[INFO] fetching crate ledge 0.1.0...
[INFO] testing ledge-0.1.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate ledge 0.1.0 into /workspace/builds/worker-7-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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ledge 0.1.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 119 packages to latest compatible versions
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.5.46)
[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: v1.18.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc2c212247e19f6ba9736610f89ca8f360f3bf5d5e1065d6917e2762870446cb
[INFO] running `Command { std: "docker" "start" "-a" "cc2c212247e19f6ba9736610f89ca8f360f3bf5d5e1065d6917e2762870446cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc2c212247e19f6ba9736610f89ca8f360f3bf5d5e1065d6917e2762870446cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc2c212247e19f6ba9736610f89ca8f360f3bf5d5e1065d6917e2762870446cb", kill_on_drop: false }`
[INFO] [stdout] cc2c212247e19f6ba9736610f89ca8f360f3bf5d5e1065d6917e2762870446cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a25b205259a7f87b6aa6cbbd0409f98a100cbb49cfdca1d9dc6e835cabe0c4d
[INFO] running `Command { std: "docker" "start" "-a" "4a25b205259a7f87b6aa6cbbd0409f98a100cbb49cfdca1d9dc6e835cabe0c4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling unicode-bidi v0.3.18
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling url_serde v0.2.0
[INFO] [stderr]    Compiling serde_yaml v0.8.26
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling backtrace v0.3.75
[INFO] [stderr]    Compiling regex v1.11.2
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling dotenv v0.13.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling 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: 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 55.91s
[INFO] running `Command { std: "docker" "inspect" "4a25b205259a7f87b6aa6cbbd0409f98a100cbb49cfdca1d9dc6e835cabe0c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a25b205259a7f87b6aa6cbbd0409f98a100cbb49cfdca1d9dc6e835cabe0c4d", kill_on_drop: false }`
[INFO] [stdout] 4a25b205259a7f87b6aa6cbbd0409f98a100cbb49cfdca1d9dc6e835cabe0c4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bbfa5638a3f8c02bc150e00c10c715715f243cc188156e0822bb5e0f63b0596
[INFO] running `Command { std: "docker" "start" "-a" "1bbfa5638a3f8c02bc150e00c10c715715f243cc188156e0822bb5e0f63b0596", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 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 `test` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "1bbfa5638a3f8c02bc150e00c10c715715f243cc188156e0822bb5e0f63b0596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bbfa5638a3f8c02bc150e00c10c715715f243cc188156e0822bb5e0f63b0596", kill_on_drop: false }`
[INFO] [stdout] 1bbfa5638a3f8c02bc150e00c10c715715f243cc188156e0822bb5e0f63b0596
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c08e2682b6bc19d8746ba5e4980a3479da8e96348d7ee3a22a305e9945ebeab0
[INFO] running `Command { std: "docker" "start" "-a" "c08e2682b6bc19d8746ba5e4980a3479da8e96348d7ee3a22a305e9945ebeab0", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `self::ledger::*`
[INFO] [stderr]  --> src/core.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub use self::ledger::*;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `LedgerId` is never constructed
[INFO] [stderr]  --> src/core/ledger.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct LedgerId(Uuid);
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `value` are never used
[INFO] [stderr]   --> src/core/ledger.rs:8:12
[INFO] [stderr]    |
[INFO] [stderr]  7 | impl LedgerId {
[INFO] [stderr]    | ------------- associated items in this implementation
[INFO] [stderr]  8 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 12 |     pub fn value(&self) -> Uuid {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Ledger` is never constructed
[INFO] [stderr]   --> src/core/ledger.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub struct Ledger {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ledge` (bin "ledge" test) generated 4 warnings (run `cargo fix --bin "ledge" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ledge-38968081fa298e42)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c08e2682b6bc19d8746ba5e4980a3479da8e96348d7ee3a22a305e9945ebeab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c08e2682b6bc19d8746ba5e4980a3479da8e96348d7ee3a22a305e9945ebeab0", kill_on_drop: false }`
[INFO] [stdout] c08e2682b6bc19d8746ba5e4980a3479da8e96348d7ee3a22a305e9945ebeab0