[INFO] fetching crate mcf-config-demo-lib 0.1.0...
[INFO] testing mcf-config-demo-lib-0.1.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate mcf-config-demo-lib 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate mcf-config-demo-lib 0.1.0
[INFO] finished tweaking crates.io crate mcf-config-demo-lib 0.1.0
[INFO] tweaked toml for crates.io crate mcf-config-demo-lib 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mcf-config-demo-lib 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded mcf-config-demo-settings v0.1.0
[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] 13169b0bcb9e56d4ba46ecc6c36ae59f87807b8dd9dfe3851120b54af9a97cd1
[INFO] running `Command { std: "docker" "start" "-a" "13169b0bcb9e56d4ba46ecc6c36ae59f87807b8dd9dfe3851120b54af9a97cd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13169b0bcb9e56d4ba46ecc6c36ae59f87807b8dd9dfe3851120b54af9a97cd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13169b0bcb9e56d4ba46ecc6c36ae59f87807b8dd9dfe3851120b54af9a97cd1", kill_on_drop: false }`
[INFO] [stdout] 13169b0bcb9e56d4ba46ecc6c36ae59f87807b8dd9dfe3851120b54af9a97cd1
[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] 45cf180562380e7399333d707b3663fad2faef751f0239ef2548731d5c27e8ed
[INFO] running `Command { std: "docker" "start" "-a" "45cf180562380e7399333d707b3663fad2faef751f0239ef2548731d5c27e8ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling mcf-config-demo-settings v0.1.0
[INFO] [stderr]    Compiling mcf-config-demo-lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `min_const_fn` has been stable since 1.31.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(min_const_fn)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "45cf180562380e7399333d707b3663fad2faef751f0239ef2548731d5c27e8ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45cf180562380e7399333d707b3663fad2faef751f0239ef2548731d5c27e8ed", kill_on_drop: false }`
[INFO] [stdout] 45cf180562380e7399333d707b3663fad2faef751f0239ef2548731d5c27e8ed
[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] 0206bdc8d64645a08f8e5f1305069c7e5f336b12c56c768a69085c6f51f6ddc7
[INFO] running `Command { std: "docker" "start" "-a" "0206bdc8d64645a08f8e5f1305069c7e5f336b12c56c768a69085c6f51f6ddc7", kill_on_drop: false }`
[INFO] [stdout] warning: the feature `min_const_fn` has been stable since 1.31.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(min_const_fn)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mcf-config-demo-lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `min_const_fn` has been stable since 1.31.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(min_const_fn)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "0206bdc8d64645a08f8e5f1305069c7e5f336b12c56c768a69085c6f51f6ddc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0206bdc8d64645a08f8e5f1305069c7e5f336b12c56c768a69085c6f51f6ddc7", kill_on_drop: false }`
[INFO] [stdout] 0206bdc8d64645a08f8e5f1305069c7e5f336b12c56c768a69085c6f51f6ddc7
[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", kill_on_drop: false }`
[INFO] [stdout] 855183bad27a5c5851a0681467e405e2b63971e4366f74b512c50b8672b3ddfc
[INFO] running `Command { std: "docker" "start" "-a" "855183bad27a5c5851a0681467e405e2b63971e4366f74b512c50b8672b3ddfc", kill_on_drop: false }`
[INFO] [stderr] warning: the feature `min_const_fn` has been stable since 1.31.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stderr]  --> src/lib.rs:2:12
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 2 | #![feature(min_const_fn)]
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mcf-config-demo-lib` (lib) generated 1 warning
[INFO] [stderr] warning: `mcf-config-demo-lib` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mcf_config_demo_lib-fcc3ee4dbd3c4d50)
[INFO] [stderr]    Doc-tests mcf_config_demo_lib
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "855183bad27a5c5851a0681467e405e2b63971e4366f74b512c50b8672b3ddfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "855183bad27a5c5851a0681467e405e2b63971e4366f74b512c50b8672b3ddfc", kill_on_drop: false }`
[INFO] [stdout] 855183bad27a5c5851a0681467e405e2b63971e4366f74b512c50b8672b3ddfc