[INFO] fetching crate psp 0.1.2...
[INFO] testing psp-0.1.2 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate psp 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate psp 0.1.2 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate psp 0.1.2
[INFO] finished tweaking crates.io crate psp 0.1.2
[INFO] tweaked toml for crates.io crate psp 0.1.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3eb10b6f12af9b2a7a7b0fa546427e823a217e290ccc40e3996c4660aee7be3b
[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" "3eb10b6f12af9b2a7a7b0fa546427e823a217e290ccc40e3996c4660aee7be3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3eb10b6f12af9b2a7a7b0fa546427e823a217e290ccc40e3996c4660aee7be3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eb10b6f12af9b2a7a7b0fa546427e823a217e290ccc40e3996c4660aee7be3b", kill_on_drop: false }`
[INFO] [stdout] 3eb10b6f12af9b2a7a7b0fa546427e823a217e290ccc40e3996c4660aee7be3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bb239c83e45d98480767e6f8a68e8477ab3358a46d80b9e1e7d09b68e1c51e9
[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" "8bb239c83e45d98480767e6f8a68e8477ab3358a46d80b9e1e7d09b68e1c51e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling psp v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling paste v0.1.18
[INFO] [stderr]    Compiling num_enum_derive v0.5.1
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling num_enum v0.5.1
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/test_runner.rs:204:40
[INFO] [stdout]     |
[INFO] [stdout] 204 |                 "Unable to open pipe \"{}\" for output! \
[INFO] [stdout]     |                                        ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(panic_fmt)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 205 |                 You must create it yourself with `mkfifo`.", ...
[INFO] [stdout]     |                                                            ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 204 |                 "{}", "Unable to open pipe \"{}\" for output! \
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.45s
[INFO] running `Command { std: "docker" "inspect" "8bb239c83e45d98480767e6f8a68e8477ab3358a46d80b9e1e7d09b68e1c51e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bb239c83e45d98480767e6f8a68e8477ab3358a46d80b9e1e7d09b68e1c51e9", kill_on_drop: false }`
[INFO] [stdout] 8bb239c83e45d98480767e6f8a68e8477ab3358a46d80b9e1e7d09b68e1c51e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56ea7859db1d14fd5c0e4d0266ec645d39635fe47c4b36335094eb4670020c0d
[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" "56ea7859db1d14fd5c0e4d0266ec645d39635fe47c4b36335094eb4670020c0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling psp v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/test_runner.rs:204:40
[INFO] [stdout]     |
[INFO] [stdout] 204 |                 "Unable to open pipe \"{}\" for output! \
[INFO] [stdout]     |                                        ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(panic_fmt)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 205 |                 You must create it yourself with `mkfifo`.", ...
[INFO] [stdout]     |                                                            ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 204 |                 "{}", "Unable to open pipe \"{}\" for output! \
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `oom`
[INFO] [stdout]   --> src/alloc_impl.rs:59:1
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn aeh(_: Layout) -> ! { loop {} }
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout]    = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-c659455244c9d2ca.so, /opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-c659455244c9d2ca.rlib
[INFO] [stdout]    = note: second definition in the local crate (`psp`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/panic.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn panic(info: &PanicInfo) -> ! {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout]    = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-c659455244c9d2ca.so, /opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-c659455244c9d2ca.rlib
[INFO] [stdout]    = note: second definition in the local crate (`psp`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `psp`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "56ea7859db1d14fd5c0e4d0266ec645d39635fe47c4b36335094eb4670020c0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56ea7859db1d14fd5c0e4d0266ec645d39635fe47c4b36335094eb4670020c0d", kill_on_drop: false }`
[INFO] [stdout] 56ea7859db1d14fd5c0e4d0266ec645d39635fe47c4b36335094eb4670020c0d