[INFO] fetching crate cepler 0.7.15...
[INFO] checking cepler-0.7.15 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate cepler 0.7.15 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate cepler 0.7.15 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate cepler 0.7.15
[INFO] finished tweaking crates.io crate cepler 0.7.15
[INFO] tweaked toml for crates.io crate cepler 0.7.15 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate cepler 0.7.15 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 043c06032a929b806714857d02824ce8ed3fa5243c8b85b2b9e4b48ae5d8832c
[INFO] running `Command { std: "docker" "start" "-a" "043c06032a929b806714857d02824ce8ed3fa5243c8b85b2b9e4b48ae5d8832c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "043c06032a929b806714857d02824ce8ed3fa5243c8b85b2b9e4b48ae5d8832c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "043c06032a929b806714857d02824ce8ed3fa5243c8b85b2b9e4b48ae5d8832c", kill_on_drop: false }`
[INFO] [stdout] 043c06032a929b806714857d02824ce8ed3fa5243c8b85b2b9e4b48ae5d8832c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 210a2f56067846687a2ebea905c0a907df176215f47a133209a55ec33b06ea51
[INFO] running `Command { std: "docker" "start" "-a" "210a2f56067846687a2ebea905c0a907df176215f47a133209a55ec33b06ea51", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]    Compiling anyhow v1.0.64
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]     Checking indexmap v1.9.1
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking stringreader v0.1.1
[INFO] [stderr]     Checking unicode-normalization v0.1.21
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling openssl-src v111.22.0+1.1.1q
[INFO] [stderr]    Compiling openssl-sys v0.9.75
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling libgit2-sys v0.12.26+1.3.0
[INFO] [stderr]     Checking url v2.3.0
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking git2 v0.13.25
[INFO] [stderr]     Checking cepler v0.7.15 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `uri`, `branch`, and `private_key` are never read
[INFO] [stdout]    --> src/config.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub struct RepoConfig {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 122 |     pub uri: String,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 123 |     pub branch: String,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 124 |     pub private_key: String,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RepoConfig` 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 `uri`, `branch`, and `private_key` are never read
[INFO] [stdout]    --> src/config.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub struct RepoConfig {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 122 |     pub uri: String,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 123 |     pub branch: String,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 124 |     pub private_key: String,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RepoConfig` 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.39s
[INFO] running `Command { std: "docker" "inspect" "210a2f56067846687a2ebea905c0a907df176215f47a133209a55ec33b06ea51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "210a2f56067846687a2ebea905c0a907df176215f47a133209a55ec33b06ea51", kill_on_drop: false }`
[INFO] [stdout] 210a2f56067846687a2ebea905c0a907df176215f47a133209a55ec33b06ea51