[INFO] fetching crate emote-psb 0.5.0...
[INFO] checking emote-psb-0.5.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate emote-psb 0.5.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate emote-psb 0.5.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate emote-psb 0.5.0
[INFO] finished tweaking crates.io crate emote-psb 0.5.0
[INFO] tweaked toml for crates.io crate emote-psb 0.5.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 22 packages
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71927eac13f92169b5553c46e35f906512363134fda743cad23ada34d0629921
[INFO] running `Command { std: "docker" "start" "-a" "71927eac13f92169b5553c46e35f906512363134fda743cad23ada34d0629921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71927eac13f92169b5553c46e35f906512363134fda743cad23ada34d0629921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71927eac13f92169b5553c46e35f906512363134fda743cad23ada34d0629921", kill_on_drop: false }`
[INFO] [stdout] 71927eac13f92169b5553c46e35f906512363134fda743cad23ada34d0629921
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cacf94df0a05ce2590ccda9e68f285802c01e6ae4d248c23ddccbfcfffc959a9
[INFO] running `Command { std: "docker" "start" "-a" "cacf94df0a05ce2590ccda9e68f285802c01e6ae4d248c23ddccbfcfffc959a9", kill_on_drop: false }`
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking emote-psb v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated functions `new` and `new_emote` are never used
[INFO] [stdout]   --> src/internal.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl<T> XorShiftStream<T> {
[INFO] [stdout]    | ------------------------- associated functions in this implementation
[INFO] [stdout] 60 |
[INFO] [stdout] 61 |     pub fn new(stream: T, seeds: [u32; 4]) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     pub fn new_emote(stream: T, key: u32) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `new_emote` are never used
[INFO] [stdout]   --> src/internal.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl<T> XorShiftStream<T> {
[INFO] [stdout]    | ------------------------- associated functions in this implementation
[INFO] [stdout] 60 |
[INFO] [stdout] 61 |     pub fn new(stream: T, seeds: [u32; 4]) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     pub fn new_emote(stream: T, key: u32) -> Self {
[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 1.75s
[INFO] running `Command { std: "docker" "inspect" "cacf94df0a05ce2590ccda9e68f285802c01e6ae4d248c23ddccbfcfffc959a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cacf94df0a05ce2590ccda9e68f285802c01e6ae4d248c23ddccbfcfffc959a9", kill_on_drop: false }`
[INFO] [stdout] cacf94df0a05ce2590ccda9e68f285802c01e6ae4d248c23ddccbfcfffc959a9
[INFO] checking emote-psb-0.5.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate emote-psb 0.5.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate emote-psb 0.5.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate emote-psb 0.5.0
[INFO] finished tweaking crates.io crate emote-psb 0.5.0
[INFO] tweaked toml for crates.io crate emote-psb 0.5.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f18ad886cc33da74b2d1f6480e7eda2006bce23a24b71c6a8452bd938ee47c14
[INFO] running `Command { std: "docker" "start" "-a" "f18ad886cc33da74b2d1f6480e7eda2006bce23a24b71c6a8452bd938ee47c14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f18ad886cc33da74b2d1f6480e7eda2006bce23a24b71c6a8452bd938ee47c14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f18ad886cc33da74b2d1f6480e7eda2006bce23a24b71c6a8452bd938ee47c14", kill_on_drop: false }`
[INFO] [stdout] f18ad886cc33da74b2d1f6480e7eda2006bce23a24b71c6a8452bd938ee47c14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60a15c05682063731a4765e51667a636025fc6086192277ce9a273e07c444f0d
[INFO] running `Command { std: "docker" "start" "-a" "60a15c05682063731a4765e51667a636025fc6086192277ce9a273e07c444f0d", kill_on_drop: false }`
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking emote-psb v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated functions `new` and `new_emote` are never used
[INFO] [stdout]   --> src/internal.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl<T> XorShiftStream<T> {
[INFO] [stdout]    | ------------------------- associated functions in this implementation
[INFO] [stdout] 60 |
[INFO] [stdout] 61 |     pub fn new(stream: T, seeds: [u32; 4]) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     pub fn new_emote(stream: T, key: u32) -> Self {
[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 functions `new` and `new_emote` are never used
[INFO] [stdout]   --> src/internal.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl<T> XorShiftStream<T> {
[INFO] [stdout]    | ------------------------- associated functions in this implementation
[INFO] [stdout] 60 |
[INFO] [stdout] 61 |     pub fn new(stream: T, seeds: [u32; 4]) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     pub fn new_emote(stream: T, key: u32) -> Self {
[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 1.97s
[INFO] running `Command { std: "docker" "inspect" "60a15c05682063731a4765e51667a636025fc6086192277ce9a273e07c444f0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60a15c05682063731a4765e51667a636025fc6086192277ce9a273e07c444f0d", kill_on_drop: false }`
[INFO] [stdout] 60a15c05682063731a4765e51667a636025fc6086192277ce9a273e07c444f0d