[INFO] fetching crate zehn 0.1.1...
[INFO] testing zehn-0.1.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate zehn 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate zehn 0.1.1
[INFO] finished tweaking crates.io crate zehn 0.1.1
[INFO] tweaked toml for crates.io crate zehn 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate zehn 0.1.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdf34691bcbc3d90a83b2410cdf835effa4716c426ad5b3a3d41b2f568b213fd
[INFO] running `Command { std: "docker" "start" "-a" "bdf34691bcbc3d90a83b2410cdf835effa4716c426ad5b3a3d41b2f568b213fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdf34691bcbc3d90a83b2410cdf835effa4716c426ad5b3a3d41b2f568b213fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdf34691bcbc3d90a83b2410cdf835effa4716c426ad5b3a3d41b2f568b213fd", kill_on_drop: false }`
[INFO] [stdout] bdf34691bcbc3d90a83b2410cdf835effa4716c426ad5b3a3d41b2f568b213fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f52eb39e8d8ce0badbc4e78841bd0402fe3a0a16018ec901f803d66a0d748d7
[INFO] running `Command { std: "docker" "start" "-a" "8f52eb39e8d8ce0badbc4e78841bd0402fe3a0a16018ec901f803d66a0d748d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling zehn v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/io.rs:200:17
[INFO] [stdout]     |
[INFO] [stdout] 200 |             let name = &body.read_cstr()?;
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SeekExt` is never used
[INFO] [stdout]   --> src/util.rs:22:11
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub trait SeekExt {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[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 0.60s
[INFO] running `Command { std: "docker" "inspect" "8f52eb39e8d8ce0badbc4e78841bd0402fe3a0a16018ec901f803d66a0d748d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f52eb39e8d8ce0badbc4e78841bd0402fe3a0a16018ec901f803d66a0d748d7", kill_on_drop: false }`
[INFO] [stdout] 8f52eb39e8d8ce0badbc4e78841bd0402fe3a0a16018ec901f803d66a0d748d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93814fe4f5a8e24fe246e7481f1f76551ddccab92312baebe8cf3e5f7659781a
[INFO] running `Command { std: "docker" "start" "-a" "93814fe4f5a8e24fe246e7481f1f76551ddccab92312baebe8cf3e5f7659781a", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/io.rs:200:17
[INFO] [stdout]     |
[INFO] [stdout] 200 |             let name = &body.read_cstr()?;
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SeekExt` is never used
[INFO] [stdout]   --> src/util.rs:22:11
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub trait SeekExt {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling zehn v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/io.rs:200:17
[INFO] [stdout]     |
[INFO] [stdout] 200 |             let name = &body.read_cstr()?;
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SeekExt` is never used
[INFO] [stdout]   --> src/util.rs:22:11
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub trait SeekExt {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "93814fe4f5a8e24fe246e7481f1f76551ddccab92312baebe8cf3e5f7659781a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93814fe4f5a8e24fe246e7481f1f76551ddccab92312baebe8cf3e5f7659781a", kill_on_drop: false }`
[INFO] [stdout] 93814fe4f5a8e24fe246e7481f1f76551ddccab92312baebe8cf3e5f7659781a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d80f5a714c7d58440616cc9357b277467d7e8258d82e09f10a2652393f7ac866
[INFO] running `Command { std: "docker" "start" "-a" "d80f5a714c7d58440616cc9357b277467d7e8258d82e09f10a2652393f7ac866", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stdout] 
[INFO] [stderr]    --> src/io.rs:200:17
[INFO] [stdout] running 1 test
[INFO] [stderr]     |
[INFO] [stdout] test tests::test_elf_read ... ok
[INFO] [stderr] 200 |             let name = &body.read_cstr()?;
[INFO] [stdout] 
[INFO] [stderr]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `SeekExt` is never used
[INFO] [stderr]   --> src/util.rs:22:11
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub trait SeekExt {
[INFO] [stderr]    |           ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `zehn` (lib) generated 2 warnings (run `cargo fix --lib -p zehn` to apply 1 suggestion)
[INFO] [stderr] warning: `zehn` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/zehn-444ace98a74f7563)
[INFO] [stderr]    Doc-tests zehn
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/io.rs - io::Header::write (line 74) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.49s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d80f5a714c7d58440616cc9357b277467d7e8258d82e09f10a2652393f7ac866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d80f5a714c7d58440616cc9357b277467d7e8258d82e09f10a2652393f7ac866", kill_on_drop: false }`
[INFO] [stdout] d80f5a714c7d58440616cc9357b277467d7e8258d82e09f10a2652393f7ac866