[INFO] fetching crate arbi 0.7.0...
[INFO] testing arbi-0.7.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate arbi 0.7.0 into /workspace/builds/worker-7-tc2/source
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate arbi 0.7.0
[INFO] finished tweaking crates.io crate arbi 0.7.0
[INFO] tweaked toml for crates.io crate arbi 0.7.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate arbi 0.7.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40712bcb03e45743d2000ca2b0a09e22c3205c85aecd46b2e91076b18b662ea3
[INFO] running `Command { std: "docker" "start" "-a" "40712bcb03e45743d2000ca2b0a09e22c3205c85aecd46b2e91076b18b662ea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40712bcb03e45743d2000ca2b0a09e22c3205c85aecd46b2e91076b18b662ea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40712bcb03e45743d2000ca2b0a09e22c3205c85aecd46b2e91076b18b662ea3", kill_on_drop: false }`
[INFO] [stdout] 40712bcb03e45743d2000ca2b0a09e22c3205c85aecd46b2e91076b18b662ea3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba9a68025809e0b8a4bc26dec668421403748be858da020ed0dbd305aaa89167
[INFO] running `Command { std: "docker" "start" "-a" "ba9a68025809e0b8a4bc26dec668421403748be858da020ed0dbd305aaa89167", kill_on_drop: false }`
[INFO] [stderr]    Compiling arbi v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/util/view.rs:45:37
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub(crate) fn as_arbi_like_view(&self) -> ArbiLikeView {
[INFO] [stdout]    |                                     ^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                     |
[INFO] [stdout]    |                                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub(crate) fn as_arbi_like_view(&self) -> ArbiLikeView<'_> {
[INFO] [stdout]    |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.62s
[INFO] running `Command { std: "docker" "inspect" "ba9a68025809e0b8a4bc26dec668421403748be858da020ed0dbd305aaa89167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba9a68025809e0b8a4bc26dec668421403748be858da020ed0dbd305aaa89167", kill_on_drop: false }`
[INFO] [stdout] ba9a68025809e0b8a4bc26dec668421403748be858da020ed0dbd305aaa89167
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f6549853a98fe000bf95bc86e09995c33bc61833a859390bef7c79bc10d046f
[INFO] running `Command { std: "docker" "start" "-a" "4f6549853a98fe000bf95bc86e09995c33bc61833a859390bef7c79bc10d046f", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/util/view.rs:45:37
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub(crate) fn as_arbi_like_view(&self) -> ArbiLikeView {
[INFO] [stdout]    |                                     ^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                     |
[INFO] [stdout]    |                                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub(crate) fn as_arbi_like_view(&self) -> ArbiLikeView<'_> {
[INFO] [stdout]    |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling zerocopy v0.8.27
[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 arbi v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `std`
[INFO] [stdout]    --> src/gcd.rs:265:31
[INFO] [stdout]     |
[INFO] [stdout] 265 |         T: Copy + PartialEq + std::ops::Rem<Output = T> + Default,
[INFO] [stdout]     |                               ^^^ use of unresolved module or unlinked crate `std`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `std`, use `cargo add std` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout] 259 +     use core::ops;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `ops`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 265 -         T: Copy + PartialEq + std::ops::Rem<Output = T> + Default,
[INFO] [stdout] 265 +         T: Copy + PartialEq + ops::Rem<Output = T> + Default,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `std`
[INFO] [stdout]    --> src/gcd.rs:278:32
[INFO] [stdout]     |
[INFO] [stdout] 278 |         T: Copy + PartialOrd + std::ops::Neg<Output = T> + Default,
[INFO] [stdout]     |                                ^^^ use of unresolved module or unlinked crate `std`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `std`, use `cargo add std` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout] 259 +     use core::ops;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `ops`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 278 -         T: Copy + PartialOrd + std::ops::Neg<Output = T> + Default,
[INFO] [stdout] 278 +         T: Copy + PartialOrd + ops::Neg<Output = T> + Default,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `std`
[INFO] [stdout]    --> src/invert.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |             std::mem::swap(&mut old_r, &mut r);
[INFO] [stdout]     |             ^^^ use of unresolved module or unlinked crate `std`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `std`, use `cargo add std` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout]  98 +     use core::mem;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `mem`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 112 -             std::mem::swap(&mut old_r, &mut r);
[INFO] [stdout] 112 +             mem::swap(&mut old_r, &mut r);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `std`
[INFO] [stdout]    --> src/invert.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |             std::mem::swap(&mut old_s, &mut s);
[INFO] [stdout]     |             ^^^ use of unresolved module or unlinked crate `std`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `std`, use `cargo add std` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout]  98 +     use core::mem;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `mem`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 114 -             std::mem::swap(&mut old_s, &mut s);
[INFO] [stdout] 114 +             mem::swap(&mut old_s, &mut s);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `std`
[INFO] [stdout]    --> src/invert.rs:116:13
[INFO] [stdout]     |
[INFO] [stdout] 116 |             std::mem::swap(&mut old_t, &mut t);
[INFO] [stdout]     |             ^^^ use of unresolved module or unlinked crate `std`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `std`, use `cargo add std` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout]  98 +     use core::mem;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `mem`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 116 -             std::mem::swap(&mut old_t, &mut t);
[INFO] [stdout] 116 +             mem::swap(&mut old_t, &mut t);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Vec` in this scope
[INFO] [stdout]    --> src/invert.rs:183:26
[INFO] [stdout]     |
[INFO] [stdout] 183 |         let mut samples: Vec<(i128, i128)> =
[INFO] [stdout]     |                          ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]  98 +     use crate::Vec;
[INFO] [stdout]     |
[INFO] [stdout]  98 +     use alloc::vec::Vec;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Vec`
[INFO] [stdout]    --> src/invert.rs:184:13
[INFO] [stdout]     |
[INFO] [stdout] 184 |             Vec::with_capacity(num_samples * 3);
[INFO] [stdout]     |             ^^^ use of undeclared type `Vec`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]  98 +     use crate::Vec;
[INFO] [stdout]     |
[INFO] [stdout]  98 +     use alloc::vec::Vec;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arbi` (lib test) due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "4f6549853a98fe000bf95bc86e09995c33bc61833a859390bef7c79bc10d046f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f6549853a98fe000bf95bc86e09995c33bc61833a859390bef7c79bc10d046f", kill_on_drop: false }`
[INFO] [stdout] 4f6549853a98fe000bf95bc86e09995c33bc61833a859390bef7c79bc10d046f