[INFO] fetching crate read_chunk_iter 0.2.0...
[INFO] testing read_chunk_iter-0.2.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate read_chunk_iter 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate read_chunk_iter 0.2.0
[INFO] finished tweaking crates.io crate read_chunk_iter 0.2.0
[INFO] tweaked toml for crates.io crate read_chunk_iter 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate read_chunk_iter 0.2.0 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] crate crates.io crate read_chunk_iter 0.2.0 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.77
[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] 3807c0bf9cf48fcf928a498111d504f9f4f3ed4450373c661a99600f35bf8ebd
[INFO] running `Command { std: "docker" "start" "-a" "3807c0bf9cf48fcf928a498111d504f9f4f3ed4450373c661a99600f35bf8ebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3807c0bf9cf48fcf928a498111d504f9f4f3ed4450373c661a99600f35bf8ebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3807c0bf9cf48fcf928a498111d504f9f4f3ed4450373c661a99600f35bf8ebd", kill_on_drop: false }`
[INFO] [stdout] 3807c0bf9cf48fcf928a498111d504f9f4f3ed4450373c661a99600f35bf8ebd
[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] 62afca4f291a7a3a6cbe5d5271ba14ff230cfeb06584939b6af4b1c629bb9016
[INFO] running `Command { std: "docker" "start" "-a" "62afca4f291a7a3a6cbe5d5271ba14ff230cfeb06584939b6af4b1c629bb9016", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling atomic-wait v1.1.0
[INFO] [stderr]    Compiling read_chunk_iter v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/vectored_read.rs:46:41
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn chunk_slice_for_vectored_read(slice: &mut [u8], size: NonZeroUsize) -> Vec<IoSliceMut> {
[INFO] [stdout]    |                                         ^^^^^^^^^ the lifetime is elided here ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn chunk_slice_for_vectored_read(slice: &mut [u8], size: NonZeroUsize) -> Vec<IoSliceMut<'_>> {
[INFO] [stdout]    |                                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.54s
[INFO] running `Command { std: "docker" "inspect" "62afca4f291a7a3a6cbe5d5271ba14ff230cfeb06584939b6af4b1c629bb9016", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62afca4f291a7a3a6cbe5d5271ba14ff230cfeb06584939b6af4b1c629bb9016", kill_on_drop: false }`
[INFO] [stdout] 62afca4f291a7a3a6cbe5d5271ba14ff230cfeb06584939b6af4b1c629bb9016
[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] 95375b46abdeb491511b09368f296bbe7eef2e789d003342812a868b53ca1d2f
[INFO] running `Command { std: "docker" "start" "-a" "95375b46abdeb491511b09368f296bbe7eef2e789d003342812a868b53ca1d2f", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `itoa v1.0.10`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   unable to get packages from source
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack package `itoa v1.0.10`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itoa-1.0.10`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "95375b46abdeb491511b09368f296bbe7eef2e789d003342812a868b53ca1d2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95375b46abdeb491511b09368f296bbe7eef2e789d003342812a868b53ca1d2f", kill_on_drop: false }`
[INFO] [stdout] 95375b46abdeb491511b09368f296bbe7eef2e789d003342812a868b53ca1d2f