[INFO] fetching crate libspecr 0.1.34...
[INFO] testing libspecr-0.1.34 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate libspecr 0.1.34 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate libspecr 0.1.34
[INFO] finished tweaking crates.io crate libspecr 0.1.34
[INFO] tweaked toml for crates.io crate libspecr 0.1.34 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libspecr 0.1.34 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] crate crates.io crate libspecr 0.1.34 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] b9233e8adb1ab7ba949c0d97cfea3c7f4015caaacf0a07ca72e95123e18919a6
[INFO] running `Command { std: "docker" "start" "-a" "b9233e8adb1ab7ba949c0d97cfea3c7f4015caaacf0a07ca72e95123e18919a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9233e8adb1ab7ba949c0d97cfea3c7f4015caaacf0a07ca72e95123e18919a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9233e8adb1ab7ba949c0d97cfea3c7f4015caaacf0a07ca72e95123e18919a6", kill_on_drop: false }`
[INFO] [stdout] b9233e8adb1ab7ba949c0d97cfea3c7f4015caaacf0a07ca72e95123e18919a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 272eb2a59a6190fab837d492f372e80b148006395a89fa3b7afc74652137874c
[INFO] running `Command { std: "docker" "start" "-a" "272eb2a59a6190fab837d492f372e80b148006395a89fa3b7afc74652137874c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling im v15.1.0
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling sized-chunks v0.6.5
[INFO] [stderr]    Compiling gccompat-derive v0.1.2
[INFO] [stderr]    Compiling libspecr v0.1.34 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.30s
[INFO] running `Command { std: "docker" "inspect" "272eb2a59a6190fab837d492f372e80b148006395a89fa3b7afc74652137874c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "272eb2a59a6190fab837d492f372e80b148006395a89fa3b7afc74652137874c", kill_on_drop: false }`
[INFO] [stdout] 272eb2a59a6190fab837d492f372e80b148006395a89fa3b7afc74652137874c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a10efedfffaf69acbacb787ff0dbe002ed976a0261cf8b62d430b6a07b67331b
[INFO] running `Command { std: "docker" "start" "-a" "a10efedfffaf69acbacb787ff0dbe002ed976a0261cf8b62d430b6a07b67331b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libspecr v0.1.34 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "a10efedfffaf69acbacb787ff0dbe002ed976a0261cf8b62d430b6a07b67331b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a10efedfffaf69acbacb787ff0dbe002ed976a0261cf8b62d430b6a07b67331b", kill_on_drop: false }`
[INFO] [stdout] a10efedfffaf69acbacb787ff0dbe002ed976a0261cf8b62d430b6a07b67331b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 901ccbcb25e37cb359524bfc8fa816f7be76b71e99112a70236b9eebc3fe490f
[INFO] running `Command { std: "docker" "start" "-a" "901ccbcb25e37cb359524bfc8fa816f7be76b71e99112a70236b9eebc3fe490f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libspecr-aac27a15a0039bbe)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test int::func::tests::div_euclid ... ok
[INFO] [stdout] test distribution::test_int_distr ... ok
[INFO] [stdout] test endianness::tests::test_endianness_encode ... ok
[INFO] [stdout] test int::func::tests::next_multiple_of ... ok
[INFO] [stdout] test option::option_ext_test ... ok
[INFO] [stdout] test int::func::tests::rem_euclid ... ok
[INFO] [stdout] test int::ops::test::shr ... ok
[INFO] [stdout] test list::func::test_list ... ok
[INFO] [stdout] test ret::monadic_return_test ... ok
[INFO] [stdout] test endianness::tests::test_endianness_decode ... ok
[INFO] [stdout] test int::func::tests::bring_in_bounds ... ok
[INFO] [stdout] test size::test_align_to ... ok
[INFO] [stdout] test endianness::tests::test_endianness_encode_limit ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libspecr
[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" "901ccbcb25e37cb359524bfc8fa816f7be76b71e99112a70236b9eebc3fe490f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "901ccbcb25e37cb359524bfc8fa816f7be76b71e99112a70236b9eebc3fe490f", kill_on_drop: false }`
[INFO] [stdout] 901ccbcb25e37cb359524bfc8fa816f7be76b71e99112a70236b9eebc3fe490f