[INFO] fetching crate wandbox 0.1.3...
[INFO] checking wandbox-0.1.3 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate wandbox 0.1.3 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate wandbox 0.1.3
[INFO] finished tweaking crates.io crate wandbox 0.1.3
[INFO] tweaked toml for crates.io crate wandbox 0.1.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wandbox 0.1.3 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 159 packages to latest compatible versions
[INFO] [stderr]       Adding reqwest v0.11.27 (available: v0.12.20)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 473baba644425ca82e662532013fca529f35d9d0e32408084bbfaa0496f653da
[INFO] running `Command { std: "docker" "start" "-a" "473baba644425ca82e662532013fca529f35d9d0e32408084bbfaa0496f653da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "473baba644425ca82e662532013fca529f35d9d0e32408084bbfaa0496f653da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "473baba644425ca82e662532013fca529f35d9d0e32408084bbfaa0496f653da", kill_on_drop: false }`
[INFO] [stdout] 473baba644425ca82e662532013fca529f35d9d0e32408084bbfaa0496f653da
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56012ad233f116a2fa4bff57779b65b47ca4948aa0022c854e8e385b5772d5bb
[INFO] running `Command { std: "docker" "start" "-a" "56012ad233f116a2fa4bff57779b65b47ca4948aa0022c854e8e385b5772d5bb", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]     Checking openssl v0.10.73
[INFO] [stderr]     Checking tokio v1.45.1
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking yoke v0.8.0
[INFO] [stderr]     Checking zerovec v0.11.2
[INFO] [stderr]     Checking zerotrie v0.2.2
[INFO] [stderr]     Checking tinystr v0.8.1
[INFO] [stderr]     Checking potential_utf v0.1.2
[INFO] [stderr]     Checking icu_collections v2.0.0
[INFO] [stderr]     Checking icu_locale_core v2.0.0
[INFO] [stderr]     Checking icu_provider v2.0.0
[INFO] [stderr]     Checking icu_normalizer v2.0.0
[INFO] [stderr]     Checking icu_properties v2.0.1
[INFO] [stderr]     Checking tokio-util v0.7.15
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking native-tls v0.2.14
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking hyper v0.14.32
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.27
[INFO] [stderr]     Checking wandbox v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:61:17
[INFO] [stdout]    |
[INFO] [stdout] 61 |             for mut c in v.compilers.iter_mut() {
[INFO] [stdout]    |                 ----^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:61:17
[INFO] [stdout]    |
[INFO] [stdout] 61 |             for mut c in v.compilers.iter_mut() {
[INFO] [stdout]    |                 ----^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.44s
[INFO] running `Command { std: "docker" "inspect" "56012ad233f116a2fa4bff57779b65b47ca4948aa0022c854e8e385b5772d5bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56012ad233f116a2fa4bff57779b65b47ca4948aa0022c854e8e385b5772d5bb", kill_on_drop: false }`
[INFO] [stdout] 56012ad233f116a2fa4bff57779b65b47ca4948aa0022c854e8e385b5772d5bb