[INFO] fetching crate error2 0.5.1...
[INFO] testing error2-0.5.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate error2 0.5.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate error2 0.5.1
[INFO] finished tweaking crates.io crate error2 0.5.1
[INFO] tweaked toml for crates.io crate error2 0.5.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate error2 0.5.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate error2 0.5.1 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote-use v0.8.4
[INFO] [stderr]   Downloaded snafu-derive v0.8.9
[INFO] [stderr]   Downloaded from-attr-core v0.1.3
[INFO] [stderr]   Downloaded from-attr v0.1.3
[INFO] [stderr]   Downloaded scc v3.3.1
[INFO] [stderr]   Downloaded saa v5.0.0
[INFO] [stderr]   Downloaded sdd v4.1.2
[INFO] [stderr]   Downloaded from-attr-macro v0.1.3
[INFO] [stderr]   Downloaded proc-macro-utils v0.10.0
[INFO] [stderr]   Downloaded quote-use-macros v0.8.4
[INFO] [stderr]   Downloaded error2-derive v0.5.1
[INFO] [stderr]   Downloaded append-only-vec v0.1.7
[INFO] [stderr]   Downloaded snafu v0.8.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 779fb3ca13e793de38f88cd61e0b2878c00db04ff44ee676dbf17707a9d299e6
[INFO] running `Command { std: "docker" "start" "-a" "779fb3ca13e793de38f88cd61e0b2878c00db04ff44ee676dbf17707a9d299e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "779fb3ca13e793de38f88cd61e0b2878c00db04ff44ee676dbf17707a9d299e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "779fb3ca13e793de38f88cd61e0b2878c00db04ff44ee676dbf17707a9d299e6", kill_on_drop: false }`
[INFO] [stdout] 779fb3ca13e793de38f88cd61e0b2878c00db04ff44ee676dbf17707a9d299e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e07b0bc4ef32ff8cf80d09b7669ddf0e71a6f2c3de2153b3dbf667630f49965
[INFO] running `Command { std: "docker" "start" "-a" "5e07b0bc4ef32ff8cf80d09b7669ddf0e71a6f2c3de2153b3dbf667630f49965", kill_on_drop: false }`
[INFO] [stderr]    Compiling sdd v4.1.2
[INFO] [stderr]    Compiling saa v5.0.0
[INFO] [stderr]    Compiling append-only-vec v0.1.7
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling proc-macro-utils v0.10.0
[INFO] [stderr]    Compiling scc v3.3.1
[INFO] [stderr]    Compiling from-attr-core v0.1.3
[INFO] [stderr]    Compiling quote-use-macros v0.8.4
[INFO] [stderr]    Compiling quote-use v0.8.4
[INFO] [stderr]    Compiling from-attr-macro v0.1.3
[INFO] [stderr]    Compiling from-attr v0.1.3
[INFO] [stderr]    Compiling error2-derive v0.5.1
[INFO] [stderr]    Compiling error2 v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.45s
[INFO] running `Command { std: "docker" "inspect" "5e07b0bc4ef32ff8cf80d09b7669ddf0e71a6f2c3de2153b3dbf667630f49965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e07b0bc4ef32ff8cf80d09b7669ddf0e71a6f2c3de2153b3dbf667630f49965", kill_on_drop: false }`
[INFO] [stdout] 5e07b0bc4ef32ff8cf80d09b7669ddf0e71a6f2c3de2153b3dbf667630f49965
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 925288ec3c928abe247aafea352a4bd8312f0e343cd0a92bc4ed86d7ca978a19
[INFO] running `Command { std: "docker" "start" "-a" "925288ec3c928abe247aafea352a4bd8312f0e343cd0a92bc4ed86d7ca978a19", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling error2 v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.60s
[INFO] running `Command { std: "docker" "inspect" "925288ec3c928abe247aafea352a4bd8312f0e343cd0a92bc4ed86d7ca978a19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "925288ec3c928abe247aafea352a4bd8312f0e343cd0a92bc4ed86d7ca978a19", kill_on_drop: false }`
[INFO] [stdout] 925288ec3c928abe247aafea352a4bd8312f0e343cd0a92bc4ed86d7ca978a19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e01e768db2aa89022cab938294327b783bd645c7705e20ecf6ff1afd26db8e36
[INFO] running `Command { std: "docker" "start" "-a" "e01e768db2aa89022cab938294327b783bd645c7705e20ecf6ff1afd26db8e36", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/error2-bfc19d09a364b0b3)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test location::tests::test_the_effects_of_tracker_caller ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests error2
[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" "e01e768db2aa89022cab938294327b783bd645c7705e20ecf6ff1afd26db8e36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e01e768db2aa89022cab938294327b783bd645c7705e20ecf6ff1afd26db8e36", kill_on_drop: false }`
[INFO] [stdout] e01e768db2aa89022cab938294327b783bd645c7705e20ecf6ff1afd26db8e36