[INFO] fetching crate b_error 0.1.0...
[INFO] testing b_error-0.1.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate b_error 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate b_error 0.1.0
[INFO] finished tweaking crates.io crate b_error 0.1.0
[INFO] tweaked toml for crates.io crate b_error 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate b_error 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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e3063aeb0c1567f5ec6fc418493c5a3593fea90d99eb7416f0422e48bc1dde50
[INFO] running `Command { std: "docker" "start" "-a" "e3063aeb0c1567f5ec6fc418493c5a3593fea90d99eb7416f0422e48bc1dde50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3063aeb0c1567f5ec6fc418493c5a3593fea90d99eb7416f0422e48bc1dde50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3063aeb0c1567f5ec6fc418493c5a3593fea90d99eb7416f0422e48bc1dde50", kill_on_drop: false }`
[INFO] [stdout] e3063aeb0c1567f5ec6fc418493c5a3593fea90d99eb7416f0422e48bc1dde50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f1f57456120aeef4db7d1174a7122bcf785c2c04d858861dfaaf5b32d8b9d8a1
[INFO] running `Command { std: "docker" "start" "-a" "f1f57456120aeef4db7d1174a7122bcf785c2c04d858861dfaaf5b32d8b9d8a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling b_error v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "f1f57456120aeef4db7d1174a7122bcf785c2c04d858861dfaaf5b32d8b9d8a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1f57456120aeef4db7d1174a7122bcf785c2c04d858861dfaaf5b32d8b9d8a1", kill_on_drop: false }`
[INFO] [stdout] f1f57456120aeef4db7d1174a7122bcf785c2c04d858861dfaaf5b32d8b9d8a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] dbeaee4aec09acc026d36c1bc32e7543cba59b87d8989150314742527ae7a283
[INFO] running `Command { std: "docker" "start" "-a" "dbeaee4aec09acc026d36c1bc32e7543cba59b87d8989150314742527ae7a283", kill_on_drop: false }`
[INFO] [stderr]    Compiling b_error v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `c` found for enum `Result<T, E>` in the current scope
[INFO] [stdout]    --> error.rs:130:19
[INFO] [stdout]     |
[INFO] [stdout] 130 |         ret_s_t().c("test")?;
[INFO] [stdout]     |                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `e` with a similar name, but with different arguments
[INFO] [stdout]    --> error.rs:76:5
[INFO] [stdout]     |
[INFO] [stdout]  76 |     fn e(self) -> StdResult<T, BError> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `c` found for enum `Result<T, E>` in the current scope
[INFO] [stdout]    --> error.rs:131:19
[INFO] [stdout]     |
[INFO] [stdout] 131 |         ret_s_b().c("test")?;
[INFO] [stdout]     |                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `e` with a similar name, but with different arguments
[INFO] [stdout]    --> error.rs:76:5
[INFO] [stdout]     |
[INFO] [stdout]  76 |     fn e(self) -> StdResult<T, BError> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `b_error` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "dbeaee4aec09acc026d36c1bc32e7543cba59b87d8989150314742527ae7a283", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbeaee4aec09acc026d36c1bc32e7543cba59b87d8989150314742527ae7a283", kill_on_drop: false }`
[INFO] [stdout] dbeaee4aec09acc026d36c1bc32e7543cba59b87d8989150314742527ae7a283