[INFO] cloning repository https://github.com/Bobxcat/unsafe_safe [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bobxcat/unsafe_safe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBobxcat%2Funsafe_safe", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBobxcat%2Funsafe_safe'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 77114513c760cf8499c8f4a0f44082f0e95924a1 [INFO] checking Bobxcat/unsafe_safe against master#e08b80c0fb7667bdcd040761891701e576c42ec8 for pr-129021-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBobxcat%2Funsafe_safe" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Bobxcat/unsafe_safe on toolchain e08b80c0fb7667bdcd040761891701e576c42ec8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e08b80c0fb7667bdcd040761891701e576c42ec8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Bobxcat/unsafe_safe [INFO] finished tweaking git repo https://github.com/Bobxcat/unsafe_safe [INFO] tweaked toml for git repo https://github.com/Bobxcat/unsafe_safe written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Bobxcat/unsafe_safe 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" "+e08b80c0fb7667bdcd040761891701e576c42ec8" "fetch" "--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] Downloading crates ... [INFO] [stderr] Downloaded wasi v0.11.0+wasi-snapshot-preview1 [INFO] [stderr] Downloaded rand_chacha v0.3.1 [INFO] [stderr] Downloaded rand_core v0.6.4 [INFO] [stderr] Downloaded ppv-lite86 v0.2.17 [INFO] [stderr] Downloaded cfg-if v1.0.0 [INFO] [stderr] Downloaded getrandom v0.2.12 [INFO] [stderr] Downloaded rand v0.8.5 [INFO] [stderr] Downloaded libc v0.2.153 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+e08b80c0fb7667bdcd040761891701e576c42ec8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d2ef47e56701c78c1076168376a635a56eb40e52e2173ef0b28d61473c1d61f1 [INFO] running `Command { std: "docker" "start" "-a" "d2ef47e56701c78c1076168376a635a56eb40e52e2173ef0b28d61473c1d61f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d2ef47e56701c78c1076168376a635a56eb40e52e2173ef0b28d61473c1d61f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d2ef47e56701c78c1076168376a635a56eb40e52e2173ef0b28d61473c1d61f1", kill_on_drop: false }` [INFO] [stdout] d2ef47e56701c78c1076168376a635a56eb40e52e2173ef0b28d61473c1d61f1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+e08b80c0fb7667bdcd040761891701e576c42ec8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d5cbc2314f537cb1adb42118fc853333eb0986f9fe0501b801b2ec1e2e09d780 [INFO] running `Command { std: "docker" "start" "-a" "d5cbc2314f537cb1adb42118fc853333eb0986f9fe0501b801b2ec1e2e09d780", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking unsafe_safe v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/transmute.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | Foo(Option>), [INFO] [stdout] | --- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 6 | Foo(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/transmute.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | Foo(Option>), [INFO] [stdout] | --- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 6 | Foo(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.07s [INFO] running `Command { std: "docker" "inspect" "d5cbc2314f537cb1adb42118fc853333eb0986f9fe0501b801b2ec1e2e09d780", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d5cbc2314f537cb1adb42118fc853333eb0986f9fe0501b801b2ec1e2e09d780", kill_on_drop: false }` [INFO] [stdout] d5cbc2314f537cb1adb42118fc853333eb0986f9fe0501b801b2ec1e2e09d780 [INFO] checking Bobxcat/unsafe_safe against try#f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5 for pr-129021-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBobxcat%2Funsafe_safe" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Bobxcat/unsafe_safe on toolchain f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Bobxcat/unsafe_safe [INFO] finished tweaking git repo https://github.com/Bobxcat/unsafe_safe [INFO] tweaked toml for git repo https://github.com/Bobxcat/unsafe_safe written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Bobxcat/unsafe_safe 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" "+f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b3af689c4725f0d344354e11c202565f4422cbbc3caea17cb30983f842ea64ac [INFO] running `Command { std: "docker" "start" "-a" "b3af689c4725f0d344354e11c202565f4422cbbc3caea17cb30983f842ea64ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b3af689c4725f0d344354e11c202565f4422cbbc3caea17cb30983f842ea64ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b3af689c4725f0d344354e11c202565f4422cbbc3caea17cb30983f842ea64ac", kill_on_drop: false }` [INFO] [stdout] b3af689c4725f0d344354e11c202565f4422cbbc3caea17cb30983f842ea64ac [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f2b9d644c2275b5117529d9861c679ed04f03ce313ad8008781cf5284153c85d [INFO] running `Command { std: "docker" "start" "-a" "f2b9d644c2275b5117529d9861c679ed04f03ce313ad8008781cf5284153c85d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking unsafe_safe v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: lifetime may not live long enough [INFO] [stdout] --> src/extend_lifetime.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn extend_lifetime<'a, 'b, T: ?Sized>(data: &'a T) -> &'b T { [INFO] [stdout] | -- -- lifetime `'b` defined here [INFO] [stdout] | | [INFO] [stdout] | lifetime `'a` defined here [INFO] [stdout] 9 | let w: fn(&'a T, &'static &'static ()) -> &'b T = nothing_strange_here; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type annotation requires that `'a` must outlive `'b` [INFO] [stdout] | [INFO] [stdout] = help: consider adding the following bound: `'a: 'b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: lifetime may not live long enough [INFO] [stdout] --> src/extend_lifetime.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn extend_lifetime_mut<'a, 'b, T: ?Sized>(data: &'a mut T) -> &'b mut T { [INFO] [stdout] | -- -- lifetime `'b` defined here [INFO] [stdout] | | [INFO] [stdout] | lifetime `'a` defined here [INFO] [stdout] 25 | let w: fn(&'a mut T, &'static &'static ()) -> &'b mut T = nothing_strange_here_mut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type annotation requires that `'a` must outlive `'b` [INFO] [stdout] | [INFO] [stdout] = help: consider adding the following bound: `'a: 'b` [INFO] [stdout] = note: requirement occurs because of a mutable reference to `T` [INFO] [stdout] = note: mutable references are invariant over their type parameter [INFO] [stdout] = help: see for more information about variance [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `unsafe_safe` (bin "unsafe_safe") due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: lifetime may not live long enough [INFO] [stdout] --> src/extend_lifetime.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn extend_lifetime<'a, 'b, T: ?Sized>(data: &'a T) -> &'b T { [INFO] [stdout] | -- -- lifetime `'b` defined here [INFO] [stdout] | | [INFO] [stdout] | lifetime `'a` defined here [INFO] [stdout] 9 | let w: fn(&'a T, &'static &'static ()) -> &'b T = nothing_strange_here; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type annotation requires that `'a` must outlive `'b` [INFO] [stdout] | [INFO] [stdout] = help: consider adding the following bound: `'a: 'b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: lifetime may not live long enough [INFO] [stdout] --> src/extend_lifetime.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn extend_lifetime_mut<'a, 'b, T: ?Sized>(data: &'a mut T) -> &'b mut T { [INFO] [stdout] | -- -- lifetime `'b` defined here [INFO] [stdout] | | [INFO] [stdout] | lifetime `'a` defined here [INFO] [stdout] 25 | let w: fn(&'a mut T, &'static &'static ()) -> &'b mut T = nothing_strange_here_mut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type annotation requires that `'a` must outlive `'b` [INFO] [stdout] | [INFO] [stdout] = help: consider adding the following bound: `'a: 'b` [INFO] [stdout] = note: requirement occurs because of a mutable reference to `T` [INFO] [stdout] = note: mutable references are invariant over their type parameter [INFO] [stdout] = help: see for more information about variance [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `unsafe_safe` (bin "unsafe_safe" test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "f2b9d644c2275b5117529d9861c679ed04f03ce313ad8008781cf5284153c85d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2b9d644c2275b5117529d9861c679ed04f03ce313ad8008781cf5284153c85d", kill_on_drop: false }` [INFO] [stdout] f2b9d644c2275b5117529d9861c679ed04f03ce313ad8008781cf5284153c85d