[INFO] fetching crate slmp_client 0.2.1...
[INFO] checking slmp_client-0.2.1 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate slmp_client 0.2.1 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate slmp_client 0.2.1 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slmp_client 0.2.1
[INFO] finished tweaking crates.io crate slmp_client 0.2.1
[INFO] tweaked toml for crates.io crate slmp_client 0.2.1 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c327d454f8a0dc7a2e46782fb52650d24dded360b9a932383642dd9387e413ed
[INFO] running `Command { std: "docker" "start" "-a" "c327d454f8a0dc7a2e46782fb52650d24dded360b9a932383642dd9387e413ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c327d454f8a0dc7a2e46782fb52650d24dded360b9a932383642dd9387e413ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c327d454f8a0dc7a2e46782fb52650d24dded360b9a932383642dd9387e413ed", kill_on_drop: false }`
[INFO] [stdout] c327d454f8a0dc7a2e46782fb52650d24dded360b9a932383642dd9387e413ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c4c2365a61ad744150c79e235cd810b6266ac48f28328bb5b30de853d5c5ea4
[INFO] running `Command { std: "docker" "start" "-a" "5c4c2365a61ad744150c79e235cd810b6266ac48f28328bb5b30de853d5c5ea4", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking slmp_client v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `from`
[INFO] [stdout]   --> src/structs/headers.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn from(buf: [u8; 9]) -> SlmpSubHeaderReq {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `SlmpSubHeaderOd`
[INFO] [stdout]    --> src/structs/headers.rs:116:12
[INFO] [stdout]     |
[INFO] [stdout] 116 | pub struct SlmpSubHeaderOd {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from`
[INFO] [stdout]    --> src/structs/headers.rs:135:12
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn from(buf: &[u8]) -> SlmpSubHeaderOd {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from`
[INFO] [stdout]   --> src/structs/headers.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn from(buf: [u8; 9]) -> SlmpSubHeaderReq {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `SlmpSubHeaderOd`
[INFO] [stdout]    --> src/structs/headers.rs:116:12
[INFO] [stdout]     |
[INFO] [stdout] 116 | pub struct SlmpSubHeaderOd {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from`
[INFO] [stdout]    --> src/structs/headers.rs:135:12
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn from(buf: &[u8]) -> SlmpSubHeaderOd {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.26s
[INFO] running `Command { std: "docker" "inspect" "5c4c2365a61ad744150c79e235cd810b6266ac48f28328bb5b30de853d5c5ea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c4c2365a61ad744150c79e235cd810b6266ac48f28328bb5b30de853d5c5ea4", kill_on_drop: false }`
[INFO] [stdout] 5c4c2365a61ad744150c79e235cd810b6266ac48f28328bb5b30de853d5c5ea4