[INFO] fetching crate mcrw 0.4.0...
[INFO] testing mcrw-0.4.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate mcrw 0.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate mcrw 0.4.0
[INFO] finished tweaking crates.io crate mcrw 0.4.0
[INFO] tweaked toml for crates.io crate mcrw 0.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mcrw 0.4.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 19 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18fddbab21f9a7db861b987136ff38fa70c6560c17577619fc1da0cd9dc5072b
[INFO] running `Command { std: "docker" "start" "-a" "18fddbab21f9a7db861b987136ff38fa70c6560c17577619fc1da0cd9dc5072b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18fddbab21f9a7db861b987136ff38fa70c6560c17577619fc1da0cd9dc5072b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18fddbab21f9a7db861b987136ff38fa70c6560c17577619fc1da0cd9dc5072b", kill_on_drop: false }`
[INFO] [stdout] 18fddbab21f9a7db861b987136ff38fa70c6560c17577619fc1da0cd9dc5072b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00b2a3a3b7aad98a7d6bb7f472948635d7a57fa4fe8fbb4acd1df531ecab0e37
[INFO] running `Command { std: "docker" "start" "-a" "00b2a3a3b7aad98a7d6bb7f472948635d7a57fa4fe8fbb4acd1df531ecab0e37", kill_on_drop: false }`
[INFO] [stderr]    Compiling mcrw v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "00b2a3a3b7aad98a7d6bb7f472948635d7a57fa4fe8fbb4acd1df531ecab0e37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00b2a3a3b7aad98a7d6bb7f472948635d7a57fa4fe8fbb4acd1df531ecab0e37", kill_on_drop: false }`
[INFO] [stdout] 00b2a3a3b7aad98a7d6bb7f472948635d7a57fa4fe8fbb4acd1df531ecab0e37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02869d86e2bebbf2a8e5567e335f23b0182cb251f6f440f1543f43c7e1536c1e
[INFO] running `Command { std: "docker" "start" "-a" "02869d86e2bebbf2a8e5567e335f23b0182cb251f6f440f1543f43c7e1536c1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling quickcheck_macros v1.1.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling regex v1.11.2
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling quickcheck v1.0.3
[INFO] [stderr]    Compiling mcrw v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.18s
[INFO] running `Command { std: "docker" "inspect" "02869d86e2bebbf2a8e5567e335f23b0182cb251f6f440f1543f43c7e1536c1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02869d86e2bebbf2a8e5567e335f23b0182cb251f6f440f1543f43c7e1536c1e", kill_on_drop: false }`
[INFO] [stdout] 02869d86e2bebbf2a8e5567e335f23b0182cb251f6f440f1543f43c7e1536c1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d5f65b3dfd7750b04a6fd2dc846e3f4f559f2c0b67aa93b4f5b5deb4c6d77517
[INFO] running `Command { std: "docker" "start" "-a" "d5f65b3dfd7750b04a6fd2dc846e3f4f559f2c0b67aa93b4f5b5deb4c6d77517", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mcrw-b084757138303bd8)
[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] [stderr]      Running tests/read_tests.rs (/opt/rustwide/target/debug/deps/read_tests-33ce08a401020183)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test read_bool_false ... ok
[INFO] [stdout] test read_var_int1 ... ok
[INFO] [stdout] test read_bool_true ... ok
[INFO] [stdout] test read_var_int5 ... ok
[INFO] [stdout] test read_var_int8 ... ok
[INFO] [stdout] test read_var_int2 ... ok
[INFO] [stdout] test read_var_int3 ... ok
[INFO] [stdout] test read_var_long1 ... ok
[INFO] [stdout] test read_var_int6 ... ok
[INFO] [stdout] test read_var_int4 ... ok
[INFO] [stdout] test read_var_long0 ... ok
