[INFO] fetching crate ledge 0.1.0...
[INFO] checking ledge-0.1.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate ledge 0.1.0 into /workspace/builds/worker-6-tc1/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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ledge 0.1.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 120 packages to latest compatible versions
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.5.47)
[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: v0.9.5)
[INFO] [stderr]       Adding url v1.7.2 (available: v2.5.7)
[INFO] [stderr]       Adding uuid v0.7.4 (available: v1.18.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dotenv v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d934801d8731cbe7c1075bc8e25863a2d28b55fe8dddb6594186e01be7a585ff
[INFO] running `Command { std: "docker" "start" "-a" "d934801d8731cbe7c1075bc8e25863a2d28b55fe8dddb6594186e01be7a585ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d934801d8731cbe7c1075bc8e25863a2d28b55fe8dddb6594186e01be7a585ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d934801d8731cbe7c1075bc8e25863a2d28b55fe8dddb6594186e01be7a585ff", kill_on_drop: false }`
[INFO] [stdout] d934801d8731cbe7c1075bc8e25863a2d28b55fe8dddb6594186e01be7a585ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e08abfe297ba33a72631e9895fcca4f4ea14ac0656df469eb58cc2cd6db9c59
[INFO] running `Command { std: "docker" "start" "-a" "5e08abfe297ba33a72631e9895fcca4f4ea14ac0656df469eb58cc2cd6db9c59", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking backtrace v0.3.75
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking dotenv v0.13.0
[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)]` 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)]` 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)]` 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)]` 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 7.24s
[INFO] running `Command { std: "docker" "inspect" "5e08abfe297ba33a72631e9895fcca4f4ea14ac0656df469eb58cc2cd6db9c59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e08abfe297ba33a72631e9895fcca4f4ea14ac0656df469eb58cc2cd6db9c59", kill_on_drop: false }`
[INFO] [stdout] 5e08abfe297ba33a72631e9895fcca4f4ea14ac0656df469eb58cc2cd6db9c59