[INFO] crate rustup-toolchain-install-master 1.6.1 is already in cache
[INFO] checking rustup-toolchain-install-master-1.6.1 against master#4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb for pr-64672
[INFO] extracting crate rustup-toolchain-install-master 1.6.1 into work/builds/worker-0/source
[INFO] validating manifest of crates.io crate rustup-toolchain-install-master 1.6.1 on toolchain 4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rustup-toolchain-install-master 1.6.1
[INFO] finished tweaking crates.io crate rustup-toolchain-install-master 1.6.1
[INFO] tweaked toml for crates.io crate rustup-toolchain-install-master 1.6.1 written to work/builds/worker-0/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 87fc1e2e673319d991573d3f2855e5afbd0f46faa7b042b31bc0ba698e4c7e99
[INFO] running `"docker" "start" "-a" "87fc1e2e673319d991573d3f2855e5afbd0f46faa7b042b31bc0ba698e4c7e99"`
[INFO] [stderr]    Compiling rustup-toolchain-install-master v1.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tee v0.1.0
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:455:23
[INFO] [stderr]     |
[INFO] [stderr] 455 | fn report_error(err: &Fail) {
[INFO] [stderr]     |                       ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:463:23
[INFO] [stderr]     |
[INFO] [stderr] 463 | fn report_warn(warn: &Fail) {
[INFO] [stderr]     |                       ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:455:23
[INFO] [stderr]     |
[INFO] [stderr] 455 | fn report_error(err: &Fail) {
[INFO] [stderr]     |                       ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:463:23
[INFO] [stderr]     |
[INFO] [stderr] 463 | fn report_warn(warn: &Fail) {
[INFO] [stderr]     |                       ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:159:13
[INFO] [stderr]     |
[INFO] [stderr] 159 |         let mut lock = err.lock();
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:159:13
[INFO] [stderr]     |
[INFO] [stderr] 159 |         let mut lock = err.lock();
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.30s
[INFO] running `"docker" "inspect" "87fc1e2e673319d991573d3f2855e5afbd0f46faa7b042b31bc0ba698e4c7e99"`
[INFO] running `"docker" "rm" "-f" "87fc1e2e673319d991573d3f2855e5afbd0f46faa7b042b31bc0ba698e4c7e99"`
[INFO] [stdout] 87fc1e2e673319d991573d3f2855e5afbd0f46faa7b042b31bc0ba698e4c7e99