFO] [stdout]   --> src/jobs/mod.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn get_command_type(&self) -> &CommandType {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_job_type`
[INFO] [stdout]   --> src/jobs/mod.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn get_job_type(&self) -> &JobType {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_child_handle`
[INFO] [stdout]   --> src/jobs/mod.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn get_child_handle(&self) -> &Child {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `list_jobs`
[INFO] [stdout]    --> src/jobs/mod.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub fn list_jobs(&self) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.27s
[INFO] running `Command { std: "docker" "inspect" "bde9d4f593a60f8c481f5f9b2dc54b876ef962ba0f980cc74584dde93606915e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bde9d4f593a60f8c481f5f9b2dc54b876ef962ba0f980cc74584dde93606915e", kill_on_drop: false }`
[INFO] [stdout] bde9d4f593a60f8c481f5f9b2dc54b876ef962ba0f980cc74584dde93606915e