[INFO] fetching crate mcr 0.2.1...
[INFO] testing mcr-0.2.1 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate mcr 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate mcr 0.2.1 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mcr 0.2.1
[INFO] finished tweaking crates.io crate mcr 0.2.1
[INFO] tweaked toml for crates.io crate mcr 0.2.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate mcr 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 806743b73d97febcbd5bccf10e836fe09b3de16c0f380b005b1107101a84e809
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "806743b73d97febcbd5bccf10e836fe09b3de16c0f380b005b1107101a84e809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "806743b73d97febcbd5bccf10e836fe09b3de16c0f380b005b1107101a84e809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "806743b73d97febcbd5bccf10e836fe09b3de16c0f380b005b1107101a84e809", kill_on_drop: false }`
[INFO] [stdout] 806743b73d97febcbd5bccf10e836fe09b3de16c0f380b005b1107101a84e809
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd98898ef791c0ac8921a59f4994bfca9dff818bc867a2baf5ac9c51a40bf994
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fd98898ef791c0ac8921a59f4994bfca9dff818bc867a2baf5ac9c51a40bf994", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling serde_json v1.0.48
[INFO] [stderr]    Compiling mcr v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.90s
[INFO] running `Command { std: "docker" "inspect" "fd98898ef791c0ac8921a59f4994bfca9dff818bc867a2baf5ac9c51a40bf994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd98898ef791c0ac8921a59f4994bfca9dff818bc867a2baf5ac9c51a40bf994", kill_on_drop: false }`
[INFO] [stdout] fd98898ef791c0ac8921a59f4994bfca9dff818bc867a2baf5ac9c51a40bf994
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e3800fb9cba0bcb6620a3244908627475a917b034eed4aa643f7a54364aa6c89
[INFO] running `Command { std: "docker" "start" "-a" "e3800fb9cba0bcb6620a3244908627475a917b034eed4aa643f7a54364aa6c89", kill_on_drop: false }`
[INFO] [stderr]    Compiling mcr v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.85s
[INFO] running `Command { std: "docker" "inspect" "e3800fb9cba0bcb6620a3244908627475a917b034eed4aa643f7a54364aa6c89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3800fb9cba0bcb6620a3244908627475a917b034eed4aa643f7a54364aa6c89", kill_on_drop: false }`
[INFO] [stdout] e3800fb9cba0bcb6620a3244908627475a917b034eed4aa643f7a54364aa6c89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2499559f928a62674eeec0fcb0338b64f15b83d2f296ddfc9a7837f693fe3a4c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2499559f928a62674eeec0fcb0338b64f15b83d2f296ddfc9a7837f693fe3a4c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mcr-6f6efd9fd1673ed3
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test aes::tests::test_cipher ... ok
[INFO] [stdout] test bigint::tests::test_eq ... ok
[INFO] [stdout] test aes::tests::test_key_expansion ... ok
[INFO] [stdout] test der::tests::test_der_jamies_server ... ok
[INFO] [stdout] test rsa::tests::build_block_tests ... ok
[INFO] [stdout] test bigint::tests::test_addition ... ok
[INFO] [stdout] test bigint::tests::from_and_to_octets ... ok
[INFO] [stdout] test rsa::tests::mod_length_tests ... ok
[INFO] [stdout] test aes::tests::test_sub_bytes ... ok
[INFO] [stdout] test bigint::tests::test_multiplication ... ok
[INFO] [stdout] test bigint::tests::test_rem ... ok
[INFO] [stdout] test bigint::tests::test_sub ... ok
[INFO] [stdout] test sha1::tests::test_mc_sha1 ... ok
[INFO] [stdout] test sha1::tests::test_mc_formatting ... ok
[INFO] [stdout] test aes::tests::test_cfb ... ok
[INFO] [stdout] test bigint::tests::test_from_octets ... ok
[INFO] [stdout] test bigint::tests::test_lshift ... ok
[INFO] [stdout] test types::tests::basic_read_var_int ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mcr-e0a2a9958ac7bd5b
[INFO] [stdout] test rsa::tests::test_encryption_der ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test aes::tests::test_cipher ... ok
[INFO] [stdout] test aes::tests::test_key_expansion ... ok
[INFO] [stdout] test bigint::tests::test_eq ... ok
[INFO] [stdout] test bigint::tests::test_from_octets ... ok
[INFO] [stdout] test bigint::tests::test_addition ... ok
[INFO] [stdout] test der::tests::test_der_jamies_server ... ok
[INFO] [stdout] test rsa::tests::build_block_tests ... ok
[INFO] [stdout] test rsa::tests::mod_length_tests ... ok
[INFO] [stdout] test aes::tests::test_cfb ... ok
[INFO] [stdout] test sha1::tests::test_mc_formatting ... ok
[INFO] [stdout] test types::tests::basic_read_var_int ... ok
[INFO] [stdout] test sha1::tests::test_mc_sha1 ... ok
[INFO] [stdout] test aes::tests::test_sub_bytes ... ok
[INFO] [stdout] test bigint::tests::test_multiplication ... ok
[INFO] [stdout] test bigint::tests::from_and_to_octets ... ok
[INFO] [stdout] test bigint::tests::test_lshift ... ok
[INFO] [stdout] test bigint::tests::test_rem ... ok
[INFO] [stdout] test bigint::tests::test_sub ... ok
[INFO] [stdout] test rsa::tests::test_encryption_der ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mcr
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2499559f928a62674eeec0fcb0338b64f15b83d2f296ddfc9a7837f693fe3a4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2499559f928a62674eeec0fcb0338b64f15b83d2f296ddfc9a7837f693fe3a4c", kill_on_drop: false }`
[INFO] [stdout] 2499559f928a62674eeec0fcb0338b64f15b83d2f296ddfc9a7837f693fe3a4c