[INFO] fetching crate ssa 0.1.2...
[INFO] checking ssa-0.1.2 against try#45b14c26f76a39a9945ef8518d3276f1bc880008 for pr-113242
[INFO] extracting crate ssa 0.1.2 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate ssa 0.1.2 on toolchain 45b14c26f76a39a9945ef8518d3276f1bc880008
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+45b14c26f76a39a9945ef8518d3276f1bc880008" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+45b14c26f76a39a9945ef8518d3276f1bc880008" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+45b14c26f76a39a9945ef8518d3276f1bc880008" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+45b14c26f76a39a9945ef8518d3276f1bc880008" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b0519db00a7107701a2879a9bb96ecc5367b14f00caeab92fa15a7131c7d1b3
[INFO] running `Command { std: "docker" "start" "-a" "5b0519db00a7107701a2879a9bb96ecc5367b14f00caeab92fa15a7131c7d1b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b0519db00a7107701a2879a9bb96ecc5367b14f00caeab92fa15a7131c7d1b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b0519db00a7107701a2879a9bb96ecc5367b14f00caeab92fa15a7131c7d1b3", kill_on_drop: false }`
[INFO] [stdout] 5b0519db00a7107701a2879a9bb96ecc5367b14f00caeab92fa15a7131c7d1b3
[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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+45b14c26f76a39a9945ef8518d3276f1bc880008" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33fcb4257dcc3a64eeb87a39f1f8fa2cc5a0f844e26552b4a40cd786278a22d1
[INFO] running `Command { std: "docker" "start" "-a" "33fcb4257dcc3a64eeb87a39f1f8fa2cc5a0f844e26552b4a40cd786278a22d1", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.164
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking json v0.11.15
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]     Checking backtrace v0.3.68
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking publicsuffix v1.5.6
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking serde v1.0.164
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking serde_json v1.0.99
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[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: 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/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` 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: 1 warning emitted
[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/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.52s
[INFO] running `Command { std: "docker" "inspect" "33fcb4257dcc3a64eeb87a39f1f8fa2cc5a0f844e26552b4a40cd786278a22d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33fcb4257dcc3a64eeb87a39f1f8fa2cc5a0f844e26552b4a40cd786278a22d1", kill_on_drop: false }`
[INFO] [stdout] 33fcb4257dcc3a64eeb87a39f1f8fa2cc5a0f844e26552b4a40cd786278a22d1