[INFO] fetching crate ctrem 0.1.4...
[INFO] testing ctrem-0.1.4 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate ctrem 0.1.4 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate ctrem 0.1.4
[INFO] finished tweaking crates.io crate ctrem 0.1.4
[INFO] tweaked toml for crates.io crate ctrem 0.1.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ctrem 0.1.4 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ctrem 0.1.4 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6efe2094b5d29a2b782362635555d853e5607ff5c6221bbd3ab96ccd269f166
[INFO] running `Command { std: "docker" "start" "-a" "f6efe2094b5d29a2b782362635555d853e5607ff5c6221bbd3ab96ccd269f166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6efe2094b5d29a2b782362635555d853e5607ff5c6221bbd3ab96ccd269f166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6efe2094b5d29a2b782362635555d853e5607ff5c6221bbd3ab96ccd269f166", kill_on_drop: false }`
[INFO] [stdout] f6efe2094b5d29a2b782362635555d853e5607ff5c6221bbd3ab96ccd269f166
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 9a84cf28eb40639d94bd4d174c8ad72332ab8bb5fd9d81586850b02e0b0f58bf
[INFO] running `Command { std: "docker" "start" "-a" "9a84cf28eb40639d94bd4d174c8ad72332ab8bb5fd9d81586850b02e0b0f58bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling ctrem v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `cformat`
[INFO] [stdout]    --> src/lib.rs:166:14
[INFO] [stdout]     |
[INFO] [stdout] 166 | macro_rules! cformat {
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `cprint`
[INFO] [stdout]    --> src/lib.rs:172:14
[INFO] [stdout]     |
[INFO] [stdout] 172 | macro_rules! cprint {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `cprintln`
[INFO] [stdout]    --> src/lib.rs:178:14
[INFO] [stdout]     |
[INFO] [stdout] 178 | macro_rules! cprintln {
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cprint` is never used
[INFO] [stdout]    --> src/lib.rs:288:8
[INFO] [stdout]     |
[INFO] [stdout] 288 | pub fn cprint(val: &str) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cprintln` is never used
[INFO] [stdout]    --> src/lib.rs:304:8
[INFO] [stdout]     |
[INFO] [stdout] 304 | pub fn cprintln(val: &str) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.39s
[INFO] running `Command { std: "docker" "inspect" "9a84cf28eb40639d94bd4d174c8ad72332ab8bb5fd9d81586850b02e0b0f58bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a84cf28eb40639d94bd4d174c8ad72332ab8bb5fd9d81586850b02e0b0f58bf", kill_on_drop: false }`
[INFO] [stdout] 9a84cf28eb40639d94bd4d174c8ad72332ab8bb5fd9d81586850b02e0b0f58bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 4264ee5a490d174302c7ee0d7d5863ce38d52f489ece0d764662636dc729eee8
[INFO] running `Command { std: "docker" "start" "-a" "4264ee5a490d174302c7ee0d7d5863ce38d52f489ece0d764662636dc729eee8", kill_on_drop: false }`
[INFO] [stdout] warning: unused macro definition: `cformat`
[INFO] [stdout]    --> src/lib.rs:166:14
[INFO] [stdout]     |
[INFO] [stdout] 166 | macro_rules! cformat {
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `cprint`
[INFO] [stdout]    --> src/lib.rs:172:14
[INFO] [stdout]     |
[INFO] [stdout] 172 | macro_rules! cprint {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ctrem v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `cprintln`
[INFO] [stdout]    --> src/lib.rs:178:14
[INFO] [stdout]     |
[INFO] [stdout] 178 | macro_rules! cprintln {
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `cformat`
[INFO] [stdout]    --> src/lib.rs:166:14
[INFO] [stdout]     |
[INFO] [stdout] 166 | macro_rules! cformat {
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `cprint`
[INFO] [stdout]    --> src/lib.rs:172:14
[INFO] [stdout]     |
[INFO] [stdout] 172 | macro_rules! cprint {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `cprintln`
[INFO] [stdout]    --> src/lib.rs:178:14
[INFO] [stdout]     |
[INFO] [stdout] 178 | macro_rules! cprintln {
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cprint` is never used
[INFO] [stdout]    --> src/lib.rs:288:8
[INFO] [stdout]     |
[INFO] [stdout] 288 | pub fn cprint(val: &str) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cprintln` is never used
[INFO] [stdout]    --> src/lib.rs:304:8
[INFO] [stdout]     |
[INFO] [stdout] 304 | pub fn cprintln(val: &str) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "4264ee5a490d174302c7ee0d7d5863ce38d52f489ece0d764662636dc729eee8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4264ee5a490d174302c7ee0d7d5863ce38d52f489ece0d764662636dc729eee8", kill_on_drop: false }`
[INFO] [stdout] 4264ee5a490d174302c7ee0d7d5863ce38d52f489ece0d764662636dc729eee8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 3ce69ec548dd31ccf6f4499aed5cfaa60c5afe2987f021d5910df3fcf45a3520
[INFO] running `Command { std: "docker" "start" "-a" "3ce69ec548dd31ccf6f4499aed5cfaa60c5afe2987f021d5910df3fcf45a3520", kill_on_drop: false }`
[INFO] [stderr] warning: unused macro definition: `cformat`
[INFO] [stderr]    --> src/lib.rs:166:14
[INFO] [stderr]     |
[INFO] [stderr] 166 | macro_rules! cformat {
[INFO] [stderr]     |              ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition: `cprint`
[INFO] [stderr]    --> src/lib.rs:172:14
[INFO] [stderr]     |
[INFO] [stderr] 172 | macro_rules! cprint {
[INFO] [stderr]     |              ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition: `cprintln`
[INFO] [stderr]    --> src/lib.rs:178:14
[INFO] [stderr]     |
[INFO] [stderr] 178 | macro_rules! cprintln {
[INFO] [stderr]     |              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ctrem` (lib) generated 3 warnings
[INFO] [stderr] warning: `ctrem` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr] warning: found module declaration for lib.rs
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | mod lib;
[INFO] [stderr]   | ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: lib.rs is the root of this crate's library target
[INFO] [stderr]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stderr]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `cprint` is never used
[INFO] [stderr]    --> src/lib.rs:288:8
[INFO] [stderr]     |
[INFO] [stderr] 288 | pub fn cprint(val: &str) {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `cprintln` is never used
[INFO] [stderr]    --> src/lib.rs:304:8
[INFO] [stderr]     |
[INFO] [stderr] 304 | pub fn cprintln(val: &str) {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ctrem` (bin "ctrem" test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/ctrem-18efc097ee1e7c92)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/ctrem-e9260e0df610de9f)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3ce69ec548dd31ccf6f4499aed5cfaa60c5afe2987f021d5910df3fcf45a3520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ce69ec548dd31ccf6f4499aed5cfaa60c5afe2987f021d5910df3fcf45a3520", kill_on_drop: false }`
[INFO] [stdout] 3ce69ec548dd31ccf6f4499aed5cfaa60c5afe2987f021d5910df3fcf45a3520