[INFO] fetching crate iso9660_simple 0.1.10...
[INFO] checking iso9660_simple-0.1.10 against master#092a284ba0421695f2032c947765429fd7095796 for pr-139763
[INFO] extracting crate iso9660_simple 0.1.10 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate iso9660_simple 0.1.10 on toolchain 092a284ba0421695f2032c947765429fd7095796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iso9660_simple 0.1.10
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate iso9660_simple 0.1.10
[INFO] tweaked toml for crates.io crate iso9660_simple 0.1.10 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate iso9660_simple 0.1.10 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" "+092a284ba0421695f2032c947765429fd7095796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8307cea1d1b364692a92ba0b7961ea65b03cf0e05f1c9b942f906188e9b60ac
[INFO] running `Command { std: "docker" "start" "-a" "c8307cea1d1b364692a92ba0b7961ea65b03cf0e05f1c9b942f906188e9b60ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8307cea1d1b364692a92ba0b7961ea65b03cf0e05f1c9b942f906188e9b60ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8307cea1d1b364692a92ba0b7961ea65b03cf0e05f1c9b942f906188e9b60ac", kill_on_drop: false }`
[INFO] [stdout] c8307cea1d1b364692a92ba0b7961ea65b03cf0e05f1c9b942f906188e9b60ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0009578a9734b008330b4bc956f699a57cbc1d05a723106431e0bdfce534525
[INFO] running `Command { std: "docker" "start" "-a" "f0009578a9734b008330b4bc956f699a57cbc1d05a723106431e0bdfce534525", kill_on_drop: false }`
[INFO] [stderr]     Checking iso9660_simple v0.1.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]    --> src/lib.rs:92:16
[INFO] [stdout]     |
[INFO] [stdout] 91  | pub struct ISOHeader {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 92  |     pub(crate) header: ISOHeaderRaw,
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout] 93  |     system_name: String,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 94  |     label: String,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 95  |     directory_entry: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 96  |     volume_set_id: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 97  |     publisher_id: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 98  |     data_preparer_id: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 99  |     application_id: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 100 |     copyright_file_id: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 101 |     abstract_file_id: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 102 |     bibliographic_file_id: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 103 |     volume_creation_date: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 104 |     volume_modification_date: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 105 |     volume_expiration_date: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 106 |     volume_effective_date: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ISOHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]    --> src/lib.rs:92:16
[INFO] [stdout]     |
[INFO] [stdout] 91  | pub struct ISOHeader {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 92  |     pub(crate) header: ISOHeaderRaw,
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout] 93  |     system_name: String,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 94  |     label: String,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 95  |     directory_entry: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 96  |     volume_set_id: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 97  |     publisher_id: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 98  |     data_preparer_id: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 99  |     application_id: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 100 |     copyright_file_id: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 101 |     abstract_file_id: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 102 |     bibliographic_file_id: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 103 |     volume_creation_date: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 104 |     volume_modification_date: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 105 |     volume_expiration_date: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 106 |     volume_effective_date: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ISOHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `helpers`
[INFO] [stdout]  --> examples/dump.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use iso9660_simple::{helpers, Read as ISORead, *};
[INFO] [stdout]   |                      ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> examples/dump.rs:4:32
[INFO] [stdout]   |
[INFO] [stdout] 4 |     io::{Read, Seek, SeekFrom, Write},
[INFO] [stdout]   |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "f0009578a9734b008330b4bc956f699a57cbc1d05a723106431e0bdfce534525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0009578a9734b008330b4bc956f699a57cbc1d05a723106431e0bdfce534525", kill_on_drop: false }`
[INFO] [stdout] f0009578a9734b008330b4bc956f699a57cbc1d05a723106431e0bdfce534525