[INFO] fetching crate utils_nostd 0.1.0...
[INFO] testing utils_nostd-0.1.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate utils_nostd 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate utils_nostd 0.1.0
[INFO] finished tweaking crates.io crate utils_nostd 0.1.0
[INFO] tweaked toml for crates.io crate utils_nostd 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate utils_nostd 0.1.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded data_nostd v0.1.0
[INFO] [stderr]   Downloaded litcrypt2 v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c014b721757da8cfc6d54808d6a0509e3ff55e9236353e63c4292c39fd6678a
[INFO] running `Command { std: "docker" "start" "-a" "2c014b721757da8cfc6d54808d6a0509e3ff55e9236353e63c4292c39fd6678a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c014b721757da8cfc6d54808d6a0509e3ff55e9236353e63c4292c39fd6678a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c014b721757da8cfc6d54808d6a0509e3ff55e9236353e63c4292c39fd6678a", kill_on_drop: false }`
[INFO] [stdout] 2c014b721757da8cfc6d54808d6a0509e3ff55e9236353e63c4292c39fd6678a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56607169b87b149f1e86f3bd89e059a78adda94a6992b357f4ae396d496b67ed
[INFO] running `Command { std: "docker" "start" "-a" "56607169b87b149f1e86f3bd89e059a78adda94a6992b357f4ae396d496b67ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling litcrypt2 v0.1.3
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling data_nostd v0.1.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling utils_nostd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.01s
[INFO] running `Command { std: "docker" "inspect" "56607169b87b149f1e86f3bd89e059a78adda94a6992b357f4ae396d496b67ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56607169b87b149f1e86f3bd89e059a78adda94a6992b357f4ae396d496b67ed", kill_on_drop: false }`
[INFO] [stdout] 56607169b87b149f1e86f3bd89e059a78adda94a6992b357f4ae396d496b67ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e09cf2fc4dcdf136549372fca43b0173fbad8b9460849bcaf0fea69cc17a6ef1
[INFO] running `Command { std: "docker" "start" "-a" "e09cf2fc4dcdf136549372fca43b0173fbad8b9460849bcaf0fea69cc17a6ef1", kill_on_drop: false }`
[INFO] [stderr]    Compiling utils_nostd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: duplicate lang item in crate `std` (which `test` depends on): `panic_impl`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the lang item is first defined in crate `data_nostd` (which `utils_nostd` depends on)
[INFO] [stdout]   = note: first definition in `data_nostd` loaded from /opt/rustwide/target/debug/deps/libdata_nostd-1c156e3799259111.rlib
[INFO] [stdout]   = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-689ca45c0c8af91f.so, /opt/rustwide/rustup-home/toolchains/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-689ca45c0c8af91f.rlib
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `utils_nostd` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "e09cf2fc4dcdf136549372fca43b0173fbad8b9460849bcaf0fea69cc17a6ef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e09cf2fc4dcdf136549372fca43b0173fbad8b9460849bcaf0fea69cc17a6ef1", kill_on_drop: false }`
[INFO] [stdout] e09cf2fc4dcdf136549372fca43b0173fbad8b9460849bcaf0fea69cc17a6ef1