[INFO] fetching crate ssa 0.1.2...
[INFO] checking ssa-0.1.2 against master#042c759f774872cf2f94c6685ce87e24c046c722 for pr-156977
[INFO] extracting crate ssa 0.1.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate ssa 0.1.2
[INFO] finished tweaking crates.io crate ssa 0.1.2
[INFO] tweaked toml for crates.io crate ssa 0.1.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ssa 0.1.2 on toolchain 042c759f774872cf2f94c6685ce87e24c046c722
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+042c759f774872cf2f94c6685ce87e24c046c722" "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" "+042c759f774872cf2f94c6685ce87e24c046c722" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 188 packages to latest compatible versions
[INFO] [stderr]       Adding json v0.11.15 (available: v0.12.4)
[INFO] [stderr]       Adding reqwest v0.9.24 (available: v0.13.4)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+042c759f774872cf2f94c6685ce87e24c046c722" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded json v0.11.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5008aafd4afb6a7be6bfbecb6716bb2d7732515883477ca2da2d3eca849629a9
[INFO] running `Command { std: "docker" "start" "5008aafd4afb6a7be6bfbecb6716bb2d7732515883477ca2da2d3eca849629a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5008aafd4afb6a7be6bfbecb6716bb2d7732515883477ca2da2d3eca849629a9" "/opt/rustwide/cargo-home/bin/cargo" "+042c759f774872cf2f94c6685ce87e24c046c722" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5008aafd4afb6a7be6bfbecb6716bb2d7732515883477ca2da2d3eca849629a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5008aafd4afb6a7be6bfbecb6716bb2d7732515883477ca2da2d3eca849629a9" "/opt/rustwide/cargo-home/bin/cargo" "+042c759f774872cf2f94c6685ce87e24c046c722" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking log v0.4.32
[INFO] [stderr]     Checking object v0.37.3
[INFO] [stderr]     Checking json v0.11.15
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking native-tls v0.2.18
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking hyper v0.12.36
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking ssa v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/cfg/graph.rs:326:19
[INFO] [stdout]     |
[INFO] [stdout] 326 |     pub fn update(&mut self) -> &BlockNode {
[INFO] [stdout]     |                   ^^^^^^^^^     ^^^^^^^^^^
[INFO] [stdout]     |                   |             ||
[INFO] [stdout]     |                   |             |the same lifetime is hidden here
[INFO] [stdout]     |                   |             the same lifetime is elided here
[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] 326 |     pub fn update(&mut self) -> &BlockNode<'_> {
[INFO] [stdout]     |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/cfg/graph.rs:326:19
[INFO] [stdout]     |
[INFO] [stdout] 326 |     pub fn update(&mut self) -> &BlockNode {
[INFO] [stdout]     |                   ^^^^^^^^^     ^^^^^^^^^^
[INFO] [stdout]     |                   |             ||
[INFO] [stdout]     |                   |             |the same lifetime is hidden here
[INFO] [stdout]     |                   |             the same lifetime is elided here
[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] 326 |     pub fn update(&mut self) -> &BlockNode<'_> {
[INFO] [stdout]     |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/cfg/flow.rs:341:21
[INFO] [stdout]     |
[INFO] [stdout] 341 |     pub fn start_at(&mut self, entry_id: u32) -> Option<State> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 341 |     pub fn start_at(&mut self, entry_id: u32) -> Option<State<'_>> {
[INFO] [stdout]     |                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/cfg/flow.rs:341:21
[INFO] [stdout]     |
[INFO] [stdout] 341 |     pub fn start_at(&mut self, entry_id: u32) -> Option<State> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 341 |     pub fn start_at(&mut self, entry_id: u32) -> Option<State<'_>> {
[INFO] [stdout]     |                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/core/dict.rs:69:19
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn lookup(&self, id: u32) -> Option<&Walker> {
[INFO] [stdout]    |                   ^^^^^                     ^^^^^^^
[INFO] [stdout]    |                   |                         ||
[INFO] [stdout]    |                   |                         |the same lifetime is hidden here
[INFO] [stdout]    |                   |                         the same lifetime is elided here
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn lookup(&self, id: u32) -> Option<&Walker<'_>> {
[INFO] [stdout]    |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/core/dict.rs:69:19
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn lookup(&self, id: u32) -> Option<&Walker> {
[INFO] [stdout]    |                   ^^^^^                     ^^^^^^^
[INFO] [stdout]    |                   |                         ||
[INFO] [stdout]    |                   |                         |the same lifetime is hidden here
[INFO] [stdout]    |                   |                         the same lifetime is elided here
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn lookup(&self, id: u32) -> Option<&Walker<'_>> {
[INFO] [stdout]    |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/core/dict.rs:74:26
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn lookup_states(&self, id: u32) -> Vec<&Walker> {
[INFO] [stdout]    |                          ^^^^^                  ^^^^^^^
[INFO] [stdout]    |                          |                      ||
[INFO] [stdout]    |                          |                      |the same lifetime is hidden here
[INFO] [stdout]    |                          |                      the same lifetime is elided here
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn lookup_states(&self, id: u32) -> Vec<&Walker<'_>> {
[INFO] [stdout]    |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/core/dict.rs:74:26
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn lookup_states(&self, id: u32) -> Vec<&Walker> {
[INFO] [stdout]    |                          ^^^^^                  ^^^^^^^
[INFO] [stdout]    |                          |                      ||
[INFO] [stdout]    |                          |                      |the same lifetime is hidden here
[INFO] [stdout]    |                          |                      the same lifetime is elided here
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn lookup_states(&self, id: u32) -> Vec<&Walker<'_>> {
[INFO] [stdout]    |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/loader/solidity.rs:72:35
[INFO] [stdout]    |
[INFO] [stdout] 72 |         assert!(status.success(), String::from_utf8(stderr).unwrap());
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 72 |         assert!(status.success(), "{}", String::from_utf8(stderr).unwrap());
[INFO] [stdout]    |                                   +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/loader/solidity.rs:72:35
[INFO] [stdout]    |
[INFO] [stdout] 72 |         assert!(status.success(), String::from_utf8(stderr).unwrap());
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 72 |         assert!(status.success(), "{}", String::from_utf8(stderr).unwrap());
[INFO] [stdout]    |                                   +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.36s
[INFO] running `Command { std: "docker" "inspect" "5008aafd4afb6a7be6bfbecb6716bb2d7732515883477ca2da2d3eca849629a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5008aafd4afb6a7be6bfbecb6716bb2d7732515883477ca2da2d3eca849629a9", kill_on_drop: false }`
[INFO] [stdout] 5008aafd4afb6a7be6bfbecb6716bb2d7732515883477ca2da2d3eca849629a9
