[INFO] crate emissary 0.1.0 is already in cache
[INFO] extracting crate emissary 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/emissary/0.1.0
[INFO] extracting crate emissary 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/emissary/0.1.0
[INFO] validating manifest of emissary-0.1.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of emissary-0.1.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing emissary-0.1.0
[INFO] finished frobbing emissary-0.1.0
[INFO] frobbed toml for emissary-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/emissary/0.1.0/Cargo.toml
[INFO] started frobbing emissary-0.1.0
[INFO] finished frobbing emissary-0.1.0
[INFO] frobbed toml for emissary-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/emissary/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing emissary-0.1.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/emissary/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 221b320c37645426a6a57ba8974e1d6c6bb6729fce7abf80a1760c9a6b036a34
[INFO] running `"docker" "start" "-a" "221b320c37645426a6a57ba8974e1d6c6bb6729fce7abf80a1760c9a6b036a34"`
[INFO] [stderr]    Compiling serde_test v1.0.99
[INFO] [stderr]    Compiling emissary v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::vec::Vec`
[INFO] [stderr]   --> src/emissary.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::vec::Vec;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde::*`
[INFO] [stderr]   --> src/emissary.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use serde::*;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `emissary`
[INFO] [stderr]  --> src/test.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use emissary;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stderr]  --> src/test.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 | use serde::{Serialize, Deserialize};
[INFO] [stderr]   |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.56s
[INFO] running `"docker" "inspect" "221b320c37645426a6a57ba8974e1d6c6bb6729fce7abf80a1760c9a6b036a34"`
[INFO] running `"docker" "rm" "-f" "221b320c37645426a6a57ba8974e1d6c6bb6729fce7abf80a1760c9a6b036a34"`
[INFO] [stdout] 221b320c37645426a6a57ba8974e1d6c6bb6729fce7abf80a1760c9a6b036a34
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/emissary/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] ec8f14d93367b883a06b58f4b96a4a66c22a9a31b443d32dd696dc365a51d081
[INFO] running `"docker" "start" "-a" "ec8f14d93367b883a06b58f4b96a4a66c22a9a31b443d32dd696dc365a51d081"`
[INFO] [stderr]    Compiling emissary v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::vec::Vec`
[INFO] [stderr]   --> src/emissary.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::vec::Vec;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde::*`
[INFO] [stderr]   --> src/emissary.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use serde::*;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stderr]  --> src/test.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 | use serde::{Serialize, Deserialize};
[INFO] [stderr]   |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `"docker" "inspect" "ec8f14d93367b883a06b58f4b96a4a66c22a9a31b443d32dd696dc365a51d081"`
[INFO] running `"docker" "rm" "-f" "ec8f14d93367b883a06b58f4b96a4a66c22a9a31b443d32dd696dc365a51d081"`
[INFO] [stdout] ec8f14d93367b883a06b58f4b96a4a66c22a9a31b443d32dd696dc365a51d081
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/emissary/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 9b48952107168ab90d62ce77a81c4c63777d86325aa25de16e8c851f913f52d5
[INFO] running `"docker" "start" "-a" "9b48952107168ab90d62ce77a81c4c63777d86325aa25de16e8c851f913f52d5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/emissary-a170e9e6ebe88fb3
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::test_emissary ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests emissary
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9b48952107168ab90d62ce77a81c4c63777d86325aa25de16e8c851f913f52d5"`
[INFO] running `"docker" "rm" "-f" "9b48952107168ab90d62ce77a81c4c63777d86325aa25de16e8c851f913f52d5"`
[INFO] [stdout] 9b48952107168ab90d62ce77a81c4c63777d86325aa25de16e8c851f913f52d5