[INFO] fetching crate eros 0.5.0...
[INFO] checking eros-0.5.0 against master#035b01b794602d5861daa43ac792f372f8981ed7 for 152214-denied-retry-0
[INFO] extracting crate eros 0.5.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate eros 0.5.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate eros 0.5.0
[INFO] tweaked toml for crates.io crate eros 0.5.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate eros 0.5.0 on toolchain 035b01b794602d5861daa43ac792f372f8981ed7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate eros 0.5.0 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" "+035b01b794602d5861daa43ac792f372f8981ed7" "fetch" "--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]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 670eed3e47a7d99a4238a0fed2ff6d4577ab9c9e477883887418063933088c7d
[INFO] running `Command { std: "docker" "start" "-a" "670eed3e47a7d99a4238a0fed2ff6d4577ab9c9e477883887418063933088c7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "670eed3e47a7d99a4238a0fed2ff6d4577ab9c9e477883887418063933088c7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "670eed3e47a7d99a4238a0fed2ff6d4577ab9c9e477883887418063933088c7d", kill_on_drop: false }`
[INFO] [stdout] 670eed3e47a7d99a4238a0fed2ff6d4577ab9c9e477883887418063933088c7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d23cdef2d166bb547685d4b38e7f2e708b02394c4a288e058d3f22230bffad74
[INFO] running `Command { std: "docker" "start" "-a" "d23cdef2d166bb547685d4b38e7f2e708b02394c4a288e058d3f22230bffad74", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
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[INFO] [stderr]     Checking stable_deref_trait v1.2.0
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[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking once_cell v1.21.3
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[INFO] [stderr]    Compiling cc v1.2.33
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[INFO] [stderr]     Checking foreign-types-shared v0.1.1
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[INFO] [stderr]    Compiling serde_derive v1.0.219
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[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> tests/usability.rs:152:15
[INFO] [stdout]     |
[INFO] [stdout] 152 |         E2::A(u) => {
[INFO] [stdout]     |               ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> tests/usability.rs:155:15
[INFO] [stdout]     |
[INFO] [stdout] 155 |         E2::B(s) => {
[INFO] [stdout]     |               ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> tests/usability.rs:162:15
[INFO] [stdout]     |
[INFO] [stdout] 162 |         E2::A(u) => {
[INFO] [stdout]     |               ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> tests/usability.rs:165:15
[INFO] [stdout]     |
[INFO] [stdout] 165 |         E2::B(s) => {
[INFO] [stdout]     |               ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `is_hit` is never read
[INFO] [stdout]    --> tests/usability.rs:150:22
[INFO] [stdout]     |
[INFO] [stdout] 150 |     let mut is_hit = false;
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `is_hit` is never read
[INFO] [stdout]    --> tests/usability.rs:160:5
[INFO] [stdout]     |
[INFO] [stdout] 160 |     is_hit = false;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `is_hit` is never read
[INFO] [stdout]    --> tests/usability.rs:185:28
[INFO] [stdout]     |
[INFO] [stdout] 185 |     let mut is_hit: bool = false;
[INFO] [stdout]     |                            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `AnotherErrorVariant` is never constructed
[INFO] [stdout]    --> tests/usability.rs:323:9
[INFO] [stdout]     |
[INFO] [stdout] 322 |     pub enum AnotherError {
[INFO] [stdout]     |              ------------ variant in this enum
[INFO] [stdout] 323 |         AnotherErrorVariant,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AnotherError` 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 1m 01s
[INFO] running `Command { std: "docker" "inspect" "d23cdef2d166bb547685d4b38e7f2e708b02394c4a288e058d3f22230bffad74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d23cdef2d166bb547685d4b38e7f2e708b02394c4a288e058d3f22230bffad74", kill_on_drop: false }`
[INFO] [stdout] d23cdef2d166bb547685d4b38e7f2e708b02394c4a288e058d3f22230bffad74