[INFO] fetching crate esvm 0.0.1...
[INFO] checking esvm-0.0.1 against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] extracting crate esvm 0.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate esvm 0.0.1 on toolchain c9228570668803e3e6402770d55f23a12c9ae686
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate esvm 0.0.1
[INFO] finished tweaking crates.io crate esvm 0.0.1
[INFO] tweaked toml for crates.io crate esvm 0.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8760affe1afdc74032791bd69871c7a3ce938cecd171c8ecaf2ed52f13aea35
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b8760affe1afdc74032791bd69871c7a3ce938cecd171c8ecaf2ed52f13aea35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8760affe1afdc74032791bd69871c7a3ce938cecd171c8ecaf2ed52f13aea35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8760affe1afdc74032791bd69871c7a3ce938cecd171c8ecaf2ed52f13aea35", kill_on_drop: false }`
[INFO] [stdout] b8760affe1afdc74032791bd69871c7a3ce938cecd171c8ecaf2ed52f13aea35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09dc7b13c09d1e6c982f3170f789cf353295f48ad32c0b6db8bdbf0c768f4e82
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "09dc7b13c09d1e6c982f3170f789cf353295f48ad32c0b6db8bdbf0c768f4e82", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling heapsize v0.3.9
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking byte-tools v0.1.3
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling secp256k1 v0.6.3
[INFO] [stderr]     Checking generic-array v0.7.3
[INFO] [stderr]     Checking digest-buffer v0.3.1
[INFO] [stderr]     Checking digest v0.5.2
[INFO] [stderr]     Checking sha2 v0.5.3
[INFO] [stderr]     Checking ripemd160 v0.5.2
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking elastic-array v0.7.0
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking esvm-rlp v0.0.1
[INFO] [stderr]     Checking esvm-bigint v0.0.1
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking serde v0.6.15
[INFO] [stderr]     Checking serde_json v0.6.1
[INFO] [stderr]     Checking esvm v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `cgas` is never read
[INFO] [stdout]    --> src/vm/transaction.rs:229:13
[INFO] [stdout]     |
[INFO] [stdout] 229 |         let mut cgas: Option<Gas> = None;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ccontext` is never read
[INFO] [stdout]    --> src/vm/transaction.rs:230:13
[INFO] [stdout]     |
[INFO] [stdout] 230 |         let mut ccontext: Option<Context> = None;
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cblock` is never read
[INFO] [stdout]    --> src/vm/transaction.rs:231:13
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let mut cblock: Option<BlockHeader> = None;
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cpatch` is never read
[INFO] [stdout]    --> src/vm/transaction.rs:232:13
[INFO] [stdout]     |
[INFO] [stdout] 232 |         let mut cpatch: Option<&'static Patch> = None;
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `caccount_state` is never read
[INFO] [stdout]    --> src/vm/transaction.rs:233:13
[INFO] [stdout]     |
[INFO] [stdout] 233 |         let mut caccount_state: Option<AccountState> = None;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cblockhash_state` is never read
[INFO] [stdout]    --> src/vm/transaction.rs:234:13
[INFO] [stdout]     |
[INFO] [stdout] 234 |         let mut cblockhash_state: Option<BlockhashState> = None;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ccode_deposit` is never read
[INFO] [stdout]    --> src/vm/transaction.rs:235:13
[INFO] [stdout]     |
[INFO] [stdout] 235 |         let mut ccode_deposit: Option<bool> = None;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cgas` is never read
[INFO] [stdout]    --> src/vm/transaction.rs:229:13
[INFO] [stdout]     |
[INFO] [stdout] 229 |         let mut cgas: Option<Gas> = None;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ccontext` is never read
[INFO] [stdout]    --> src/vm/transaction.rs:230:13
[INFO] [stdout]     |
[INFO] [stdout] 230 |         let mut ccontext: Option<Context> = None;
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cblock` is never read
[INFO] [stdout]    --> src/vm/transaction.rs:231:13
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let mut cblock: Option<BlockHeader> = None;
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cpatch` is never read
[INFO] [stdout]    --> src/vm/transaction.rs:232:13
[INFO] [stdout]     |
[INFO] [stdout] 232 |         let mut cpatch: Option<&'static Patch> = None;
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `caccount_state` is never read
[INFO] [stdout]    --> src/vm/transaction.rs:233:13
[INFO] [stdout]     |
[INFO] [stdout] 233 |         let mut caccount_state: Option<AccountState> = None;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cblockhash_state` is never read
[INFO] [stdout]    --> src/vm/transaction.rs:234:13
[INFO] [stdout]     |
[INFO] [stdout] 234 |         let mut cblockhash_state: Option<BlockhashState> = None;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ccode_deposit` is never read
[INFO] [stdout]    --> src/vm/transaction.rs:235:13
[INFO] [stdout]     |
[INFO] [stdout] 235 |         let mut ccode_deposit: Option<bool> = None;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `l64`
[INFO] [stdout]  --> src/vm/eval/utils.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn l64(gas: Gas) -> Gas {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `l64`
[INFO] [stdout]  --> src/vm/eval/utils.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn l64(gas: Gas) -> Gas {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.51s
[INFO] running `Command { std: "docker" "inspect" "09dc7b13c09d1e6c982f3170f789cf353295f48ad32c0b6db8bdbf0c768f4e82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09dc7b13c09d1e6c982f3170f789cf353295f48ad32c0b6db8bdbf0c768f4e82", kill_on_drop: false }`
[INFO] [stdout] 09dc7b13c09d1e6c982f3170f789cf353295f48ad32c0b6db8bdbf0c768f4e82