[INFO] fetching crate cnccoder 0.2.0...
[INFO] checking cnccoder-0.2.0 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate cnccoder 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate cnccoder 0.2.0
[INFO] finished tweaking crates.io crate cnccoder 0.2.0
[INFO] tweaked toml for crates.io crate cnccoder 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cnccoder 0.2.0 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cnccoder 0.2.0 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded advapi32-sys v0.2.0
[INFO] [stderr]   Downloaded hostname v0.4.0
[INFO] [stderr]   Downloaded embed-doc-image v0.1.4
[INFO] [stderr]   Downloaded moby-name-gen v0.1.0
[INFO] [stderr]   Downloaded username v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26773a459feb6377605dfa2f196ca2a10cfd472237fdb0968bdd7b035ad7eb4c
[INFO] running `Command { std: "docker" "start" "-a" "26773a459feb6377605dfa2f196ca2a10cfd472237fdb0968bdd7b035ad7eb4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26773a459feb6377605dfa2f196ca2a10cfd472237fdb0968bdd7b035ad7eb4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26773a459feb6377605dfa2f196ca2a10cfd472237fdb0968bdd7b035ad7eb4c", kill_on_drop: false }`
[INFO] [stdout] 26773a459feb6377605dfa2f196ca2a10cfd472237fdb0968bdd7b035ad7eb4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a69ff93ff40f016055c4d66d684093c8784683fb89db73eb7674aec67d2061c
[INFO] running `Command { std: "docker" "start" "-a" "0a69ff93ff40f016055c4d66d684093c8784683fb89db73eb7674aec67d2061c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]     Checking username v0.2.0
[INFO] [stderr]    Compiling syn v2.0.50
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking hostname v0.4.0
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking moby-name-gen v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.190
[INFO] [stderr]    Compiling embed-doc-image v0.1.4
[INFO] [stderr]     Checking cnccoder v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/program.rs:537:20
[INFO] [stdout]     |
[INFO] [stdout] 537 |     pub fn context(&mut self, tool: Tool) -> Context {
[INFO] [stdout]     |                    ^^^^^^^^^                 ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 537 |     pub fn context(&mut self, tool: Tool) -> Context<'_> {
[INFO] [stdout]     |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/program.rs:537:20
[INFO] [stdout]     |
[INFO] [stdout] 537 |     pub fn context(&mut self, tool: Tool) -> Context {
[INFO] [stdout]     |                    ^^^^^^^^^                 ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 537 |     pub fn context(&mut self, tool: Tool) -> Context<'_> {
[INFO] [stdout]     |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.13s
[INFO] running `Command { std: "docker" "inspect" "0a69ff93ff40f016055c4d66d684093c8784683fb89db73eb7674aec67d2061c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a69ff93ff40f016055c4d66d684093c8784683fb89db73eb7674aec67d2061c", kill_on_drop: false }`
[INFO] [stdout] 0a69ff93ff40f016055c4d66d684093c8784683fb89db73eb7674aec67d2061c