[INFO] fetching crate mcr 0.2.0...
[INFO] testing mcr-0.2.0 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate mcr 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate mcr 0.2.0 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mcr 0.2.0
[INFO] finished tweaking crates.io crate mcr 0.2.0
[INFO] tweaked toml for crates.io crate mcr 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate mcr 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f3b4f788c2ddab95190b35c0c4145c9c9e131c842850da3ebf5474c4d676355a
[INFO] running `"docker" "start" "-a" "f3b4f788c2ddab95190b35c0c4145c9c9e131c842850da3ebf5474c4d676355a"`
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[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 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.17s
[INFO] running `"docker" "inspect" "f3b4f788c2ddab95190b35c0c4145c9c9e131c842850da3ebf5474c4d676355a"`
[INFO] running `"docker" "rm" "-f" "f3b4f788c2ddab95190b35c0c4145c9c9e131c842850da3ebf5474c4d676355a"`
[INFO] [stdout] f3b4f788c2ddab95190b35c0c4145c9c9e131c842850da3ebf5474c4d676355a
[INFO] running `"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" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ffff0cdc82e704166c4612ed8bc185e00a8a65b0b53164c6f2f4e8950cd9b168
[INFO] running `"docker" "start" "-a" "ffff0cdc82e704166c4612ed8bc185e00a8a65b0b53164c6f2f4e8950cd9b168"`
[INFO] [stderr]    Compiling mcr v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.45s
[INFO] running `"docker" "inspect" "ffff0cdc82e704166c4612ed8bc185e00a8a65b0b53164c6f2f4e8950cd9b168"`
[INFO] running `"docker" "rm" "-f" "ffff0cdc82e704166c4612ed8bc185e00a8a65b0b53164c6f2f4e8950cd9b168"`
[INFO] [stdout] ffff0cdc82e704166c4612ed8bc185e00a8a65b0b53164c6f2f4e8950cd9b168
[INFO] running `"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" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e29a872172de810cf86138eca8f449a9cacd8791689bb30d2ecd1abc0677c9a2
[INFO] running `"docker" "start" "-a" "e29a872172de810cf86138eca8f449a9cacd8791689bb30d2ecd1abc0677c9a2"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mcr-d25e52984a190582
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test aes::tests::test_sub_bytes ... ok
[INFO] [stdout] test bigint::tests::from_and_to_octets ... ok
[INFO] [stdout] test aes::tests::test_cipher ... ok
[INFO] [stdout] test bigint::tests::test_eq ... ok
[INFO] [stdout] test bigint::tests::test_addition ... ok
[INFO] [stdout] test aes::tests::test_key_expansion ... ok
[INFO] [stdout] test bigint::tests::test_from_octets ... ok
[INFO] [stdout] test bigint::tests::test_lshift ... ok
[INFO] [stdout] test aes::tests::test_cfb ... ok
[INFO] [stdout] test bigint::tests::test_rem ... ok
[INFO] [stdout] test bigint::tests::test_multiplication ... ok
[INFO] [stdout] test rsa::tests::mod_length_tests ... ok
[INFO] [stdout] test bigint::tests::test_sub ... ok
[INFO] [stdout] test types::tests::basic_read_var_int ... ok
[INFO] [stdout] test der::tests::test_der_jamies_server ... ok
[INFO] [stdout] test rsa::tests::build_block_tests ... ok
[INFO] [stdout] test sha1::tests::test_mc_sha1 ... ok
[INFO] [stdout] test sha1::tests::test_mc_formatting ... 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]      Running /opt/rustwide/target/debug/deps/mcr-23b2ca43986c00aa
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test aes::tests::test_cipher ... ok
[INFO] [stdout] test aes::tests::test_cfb ... ok
[INFO] [stdout] test aes::tests::test_sub_bytes ... ok
[INFO] [stdout] test aes::tests::test_key_expansion ... ok
[INFO] [stdout] test bigint::tests::test_addition ... ok
[INFO] [stdout] test bigint::tests::test_eq ... ok
[INFO] [stdout] test bigint::tests::from_and_to_octets ... ok
[INFO] [stdout] test bigint::tests::test_multiplication ... ok
[INFO] [stdout] test bigint::tests::test_from_octets ... ok
[INFO] [stdout] test bigint::tests::test_lshift ... ok
[INFO] [stdout] test bigint::tests::test_sub ... ok
[INFO] [stdout] test bigint::tests::test_rem ... ok
[INFO] [stdout] test types::tests::basic_read_var_int ... ok
[INFO] [stdout] test rsa::tests::mod_length_tests ... ok
[INFO] [stdout] test sha1::tests::test_mc_formatting ... ok
[INFO] [stdout] test rsa::tests::build_block_tests ... ok
[INFO] [stdout] test sha1::tests::test_mc_sha1 ... ok
[INFO] [stdout] test der::tests::test_der_jamies_server ... 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 `"docker" "inspect" "e29a872172de810cf86138eca8f449a9cacd8791689bb30d2ecd1abc0677c9a2"`
[INFO] running `"docker" "rm" "-f" "e29a872172de810cf86138eca8f449a9cacd8791689bb30d2ecd1abc0677c9a2"`
[INFO] [stdout] e29a872172de810cf86138eca8f449a9cacd8791689bb30d2ecd1abc0677c9a2