[INFO] fetching crate ledge 0.1.0...
[INFO] checking ledge-0.1.0 against try#09eeb2bacb9b40b2ed1d47f03177442c0632cda1 for pr-157710
[INFO] extracting crate ledge 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate ledge 0.1.0
[INFO] finished tweaking crates.io crate ledge 0.1.0
[INFO] tweaked toml for crates.io crate ledge 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ledge 0.1.0 on toolchain 09eeb2bacb9b40b2ed1d47f03177442c0632cda1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09eeb2bacb9b40b2ed1d47f03177442c0632cda1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09eeb2bacb9b40b2ed1d47f03177442c0632cda1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 116 packages to latest compatible versions
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.6.1)
[INFO] [stderr]       Adding dirs v1.0.5 (available: v6.0.0)
[INFO] [stderr]       Adding dotenv v0.13.0 (available: v0.15.0)
[INFO] [stderr]       Adding serde_yaml v0.8.26 (available: v0.9.34+deprecated)
[INFO] [stderr]       Adding toml v0.4.10 (available: v1.1.2+spec-1.1.0)
[INFO] [stderr]       Adding url v1.7.2 (available: v2.5.8)
[INFO] [stderr]       Adding uuid v0.7.4 (available: v1.23.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09eeb2bacb9b40b2ed1d47f03177442c0632cda1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e6a92f2a2782b8ac09c361d3a708c4f04c0545e11d9c2837dbd15fd21b14745e
[INFO] running `Command { std: "docker" "start" "e6a92f2a2782b8ac09c361d3a708c4f04c0545e11d9c2837dbd15fd21b14745e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e6a92f2a2782b8ac09c361d3a708c4f04c0545e11d9c2837dbd15fd21b14745e" "/opt/rustwide/cargo-home/bin/cargo" "+09eeb2bacb9b40b2ed1d47f03177442c0632cda1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6a92f2a2782b8ac09c361d3a708c4f04c0545e11d9c2837dbd15fd21b14745e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e6a92f2a2782b8ac09c361d3a708c4f04c0545e11d9c2837dbd15fd21b14745e" "/opt/rustwide/cargo-home/bin/cargo" "+09eeb2bacb9b40b2ed1d47f03177442c0632cda1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking regex-syntax v0.8.11
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking chrono v0.4.45
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking regex v1.12.4
[INFO] [stderr]     Checking dotenv v0.13.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking ledge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::ledger::*`
[INFO] [stdout]  --> src/core.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use self::ledger::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::ledger::*`
[INFO] [stdout]  --> src/core.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use self::ledger::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LedgerId` is never constructed
[INFO] [stdout]  --> src/core/ledger.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct LedgerId(Uuid);
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `value` are never used
[INFO] [stdout]   --> src/core/ledger.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl LedgerId {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout]  8 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub fn value(&self) -> Uuid {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ledger` is never constructed
[INFO] [stdout]   --> src/core/ledger.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Ledger {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LedgerId` is never constructed
[INFO] [stdout]  --> src/core/ledger.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct LedgerId(Uuid);
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `value` are never used
[INFO] [stdout]   --> src/core/ledger.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl LedgerId {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout]  8 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub fn value(&self) -> Uuid {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ledger` is never constructed
[INFO] [stdout]   --> src/core/ledger.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Ledger {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.84s
[INFO] running `Command { std: "docker" "inspect" "e6a92f2a2782b8ac09c361d3a708c4f04c0545e11d9c2837dbd15fd21b14745e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6a92f2a2782b8ac09c361d3a708c4f04c0545e11d9c2837dbd15fd21b14745e", kill_on_drop: false }`
[INFO] [stdout] e6a92f2a2782b8ac09c361d3a708c4f04c0545e11d9c2837dbd15fd21b14745e