[INFO] [stdout] test read_var_long3 ... ok
[INFO] [stdout] test read_var_long6 ... ok
[INFO] [stdout] test read_var_long8 ... ok
[INFO] [stdout] test read_var_long4 ... ok
[INFO] [stdout] test read_var_long2 ... ok
[INFO] [stdout] test read_var_int0 ... ok
[INFO] [stdout] test read_bool_invalid ... ok
[INFO] [stdout] test read_var_long5 ... ok
[INFO] [stdout] test read_var_long9 ... ok
[INFO] [stdout] test read_var_long7 ... ok
[INFO] [stdout] test read_var_long10 ... ok
[INFO] [stdout] test read_var_int7 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/roundtrip_tests.rs (/opt/rustwide/target/debug/deps/roundtrip_tests-adbf54005fbe41c6)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test write_position_min ... ok
[INFO] [stdout] test write_position_negative ... ok
[INFO] [stdout] test write_position_roundtrip ... 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] [stderr]      Running tests/var_size_tests.rs (/opt/rustwide/target/debug/deps/var_size_tests-a34fb68775db8466)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test var_int_size0 ... ok
[INFO] [stdout] test var_int_size4 ... ok
[INFO] [stdout] test var_int_size5 ... ok
[INFO] [stdout] test var_int_size1 ... ok
[INFO] [stdout] test var_int_size3 ... ok
[INFO] [stdout] test var_int_size6 ... ok
[INFO] [stdout] test var_int_size7 ... ok
[INFO] [stdout] test var_int_size2 ... ok
[INFO] [stdout] test var_int_size8 ... ok
[INFO] [stdout] test var_long_size0 ... ok
[INFO] [stdout] test var_long_size1 ... ok
[INFO] [stdout] test var_long_size10 ... ok
[INFO] [stdout] test var_long_size3 ... ok
[INFO] [stdout] test var_long_size4 ... ok
[INFO] [stdout] test var_long_size5 ... ok
[INFO] [stdout] test var_long_size2 ... ok
[INFO] [stdout] test var_long_size9 ... ok
[INFO] [stdout] test var_long_size6 ... ok
[INFO] [stdout] test var_long_size7 ... ok
[INFO] [stdout] test var_long_size8 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/write_tests.rs (/opt/rustwide/target/debug/deps/write_tests-f0076251284dce78)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test write_bool_false ... ok
[INFO] [stderr]    Doc-tests mcrw
[INFO] [stdout] test write_bool_true ... ok
[INFO] [stdout] test write_var_int1 ... ok
[INFO] [stdout] test write_var_int0 ... ok
[INFO] [stdout] test write_var_int2 ... ok
[INFO] [stdout] test write_var_int4 ... ok
[INFO] [stdout] test write_var_int5 ... ok
[INFO] [stdout] test write_var_int3 ... ok
[INFO] [stdout] test write_var_int6 ... ok
[INFO] [stdout] test write_var_int8 ... ok
[INFO] [stdout] test write_var_long1 ... ok
[INFO] [stdout] test write_var_long0 ... ok
[INFO] [stdout] test write_var_long10 ... ok
[INFO] [stdout] test write_var_long3 ... ok
[INFO] [stdout] test write_var_long4 ... ok
[INFO] [stdout] test write_var_long6 ... ok
[INFO] [stdout] test write_var_long8 ... ok
[INFO] [stdout] test write_var_long2 ... ok
[INFO] [stdout] test write_var_long5 ... ok
[INFO] [stdout] test write_var_long7 ... ok
[INFO] [stdout] test write_var_long9 ... ok
[INFO] [stdout] test write_var_int7 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - MCWriteExt (line 151) ... ok
[INFO] [stdout] test src/lib.rs - MCReadExt (line 43) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d5f65b3dfd7750b04a6fd2dc846e3f4f559f2c0b67aa93b4f5b5deb4c6d77517", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5f65b3dfd7750b04a6fd2dc846e3f4f559f2c0b67aa93b4f5b5deb4c6d77517", kill_on_drop: false }`
[INFO] [stdout] d5f65b3dfd7750b04a6fd2dc846e3f4f559f2c0b67aa93b4f5b5deb4c6d77517