[INFO] fetching crate rc2 0.7.0...
[INFO] testing rc2-0.7.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rc2 0.7.0 into /workspace/builds/worker-84/source
[INFO] validating manifest of crates.io crate rc2 0.7.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rc2 0.7.0
[INFO] finished tweaking crates.io crate rc2 0.7.0
[INFO] tweaked toml for crates.io crate rc2 0.7.0 written to /workspace/builds/worker-84/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43c2f50b9e03627b4c772c7a3ba76ceecec791164a7baecd0d1ad1de71859870
[INFO] running `Command { std: "docker" "start" "-a" "43c2f50b9e03627b4c772c7a3ba76ceecec791164a7baecd0d1ad1de71859870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43c2f50b9e03627b4c772c7a3ba76ceecec791164a7baecd0d1ad1de71859870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43c2f50b9e03627b4c772c7a3ba76ceecec791164a7baecd0d1ad1de71859870", kill_on_drop: false }`
[INFO] [stdout] 43c2f50b9e03627b4c772c7a3ba76ceecec791164a7baecd0d1ad1de71859870
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 091d9c0ab8cb43f90037f89930a2ff76285fae93250c585557087b11418dbe83
[INFO] running `Command { std: "docker" "start" "-a" "091d9c0ab8cb43f90037f89930a2ff76285fae93250c585557087b11418dbe83", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling blobby v0.3.0
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling cipher v0.3.0
[INFO] [stderr]    Compiling rc2 v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.33s
[INFO] running `Command { std: "docker" "inspect" "091d9c0ab8cb43f90037f89930a2ff76285fae93250c585557087b11418dbe83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "091d9c0ab8cb43f90037f89930a2ff76285fae93250c585557087b11418dbe83", kill_on_drop: false }`
[INFO] [stdout] 091d9c0ab8cb43f90037f89930a2ff76285fae93250c585557087b11418dbe83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 195b04a2b405a05226c14e8c02f5d39a7d9718c48694361b46143d181b78c095
[INFO] running `Command { std: "docker" "start" "-a" "195b04a2b405a05226c14e8c02f5d39a7d9718c48694361b46143d181b78c095", kill_on_drop: false }`
[INFO] [stderr]    Compiling rc2 v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.33s
[INFO] running `Command { std: "docker" "inspect" "195b04a2b405a05226c14e8c02f5d39a7d9718c48694361b46143d181b78c095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "195b04a2b405a05226c14e8c02f5d39a7d9718c48694361b46143d181b78c095", kill_on_drop: false }`
[INFO] [stdout] 195b04a2b405a05226c14e8c02f5d39a7d9718c48694361b46143d181b78c095
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a248c6aa3435ba50ea63ed4e9f5acba535ed759e8ee317f89aa8b4961929894a
[INFO] running `Command { std: "docker" "start" "-a" "a248c6aa3435ba50ea63ed4e9f5acba535ed759e8ee317f89aa8b4961929894a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rc2-006433b829c59225)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-3c23267912dba123)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    Doc-tests rc2
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test rc2 ... ok
[INFO] [stdout] test rc2_effective_key_64 ... ok
[INFO] [stdout] test rc2_effective_key_129 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "a248c6aa3435ba50ea63ed4e9f5acba535ed759e8ee317f89aa8b4961929894a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a248c6aa3435ba50ea63ed4e9f5acba535ed759e8ee317f89aa8b4961929894a", kill_on_drop: false }`
[INFO] [stdout] a248c6aa3435ba50ea63ed4e9f5acba535ed759e8ee317f89aa8b4961929894a