[INFO] fetching crate iron_torch 0.1.18...
[INFO] testing iron_torch-0.1.18 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate iron_torch 0.1.18 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate iron_torch 0.1.18
[INFO] finished tweaking crates.io crate iron_torch 0.1.18
[INFO] tweaked toml for crates.io crate iron_torch 0.1.18 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate iron_torch 0.1.18 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]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 24a5935c9fe4fa35f11a74b65235fc5f35e4f0f9e18c14a77f9ed4ccf1fb6c9b
[INFO] running `Command { std: "docker" "start" "-a" "24a5935c9fe4fa35f11a74b65235fc5f35e4f0f9e18c14a77f9ed4ccf1fb6c9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24a5935c9fe4fa35f11a74b65235fc5f35e4f0f9e18c14a77f9ed4ccf1fb6c9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24a5935c9fe4fa35f11a74b65235fc5f35e4f0f9e18c14a77f9ed4ccf1fb6c9b", kill_on_drop: false }`
[INFO] [stdout] 24a5935c9fe4fa35f11a74b65235fc5f35e4f0f9e18c14a77f9ed4ccf1fb6c9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b00184c60f11d689709b8e01643ea3a3a20d74d4534067f230caf7cdb095ad05
[INFO] running `Command { std: "docker" "start" "-a" "b00184c60f11d689709b8e01643ea3a3a20d74d4534067f230caf7cdb095ad05", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling iron_torch v0.1.18 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/iron_torch/mod.rs:12:102
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new<'a>(input_size: usize, output_size: usize, activation: activation::Activation<'a>) -> Layer {
[INFO] [stdout]    |                                                                                              --      ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                                                                              |
[INFO] [stdout]    |                                                                                              the lifetime is named 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new<'a>(input_size: usize, output_size: usize, activation: activation::Activation<'a>) -> Layer<'a> {
[INFO] [stdout]    |                                                                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `Command { std: "docker" "inspect" "b00184c60f11d689709b8e01643ea3a3a20d74d4534067f230caf7cdb095ad05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b00184c60f11d689709b8e01643ea3a3a20d74d4534067f230caf7cdb095ad05", kill_on_drop: false }`
[INFO] [stdout] b00184c60f11d689709b8e01643ea3a3a20d74d4534067f230caf7cdb095ad05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 516f298be8fe94053711fe4680d9d605a611ec7d4afbe0d7bfd1f12686dcd727
[INFO] running `Command { std: "docker" "start" "-a" "516f298be8fe94053711fe4680d9d605a611ec7d4afbe0d7bfd1f12686dcd727", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/iron_torch/mod.rs:12:102
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new<'a>(input_size: usize, output_size: usize, activation: activation::Activation<'a>) -> Layer {
[INFO] [stdout]    |                                                                                              --      ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                                                                              |
[INFO] [stdout]    |                                                                                              the lifetime is named 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new<'a>(input_size: usize, output_size: usize, activation: activation::Activation<'a>) -> Layer<'a> {
[INFO] [stdout]    |                                                                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling iron_torch v0.1.18 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/iron_torch/mod.rs:12:102
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new<'a>(input_size: usize, output_size: usize, activation: activation::Activation<'a>) -> Layer {
[INFO] [stdout]    |                                                                                              --      ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                                                                              |
[INFO] [stdout]    |                                                                                              the lifetime is named 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new<'a>(input_size: usize, output_size: usize, activation: activation::Activation<'a>) -> Layer<'a> {
[INFO] [stdout]    |                                                                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "516f298be8fe94053711fe4680d9d605a611ec7d4afbe0d7bfd1f12686dcd727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "516f298be8fe94053711fe4680d9d605a611ec7d4afbe0d7bfd1f12686dcd727", kill_on_drop: false }`
[INFO] [stdout] 516f298be8fe94053711fe4680d9d605a611ec7d4afbe0d7bfd1f12686dcd727
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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", kill_on_drop: false }`
[INFO] [stdout] 5609bbc9b7c2e117660e55dedbde234a53ba687989c7e2753ce4190fcc039cd1
[INFO] running `Command { std: "docker" "start" "-a" "5609bbc9b7c2e117660e55dedbde234a53ba687989c7e2753ce4190fcc039cd1", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/iron_torch/mod.rs:12:102
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new<'a>(input_size: usize, output_size: usize, activation: activation::Activation<'a>) -> Layer {
[INFO] [stderr]    |                                                                                              --      ^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                                                                                              |
[INFO] [stderr]    |                                                                                              the lifetime is named here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new<'a>(input_size: usize, output_size: usize, activation: activation::Activation<'a>) -> Layer<'a> {
[INFO] [stderr]    |                                                                                                           ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `iron_torch` (lib) generated 1 warning (run `cargo fix --lib -p iron_torch` to apply 1 suggestion)
[INFO] [stderr] warning: `iron_torch` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/iron_torch-1a4930dffbb5fa47)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iron_torch
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5609bbc9b7c2e117660e55dedbde234a53ba687989c7e2753ce4190fcc039cd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5609bbc9b7c2e117660e55dedbde234a53ba687989c7e2753ce4190fcc039cd1", kill_on_drop: false }`
[INFO] [stdout] 5609bbc9b7c2e117660e55dedbde234a53ba687989c7e2753ce4190fcc039cd1
