[INFO] fetching crate noco 0.1.5...
[INFO] testing noco-0.1.5 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate noco 0.1.5 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate noco 0.1.5
[INFO] finished tweaking crates.io crate noco 0.1.5
[INFO] tweaked toml for crates.io crate noco 0.1.5 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate noco 0.1.5 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a360992e5aa2a927dbee40fb323d2c3a45aee3c21fbad1eb950c38a787ccdfa
[INFO] running `Command { std: "docker" "start" "-a" "1a360992e5aa2a927dbee40fb323d2c3a45aee3c21fbad1eb950c38a787ccdfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a360992e5aa2a927dbee40fb323d2c3a45aee3c21fbad1eb950c38a787ccdfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a360992e5aa2a927dbee40fb323d2c3a45aee3c21fbad1eb950c38a787ccdfa", kill_on_drop: false }`
[INFO] [stdout] 1a360992e5aa2a927dbee40fb323d2c3a45aee3c21fbad1eb950c38a787ccdfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea0d340405e148af6f4a98d318c72c956765b70a7965127a4e7ebdd70de2d87d
[INFO] running `Command { std: "docker" "start" "-a" "ea0d340405e148af6f4a98d318c72c956765b70a7965127a4e7ebdd70de2d87d", kill_on_drop: false }`
[INFO] [stderr]    Compiling noco v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/macro_lib.rs:253:59
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub fn error_span<T: Into<String>>(&mut self, msg: T, span: Span) -> &mut Self {
[INFO] [stdout]     |                                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tt`
[INFO] [stdout]    --> src/macro_lib.rs:260:34
[INFO] [stdout]     |
[INFO] [stdout] 260 |     pub fn unexpected(&mut self, tt: TokenTree) -> &mut Self {
[INFO] [stdout]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_tt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "ea0d340405e148af6f4a98d318c72c956765b70a7965127a4e7ebdd70de2d87d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea0d340405e148af6f4a98d318c72c956765b70a7965127a4e7ebdd70de2d87d", kill_on_drop: false }`
[INFO] [stdout] ea0d340405e148af6f4a98d318c72c956765b70a7965127a4e7ebdd70de2d87d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a20b3b1d7814e69419e07d9bea97fd2e321bf8645f236f59df0a0aa563e6bf9e
[INFO] running `Command { std: "docker" "start" "-a" "a20b3b1d7814e69419e07d9bea97fd2e321bf8645f236f59df0a0aa563e6bf9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling noco v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/macro_lib.rs:253:59
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub fn error_span<T: Into<String>>(&mut self, msg: T, span: Span) -> &mut Self {
[INFO] [stdout]     |                                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tt`
[INFO] [stdout]    --> src/macro_lib.rs:260:34
[INFO] [stdout]     |
[INFO] [stdout] 260 |     pub fn unexpected(&mut self, tt: TokenTree) -> &mut Self {
[INFO] [stdout]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_tt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/macro_lib.rs:253:59
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub fn error_span<T: Into<String>>(&mut self, msg: T, span: Span) -> &mut Self {
[INFO] [stdout]     |                                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tt`
[INFO] [stdout]    --> src/macro_lib.rs:260:34
[INFO] [stdout]     |
[INFO] [stdout] 260 |     pub fn unexpected(&mut self, tt: TokenTree) -> &mut Self {
[INFO] [stdout]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_tt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "a20b3b1d7814e69419e07d9bea97fd2e321bf8645f236f59df0a0aa563e6bf9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a20b3b1d7814e69419e07d9bea97fd2e321bf8645f236f59df0a0aa563e6bf9e", kill_on_drop: false }`
[INFO] [stdout] a20b3b1d7814e69419e07d9bea97fd2e321bf8645f236f59df0a0aa563e6bf9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bbf7ddf163b0d9ebaf52389a7d0097d444b62be1c4ad6a55a54603fff50e31c2
[INFO] running `Command { std: "docker" "start" "-a" "bbf7ddf163b0d9ebaf52389a7d0097d444b62be1c4ad6a55a54603fff50e31c2", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `span`
[INFO] [stderr]    --> src/macro_lib.rs:253:59
[INFO] [stderr]     |
[INFO] [stderr] 253 |     pub fn error_span<T: Into<String>>(&mut self, msg: T, span: Span) -> &mut Self {
[INFO] [stderr]     |                                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tt`
[INFO] [stderr]    --> src/macro_lib.rs:260:34
[INFO] [stderr]     |
[INFO] [stderr] 260 |     pub fn unexpected(&mut self, tt: TokenTree) -> &mut Self {
[INFO] [stderr]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_tt`
[INFO] [stderr] 
[INFO] [stderr] warning: `noco` (lib) generated 2 warnings
[INFO] [stderr] warning: `noco` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/noco-410c23ad5e89f23a)
[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]    Doc-tests noco
[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" "bbf7ddf163b0d9ebaf52389a7d0097d444b62be1c4ad6a55a54603fff50e31c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbf7ddf163b0d9ebaf52389a7d0097d444b62be1c4ad6a55a54603fff50e31c2", kill_on_drop: false }`
[INFO] [stdout] bbf7ddf163b0d9ebaf52389a7d0097d444b62be1c4ad6a55a54603fff50e31c2