[INFO] fetching crate lexicon 0.1.2...
[INFO] checking lexicon-0.1.2 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate lexicon 0.1.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate lexicon 0.1.2 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lexicon 0.1.2
[INFO] finished tweaking crates.io crate lexicon 0.1.2
[INFO] tweaked toml for crates.io crate lexicon 0.1.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate lexicon 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b2d63f2c7e475d53d1e2159a3d916e0eb9897fdee328a70db60873d5585d034
[INFO] running `Command { std: "docker" "start" "-a" "3b2d63f2c7e475d53d1e2159a3d916e0eb9897fdee328a70db60873d5585d034", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b2d63f2c7e475d53d1e2159a3d916e0eb9897fdee328a70db60873d5585d034", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b2d63f2c7e475d53d1e2159a3d916e0eb9897fdee328a70db60873d5585d034", kill_on_drop: false }`
[INFO] [stdout] 3b2d63f2c7e475d53d1e2159a3d916e0eb9897fdee328a70db60873d5585d034
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7aa49140639acaa9a1794d2bef69805e54bd2168dbed220d6646bbd0cf046404
[INFO] running `Command { std: "docker" "start" "-a" "7aa49140639acaa9a1794d2bef69805e54bd2168dbed220d6646bbd0cf046404", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking lexicon v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated items `get_term` and `get` are never used
[INFO] [stdout]   --> src/lex.rs:63:10
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl Lexicon {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 63 |   pub fn get_term(&self, name: String) -> Option<&Term> {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |   pub fn get() -> Lexicon {
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get` is never used
[INFO] [stdout]   --> src/lex.rs:79:10
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl Lexicon {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 79 |   pub fn get() -> Lexicon {
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.45s
[INFO] running `Command { std: "docker" "inspect" "7aa49140639acaa9a1794d2bef69805e54bd2168dbed220d6646bbd0cf046404", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aa49140639acaa9a1794d2bef69805e54bd2168dbed220d6646bbd0cf046404", kill_on_drop: false }`
[INFO] [stdout] 7aa49140639acaa9a1794d2bef69805e54bd2168dbed220d6646bbd0cf046404
[INFO] checking lexicon-0.1.2 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate lexicon 0.1.2 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate lexicon 0.1.2 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lexicon 0.1.2
[INFO] finished tweaking crates.io crate lexicon 0.1.2
[INFO] tweaked toml for crates.io crate lexicon 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate lexicon 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98c85021af3a04ab721da2575a1f1363eab818bdb6b5fdc1820093647a4f421b
[INFO] running `Command { std: "docker" "start" "-a" "98c85021af3a04ab721da2575a1f1363eab818bdb6b5fdc1820093647a4f421b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98c85021af3a04ab721da2575a1f1363eab818bdb6b5fdc1820093647a4f421b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98c85021af3a04ab721da2575a1f1363eab818bdb6b5fdc1820093647a4f421b", kill_on_drop: false }`
[INFO] [stdout] 98c85021af3a04ab721da2575a1f1363eab818bdb6b5fdc1820093647a4f421b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 409b2700215ecdce87dabef05e37f453c84eade3d44d41294c92fb0baa1e8092
[INFO] running `Command { std: "docker" "start" "-a" "409b2700215ecdce87dabef05e37f453c84eade3d44d41294c92fb0baa1e8092", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking lexicon v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated items `get_term` and `get` are never used
[INFO] [stdout]   --> src/lex.rs:63:10
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl Lexicon {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 63 |   pub fn get_term(&self, name: String) -> Option<&Term> {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |   pub fn get() -> Lexicon {
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get` is never used
[INFO] [stdout]   --> src/lex.rs:79:10
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl Lexicon {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 79 |   pub fn get() -> Lexicon {
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.99s
[INFO] running `Command { std: "docker" "inspect" "409b2700215ecdce87dabef05e37f453c84eade3d44d41294c92fb0baa1e8092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "409b2700215ecdce87dabef05e37f453c84eade3d44d41294c92fb0baa1e8092", kill_on_drop: false }`
[INFO] [stdout] 409b2700215ecdce87dabef05e37f453c84eade3d44d41294c92fb0baa1e8092