[INFO] fetching crate smt2parser 0.6.1...
[INFO] checking smt2parser-0.6.1 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate smt2parser 0.6.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate smt2parser 0.6.1
[INFO] finished tweaking crates.io crate smt2parser 0.6.1
[INFO] tweaked toml for crates.io crate smt2parser 0.6.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate smt2parser 0.6.1 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 smt2parser 0.6.1 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 permutation_iterator v0.1.2
[INFO] [stderr]   Downloaded pomelo v0.1.5
[INFO] [stderr]   Downloaded pomelo-impl v0.1.5
[INFO] [stderr]   Downloaded fst v0.4.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f60a61a1864e668fd6049c176786874cf88d23f655308724c1c2cc269f1cf971
[INFO] running `Command { std: "docker" "start" "-a" "f60a61a1864e668fd6049c176786874cf88d23f655308724c1c2cc269f1cf971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f60a61a1864e668fd6049c176786874cf88d23f655308724c1c2cc269f1cf971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f60a61a1864e668fd6049c176786874cf88d23f655308724c1c2cc269f1cf971", kill_on_drop: false }`
[INFO] [stdout] f60a61a1864e668fd6049c176786874cf88d23f655308724c1c2cc269f1cf971
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c476bdaeab4117b53136eeac4811c7a39aa50dc7927f3dbd9d185da4000791d5
[INFO] running `Command { std: "docker" "start" "-a" "c476bdaeab4117b53136eeac4811c7a39aa50dc7927f3dbd9d185da4000791d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling fst v0.4.7
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking permutation_iterator v0.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]    Compiling pomelo-impl v0.1.5
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking structopt v0.3.23
[INFO] [stderr]     Checking strum v0.21.0
[INFO] [stderr]     Checking pomelo v0.1.5
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking smt2parser v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> src/renaming.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct SymbolNormalizer<V> {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 66 |     config: SymbolNormalizerConfig,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SymbolNormalizer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> src/renaming.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct SymbolNormalizer<V> {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 66 |     config: SymbolNormalizerConfig,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SymbolNormalizer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.78s
[INFO] running `Command { std: "docker" "inspect" "c476bdaeab4117b53136eeac4811c7a39aa50dc7927f3dbd9d185da4000791d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c476bdaeab4117b53136eeac4811c7a39aa50dc7927f3dbd9d185da4000791d5", kill_on_drop: false }`
[INFO] [stdout] c476bdaeab4117b53136eeac4811c7a39aa50dc7927f3dbd9d185da4000791d5