[INFO] fetching crate neptune-lang 0.1.3...
[INFO] checking neptune-lang-0.1.3 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate neptune-lang 0.1.3 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate neptune-lang 0.1.3 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate neptune-lang 0.1.3
[INFO] finished tweaking crates.io crate neptune-lang 0.1.3
[INFO] tweaked toml for crates.io crate neptune-lang 0.1.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 77 packages to latest compatible versions
[INFO] [stderr]       Adding num_enum v0.5.11 (latest: v0.7.3)
[INFO] [stderr]       Adding num_enum_derive v0.5.11 (latest: v0.7.3)
[INFO] [stderr]       Adding phf v0.10.1 (latest: v0.11.2)
[INFO] [stderr]       Adding phf_generator v0.10.0 (latest: v0.11.2)
[INFO] [stderr]       Adding phf_macros v0.10.0 (latest: v0.11.2)
[INFO] [stderr]       Adding phf_shared v0.10.0 (latest: v0.11.2)
[INFO] [stderr]       Adding proc-macro-crate v1.3.1 (latest: v3.2.0)
[INFO] [stderr]       Adding siphasher v0.3.11 (latest: v1.0.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] [stderr]       Adding toml_edit v0.19.15 (latest: v0.22.20)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding winnow v0.5.40 (latest: v0.6.18)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parse_int v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17ed13a652b9372ad0ef0780f48c579a2db6fa4d30f6084871e1cca70eb7262b
[INFO] running `Command { std: "docker" "start" "-a" "17ed13a652b9372ad0ef0780f48c579a2db6fa4d30f6084871e1cca70eb7262b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17ed13a652b9372ad0ef0780f48c579a2db6fa4d30f6084871e1cca70eb7262b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17ed13a652b9372ad0ef0780f48c579a2db6fa4d30f6084871e1cca70eb7262b", kill_on_drop: false }`
[INFO] [stdout] 17ed13a652b9372ad0ef0780f48c579a2db6fa4d30f6084871e1cca70eb7262b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 194c2caceb4f3fcabf21b53ec37e3a1e948574d9b44fc36000aa195cc37f20df
[INFO] running `Command { std: "docker" "start" "-a" "194c2caceb4f3fcabf21b53ec37e3a1e948574d9b44fc36000aa195cc37f20df", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling scratch v1.0.7
[INFO] [stderr]    Compiling link-cplusplus v1.0.9
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.128
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling unicode-width v0.1.13
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling cxx v1.0.128
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]     Checking parse_int v0.6.0
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling cxx-build v1.0.128
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]    Compiling cxxbridge-macro v1.0.128
[INFO] [stderr]     Checking num_enum v0.5.11
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling neptune-lang v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling phf_macros v0.10.0
[INFO] [stderr]     Checking serde v1.0.209
[INFO] [stderr]     Checking phf v0.10.1
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking serde_json v1.0.127
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/vm.rs:512:5
[INFO] [stdout]     |
[INFO] [stdout] 512 |     Box::from_raw(data as *mut F);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 512 |     let _ = Box::from_raw(data as *mut F);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/vm.rs:512:5
[INFO] [stdout]     |
[INFO] [stdout] 512 |     Box::from_raw(data as *mut F);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 512 |     let _ = Box::from_raw(data as *mut F);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.66s
[INFO] running `Command { std: "docker" "inspect" "194c2caceb4f3fcabf21b53ec37e3a1e948574d9b44fc36000aa195cc37f20df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "194c2caceb4f3fcabf21b53ec37e3a1e948574d9b44fc36000aa195cc37f20df", kill_on_drop: false }`
[INFO] [stdout] 194c2caceb4f3fcabf21b53ec37e3a1e948574d9b44fc36000aa195cc37f20df
[INFO] checking neptune-lang-0.1.3 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate neptune-lang 0.1.3 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate neptune-lang 0.1.3 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate neptune-lang 0.1.3
[INFO] finished tweaking crates.io crate neptune-lang 0.1.3
[INFO] tweaked toml for crates.io crate neptune-lang 0.1.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 77 packages to latest compatible versions
[INFO] [stderr]       Adding num_enum v0.5.11 (latest: v0.7.3)
[INFO] [stderr]       Adding num_enum_derive v0.5.11 (latest: v0.7.3)
[INFO] [stderr]       Adding phf v0.10.1 (latest: v0.11.2)
[INFO] [stderr]       Adding phf_generator v0.10.0 (latest: v0.11.2)
[INFO] [stderr]       Adding phf_macros v0.10.0 (latest: v0.11.2)
[INFO] [stderr]       Adding phf_shared v0.10.0 (latest: v0.11.2)
[INFO] [stderr]       Adding proc-macro-crate v1.3.1 (latest: v3.2.0)
[INFO] [stderr]       Adding siphasher v0.3.11 (latest: v1.0.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] [stderr]       Adding toml_edit v0.19.15 (latest: v0.22.20)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding winnow v0.5.40 (latest: v0.6.18)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16f3cd23fad2cf46811134b33f53946463909f9e2e7471bf306e1ed2c3e8e9da
[INFO] running `Command { std: "docker" "start" "-a" "16f3cd23fad2cf46811134b33f53946463909f9e2e7471bf306e1ed2c3e8e9da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16f3cd23fad2cf46811134b33f53946463909f9e2e7471bf306e1ed2c3e8e9da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16f3cd23fad2cf46811134b33f53946463909f9e2e7471bf306e1ed2c3e8e9da", kill_on_drop: false }`
[INFO] [stdout] 16f3cd23fad2cf46811134b33f53946463909f9e2e7471bf306e1ed2c3e8e9da
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44aa8581580e2f04afa11f032aee44116d8e63b33c6f85ac354fbde5533a1f86
[INFO] running `Command { std: "docker" "start" "-a" "44aa8581580e2f04afa11f032aee44116d8e63b33c6f85ac354fbde5533a1f86", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling scratch v1.0.7
[INFO] [stderr]    Compiling link-cplusplus v1.0.9
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.128
[INFO] [stderr]    Compiling unicode-width v0.1.13
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling cxx v1.0.128
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]     Checking parse_int v0.6.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling cxx-build v1.0.128
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]    Compiling cxxbridge-macro v1.0.128
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]     Checking num_enum v0.5.11
[INFO] [stderr]    Compiling neptune-lang v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling phf_macros v0.10.0
[INFO] [stderr]     Checking serde v1.0.209
[INFO] [stderr]     Checking phf v0.10.1
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking serde_json v1.0.127
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/vm.rs:512:5
[INFO] [stdout]     |
[INFO] [stdout] 512 |     Box::from_raw(data as *mut F);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 512 |     let _ = Box::from_raw(data as *mut F);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/vm.rs:512:5
[INFO] [stdout]     |
[INFO] [stdout] 512 |     Box::from_raw(data as *mut F);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 512 |     let _ = Box::from_raw(data as *mut F);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.69s
[INFO] running `Command { std: "docker" "inspect" "44aa8581580e2f04afa11f032aee44116d8e63b33c6f85ac354fbde5533a1f86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44aa8581580e2f04afa11f032aee44116d8e63b33c6f85ac354fbde5533a1f86", kill_on_drop: false }`
[INFO] [stdout] 44aa8581580e2f04afa11f032aee44116d8e63b33c6f85ac354fbde5533a1f86