[INFO] updating cached repository https://github.com/devcat-studio/kailua
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 323caab59c06230af7ee22835a681064de0ab165
[INFO] checking devcat-studio/kailua against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevcat-studio%2Fkailua" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/devcat-studio/kailua on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/devcat-studio/kailua
[INFO] removed workspace from git repo https://github.com/devcat-studio/kailua
[INFO] removed path dependency kailua_check from git repo https://github.com/devcat-studio/kailua
[INFO] removed path dependency kailua_diag from git repo https://github.com/devcat-studio/kailua
[INFO] removed path dependency kailua_env from git repo https://github.com/devcat-studio/kailua
[INFO] removed path dependency kailua_langsvr from git repo https://github.com/devcat-studio/kailua
[INFO] removed path dependency kailua_syntax from git repo https://github.com/devcat-studio/kailua
[INFO] removed path dependency kailua_workspace from git repo https://github.com/devcat-studio/kailua
[INFO] finished tweaking git repo https://github.com/devcat-studio/kailua
[INFO] tweaked toml for git repo https://github.com/devcat-studio/kailua written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/devcat-studio/kailua already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5296da5dccfd864b06ffe9640609faf099f0a91375bdc080da41d13eedf5c36d
[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" "5296da5dccfd864b06ffe9640609faf099f0a91375bdc080da41d13eedf5c36d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5296da5dccfd864b06ffe9640609faf099f0a91375bdc080da41d13eedf5c36d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5296da5dccfd864b06ffe9640609faf099f0a91375bdc080da41d13eedf5c36d", kill_on_drop: false }`
[INFO] [stdout] 5296da5dccfd864b06ffe9640609faf099f0a91375bdc080da41d13eedf5c36d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5f000982b0d578776b3672833747402c18b94f4cbb9945831eed809d19b38979
[INFO] running `Command { std: "docker" "start" "-a" "5f000982b0d578776b3672833747402c18b94f4cbb9945831eed809d19b38979", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking parse-generics-shim v0.1.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking kailua_env v1.0.4
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]     Checking vec_map v0.7.0
[INFO] [stderr]     Checking atomic v0.3.4
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking take_mut v0.1.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking same-file v0.1.3
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking owning_ref v0.2.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking walkdir v1.0.7
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking kailua_diag v1.0.4
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking kailua_syntax v1.1.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking kailua_types v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking kailua_check v1.1.0
[INFO] [stderr]     Checking kailua_workspace v1.1.0
[INFO] [stderr]     Checking kailua_langsvr_protocol v1.0.5
[INFO] [stderr]     Checking kailua_langsvr v1.1.0
[INFO] [stderr]     Checking kailua v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]   --> src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     use std::str;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `io` is imported redundantly
[INFO] [stdout]   --> src/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::io;
[INFO] [stdout]    |     ------- the item `io` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 19 |     use std::io;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Path` is imported redundantly
[INFO] [stdout]   --> src/main.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::path::Path;
[INFO] [stdout]    |     --------------- the item `Path` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 22 |     use std::path::Path;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:39:37
[INFO] [stdout]    |
[INFO] [stdout] 39 | ...                   report: &Report) -> Result<Option<Chunk>, Option<Stop>> {
[INFO] [stdout]    |                                ^^^^^^ help: use `dyn`: `dyn Report`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:70:58
[INFO] [stdout]    |
[INFO] [stdout] 70 |         fn add_span(&self, kind: Kind, span: Span, msg: &Localize) -> kailua_diag::Result<()> {
[INFO] [stdout]    |                                                          ^^^^^^^^ help: use `dyn`: `dyn Localize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Workspace` is imported redundantly
[INFO] [stdout]    --> src/main.rs:195:36
[INFO] [stdout]     |
[INFO] [stdout] 15  | use kailua_workspace::Workspace;
[INFO] [stdout]     |     --------------------------- the item `Workspace` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 195 |     use kailua_workspace::{Config, Workspace};
[INFO] [stdout]     |                                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]   --> src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     use std::str;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `io` is imported redundantly
[INFO] [stdout]   --> src/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::io;
[INFO] [stdout]    |     ------- the item `io` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 19 |     use std::io;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Path` is imported redundantly
[INFO] [stdout]   --> src/main.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::path::Path;
[INFO] [stdout]    |     --------------- the item `Path` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 22 |     use std::path::Path;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:39:37
[INFO] [stdout]    |
[INFO] [stdout] 39 | ...                   report: &Report) -> Result<Option<Chunk>, Option<Stop>> {
[INFO] [stdout]    |                                ^^^^^^ help: use `dyn`: `dyn Report`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:70:58
[INFO] [stdout]    |
[INFO] [stdout] 70 |         fn add_span(&self, kind: Kind, span: Span, msg: &Localize) -> kailua_diag::Result<()> {
[INFO] [stdout]    |                                                          ^^^^^^^^ help: use `dyn`: `dyn Localize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Workspace` is imported redundantly
[INFO] [stdout]    --> src/main.rs:195:36
[INFO] [stdout]     |
[INFO] [stdout] 15  | use kailua_workspace::Workspace;
[INFO] [stdout]     |     --------------------------- the item `Workspace` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 195 |     use kailua_workspace::{Config, Workspace};
[INFO] [stdout]     |                                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.67s
[INFO] running `Command { std: "docker" "inspect" "5f000982b0d578776b3672833747402c18b94f4cbb9945831eed809d19b38979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f000982b0d578776b3672833747402c18b94f4cbb9945831eed809d19b38979", kill_on_drop: false }`
[INFO] [stdout] 5f000982b0d578776b3672833747402c18b94f4cbb9945831eed809d19b38979